LongTerm Capitalized Costs [Abstract] Long-term Capitalized Costs Capitalized Costs Long Term Recognized as Cost of Sales Long-term capitalized costs being recognized as cost of sales Represents the cost that is recognized as a cost of sales based upon the ratio of revenue recorded during the period compared to the revenue expected to be recognized over the term of the contract. Schedule of Impact of Restatement Adjustments on Consolidated Retained Earnings [Table Text Block] Summary of impacts of the restatement adjustments on the Company's previously reported consolidated retained earnings Tabular disclosure of impacts of the restatement adjustments on the entity's previously reported consolidated retained earnings. Schedule of Impact of Restatement Adjustments on Consolidated Net Income [Table Text Block] Summary of impacts of the restatement adjustments on the Company's previously reported consolidated net income Tabular disclosure of impacts of the restatement adjustments on the entity's previously reported consolidated net income. Number of Revenue Recognition Related Errors Number of revenue recognition related errors Represents the number of revenue recognition related errors. Number of Contracts for which There was Revenue Recognition Related Errors Number of contracts regarding which there was revenue recognition related errors Represents the number of contracts in which there was revenue recognition related errors. Share Based Compensation Arrangement by Share Based Payment Award Other than Options Number of Vesting Criterias which has to be Satisfied Out of Total Vesting Criterias Number of vesting criteria's which has to be satisfied out of total vesting criteria's Represents the number of vesting criteria's which has to be satisfied out of total vesting criteria's for vesting of other than stock (or unit) option. Represents the number of vesting criteria's for other than stock (or unit) option. Share Based Compensation Arrangement by Share Based Payment Award Other than Options Number of Vesting Criterias Number of vesting criteria's Number of Employees Alleged for Loss of Revenue Due to Inappropriate and Illegal Actions Number of employees alleged for loss of revenue due to inappropriate and illegal actions Represents the number of employees alleged for loss of revenue due to inappropriate and illegal actions. Acquired Technology [Member] Technology Represents information pertaining to the acquired technology. Amendment Description Net Income Per Share [Table] Discloses information pertaining to net income per share. Amendment Flag Performance Based Restricted Stock Units RSU [Member] Performance-based RSUs Represents information pertaining to the performance-based restricted stock units under the long-term equity incentive award program. Net Income Per Share [Line Items] Net Income Per Share Australia AUSTRALIA Commitments Commitment [Line Items] Investment [Axis] Share Based Compensation Arrangement by Share Based Payment Award, Percentage of Sales Growth Achievement Considered for Vesting Percentage of sales growth achievement considered for vesting Represents the percentage of sales growth achievement considered for vesting of share-based payment awards. Investment [Domain] Share Based Compensation Arrangement by Share Based Payment Award, Percentage of Return on Equity Achievement Considered for Vesting Percentage of return on equity achievement considered for vesting Represents the percentage of return on equity achievement considered for vesting of share-based payment awards. Represents the number of shares of common stock, the fair value of which is determined. Share Based Compensation Arrangement by Share Based Payment Award, Fair Market Value of Number of Shares of Common Stock Number of shares of common stock, the fair value of which is determined Share Based Compensation Arrangement by Share Based Payment Award, Estimated Forfeiture Rate Estimated forfeiture rate (as a percent) Represents the estimated forfeiture rate of share-based compensation awards. Represents the number of estimates, a change in which could have a material effect on financial position or results of operations. Minimum Number of Estimates Change in which could have Material Effect on Financial Statements Number of estimates, a change in which could have material effect on financial position or results of operations Number of transportation systems service contracts, which contain annual system usage incentives Represents the number of transportation systems service contracts, which contain annual system usage incentives. Number of Transportation Systems Service Contracts which Contain Annual System Usage Incentives Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed Current Assets Receivables Billed Accounts receivable - billed Amount due from customers or clients for goods or services, including trade receivables, which are billed and that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed Current Assets Receivables Unbilled Amount due from customers or clients for goods or services, including trade receivables, which are unbilled and that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. Accounts receivable - unbilled Abraxas Corporation Represents the information pertaining to Abraxas Corporation, a Herndon, Virginia-based company that was acquired by the entity. Abraxas Corporation [Member] NEK Special Programs Group LLC [Member] NEK Special Programs Group LLC (NEK) Represents information pertaining to NEK Special Programs Group LLC that was acquired by the entity. NEK Next Bus Next Bus Inc [Member] NextBus, Inc. Represents information pertaining to NextBus Inc. that was acquired by the entity. Foreign currency translation Foreign currency translation adjustments Accumulated Other Comprehensive Income (Loss) Foreign Currency Translation Adjustments before Tax Accumulated pretax adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses. The amount of acquisition cost of a business combination allocated to income tax payable for acquired entities. Income taxes payable Business Acquisition, Purchase Price Allocation Income Tax Payable Current Fiscal Year End Date Award Type [Axis] Recoverable income taxes Business Combination, Recognized Identifiable Assets Acquired Goodwill and Liabilities Assumed Income Tax Receivable The amount of acquisition cost of a business combination allocated to income tax receivable or recoverable for acquired entities. Changes in Projected Benefit Obligation and Fair Value of Plan Assets and Funded Status [Abstract] Changes in the projected benefit obligation and fair value of plan assets and the funded status Claim from public transit authority customer Represents the claim from a public transit authority customer for incurring loss of transit revenue due to the inappropriate and allegedly illegal actions of former employees. Claim from Public Transit Authority Customer [Member] Commercial customers Represents commercial customers. Commercial Customer [Member] Contract and Program Intangibles [Member] Contract and program intangibles An intangible asset acquired in a business combination or other transaction representing contract and program intangibles. Costs Incurred Outside Scope of Work or in Advance on Several Contacts Costs incurred outside the scope of work or in advance of a contract award Represents costs incurred outside the scope of work on several contacts or in advance of a contract award included in work in process and inventoried costs under long-term contracts. Disclosure of the accounting policy for customer advances received by the entity. Customer Advances Customer Advances [Policy Text Block] Long Term Capitalized Costs [Policy Text Block] Long-term capitalized contract costs Disclosure of accounting policy for long-term capitalized costs incurred on a contract to develop and manufacture a transportation fare system. Debt Instrument, Covenant Consolidated Retained Earnings Available Represents the amount of consolidated retained earnings at the end of the period which is available for the payment of dividends to shareholders, purchases of common stock and other charges to shareholders' equity. Consolidated retained earnings available Debt Instrument, Period for Issuance Period for issuance of additional senior notes Represents the period for issuance of debt instrument as defined by the agreement. Represents Defense Systems, a business segment of the entity that performs work under U.S. and foreign government contracts relating to electronic defense systems and equipment. Defense Systems Defense Systems [Member] CDS Document Period End Date Represents the interest rate adjustment on deferred compensation done semi-annually. Deferred Compensation Arrangement with Individual Interest Rate Adjustment Semi Annual on Deferred Compensation Interest rate adjustment semi-annually (as a percent) Canada CANADA Deferred Compensation Arrangement with Individual, Minimum Term of Deferral for Receiving Payment Minimum period in which members of management may elect to defer receiving payment for a portion of their compensation Represents the number of years for which members of the management can defer receiving payment under the defined contribution plan. Deferred Tax Assets, Long Term Contracts and Inventory Valuation Reductions The tax effect as of the balance sheet date of the amount of the estimated future tax deductions attributable to long-term contracts and inventory valuation reductions which can only be realized if sufficient taxable income is generated in future periods to enable the deduction to be taken. Long-term contracts and inventory valuation reductions Deferred Tax Liabilities State Taxes The amount as of the balance sheet date of the estimated future tax effects attributable to state taxes. State taxes Administrative expenses Defined Benefit Plan, Administrative Expenses Plan Assets Represents the change in the fair value of plan assets due to administrative expenses. Defined Benefit Plan, Amortization of Net Gains (Losses), Net of Tax The net of tax amounts in accumulated other comprehensive income related to gains and losses that are not recognized immediately and are expected to be recognized as components of net periodic benefit cost over the next fiscal year that follows the most recent annual statement of financial position presented. Unrecognized actuarial loss expected to be recognized in net pension cost over next fiscal year, net of tax Defined Benefit Plan, Approximate Percentage of European Employees Covered by Contributory Defined Benefit Pension Plan Benefits Frozen Represents the approximate percentage of European employees covered by a contributory defined benefit pension plan for which benefits were frozen. Number of European employees covered by contributory defined benefit pension plan for which benefits were frozen (as a percent) Notional Principal outstanding derivative instruments Derivative, Notional Amount Minimum discretionary contribution with Board of Directors Defined Contribution Plan, Minimum Contribution Discretionary with Board of Director Represents the minimum portion of contributions to defined contribution plans which are discretionary with Board of Directors. Document and Entity Information Represents the countries of the Far East. Far East Far East [Member] Commitment [Table] Schedule of commitments. Represents the aggregate foreign currency transaction gain (loss) on advances to foreign subsidiaries for the reporting period. Total transaction gains (losses) related primarily to advances to foreign subsidiaries Foreign Currency Transaction Gain (Loss) on Advances to Foreign Subsidiaries Foreign Currency Transaction Gain (Loss) on US Dollar Denominated Investments of Foreign Subsidiary Gain (loss) from change in exchange rates of U.S. dollar denominated investments of a wholly-owned subsidiary in the U.K Represents the gain (loss) from the impact of change in exchange rates on U.S. dollar denominated investments held by a wholly-owned foreign subsidiary. INVESTMENT IN VARIABLE INTEREST ENTITY Letters of Credit and Bank Guarantees [Member] Letters of credit and bank guarantees Represents outstanding letters of credit and bank guarantees which guarantee either the entity's performance or customer advances under certain contracts. Term under revolving credit or letter of agreement Line of Credit, Facility Term Represents the term of the line of credit facility. Represents the period prior to acquisition of the contract during which a former employee was allegedly committing illegal acts in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Loss Contingency, Period Prior to Acquisition of Contract During which Former Employee Committed Illegal Acts Period prior to acquisition of contract during which a former employee was committing illegal acts MSS and CDS Segments Represents Mission Support Services and Defense Systems members. Mission Support Services and Defense Systems [Member] Mission Support Services Represents Mission Support Services, a business segment of the entity that provides computer simulation training, development of training doctrine, live training support and field operations and maintenance services. Mission Support Services [Member] Represents mortgage note, which is a promissory note associated with a specified mortgage loan. Mortgages Note [Member] Mortgage notes Disclosure of accounting policy regarding the organization and nature of the business. Organization and Nature of the Business [Policy Text Block] Organization and Nature of the Business Other Adjustments [Member] Other Adjustments Represents information pertaining to other adjustments. Other Foreign Countries [Member] Other foreign countries Represents other foreign countries not listed separately. Other Income (Expense) [Policy Text Block] Disclosure of accounting policy for other income or expense. Other Income (Expense) Unsecured Notes Payable Interest Rate of 6.31 Percentage [Member] Unsecured notes payable to a group of insurance companies Unsecured notes payable to a group of insurance companies, interest fixed at 6.31%. Long-term contract receivables Receivables Long Term Contracts, Noncurrent Less estimated amounts not currently due Amount to be collected after one year from the balance sheet date (or beyond the operating cycle, if longer) from customers in accordance with the contractual provisions of long-term contracts or programs including amounts billed and unbilled as of the balance sheet date. Reclassifications [Member] Reclassifications Represents information pertaining to reclassifications. Restatement of Cash Flows [Abstract] Restatement of Cash Flows Restatement of Financial Position [Abstract] Restatement of Balance Sheet Revenue Recognition Adjustments [Member] Revenue Recognition Adjustments Represents information pertaining to revenue recognition adjustments. Reclassification [Abstract] Reclassification Risks and Uncertainties [Policy Text Block] Risks and Uncertainties Disclosure of accounting policy for risks and uncertainties. Sales to Transport for London Sales to Transport for London Total revenue from sale of goods and services to Transport for London (TfL) during the reporting period, in the normal course of business. Sales to US Government Agencies Sales to U.S. government agencies Total revenue from sale of goods and services to U.S. government agencies during the reporting period, in the normal course of business. Tabular disclosure of prior period adjustments to previously issued financial statements affecting the balance sheet. Schedule of Condensed Balance Sheet Restatement [Table Text Block] Schedule of restatement of balance sheet Schedule of restatement of retained earnings Schedule of Condensed Retained Earnings Restatement [Table Text Block] Tabular disclosure of prior period adjustments to previously issued financial statements affecting the retained earning. Schedule of restatement of cash flows Tabular disclosure of prior period adjustments to previously issued financial statements affecting the cash flow statement. Schedule of Condensed Cash Flow Restatement [Table Text Block] Tabular disclosure of prior period adjustments to previously issued financial statements affecting the income statement. Schedule of Condensed Income Restatement [Table Text Block] Schedule of restatement of income Schedule of Fair Value of Assets and Liabilities Acquired in Variable Interest Entities [Table Text Block] Schedule of fair value of assets and liabilities acquired Tabular disclosure of all of the fair values of the purchase price and assets and liabilities acquired in a variable interest entity. Schedule of Fair Value of Plan Assets by Asset Category by Hierarchy Levels [Table Text Block] Disclosure of the fair value of defined benefit plan assets by asset category and by level within the fair value hierarchy in which the fair value measurements fall, segregating the fair value measurements using quoted prices in active markets for identical assets or liabilities (level 1), significant other observable inputs (level 2) and significant unobservable inputs (level 3). Schedule of fair value of the assets of defined benefit pension plans by asset category and their level within the fair value hierarchy Tabular disclosure of segment reporting information by segment, including sales, operating income, assets, depreciation and amortization, expenditures for long-lived assets and geographic information. Schedule of Sales and Operating Income and Assets and Depreciation Amortization and Expenditures for Long Lived Assets and Geographic Information by Segment [Table Text Block] Schedule of business segment financial data United Kingdom UNITED KINGDOM Represents Transportation Systems, a business segment of the entity that designs, produces, installs and services electronic revenue collection systems for mass transit projects, including railways and buses. Transportation Systems [Member] Transportation Systems Increase (decrease) related to tax positions in prior years: Unrecognized Tax Benefits Decreases Resulting from Prior Period Tax Positions [Abstract] The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns, including interest and penalties accrued, as of the balance sheet date. Total liability for uncertain tax issues Unrecognized Tax Benefits Including Income Tax Penalties and Interest Accrued Variable Interest Entities [Text Block] Disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide. INVESTMENT IN VARIABLE INTEREST ENTITY Summarized financial information Variable Interest Entity Financial Information [Abstract] Number of shareholders to whom all revenues were virtually passed through prior to a new contract Represents the number of shareholders of variable interest entity to whom all revenues were virtually passed through prior to a new contract. Variable Interest Entity Number of Shareholders to, whom Virtually All Revenues are Passed Through Service Cost Erroneously Classified as Product Cost Represents the amount of service cost erroneously classified as product cost. Service cost erroneously classified as product cost Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed, and that generally comprises raw materials, labor and factory overhead costs, and which require further materials, labor and overheads to be converted into finished goods, and which generally requires the use of estimates to determine the percentage, complete pricing and inventories associated with long-term contracts. Work in Process and Inventoried Costs under Long Term Contracts, Net of Reserves Work in process and inventoried costs under long-term contracts Long-term capitalized contract costs Represents the cost that is recognized as a fixed asset on the company's balance sheet, rather than being charged to expense in the current period due to its nature and is not expected to be converted to cash, sold or exchanged within the normal operating cycle (i.e. 12 months). Capitalized Costs Long Term Noncurrent Long-term capitalized costs Represents increase (decrease) in the amount of cost that is recognized as a fixed asset on the company's balance sheet, rather than being charged to expense in the current period due to its nature and is not expected to be converted to cash, sold or exchanged within the normal operating cycle (i.e. 12 months). Long-term capitalized contract costs Increase (Decrease) in Capitalized Costs Long Term Noncurrent Tabular disclosure of the restated quarterly financial data in the annual financial statements. Schedule of Restated Quarterly Results of Operations [Table Text Block] Summary of restated quarterly results of operations Schedule of Quarterly Condensed Balance Sheet Restatement [Table Text Block] Summary of restated quarterly results of balance sheet Tabular disclosure of prior period adjustments to previously issued quarterly financial statements affecting the balance sheet. Entity Well-known Seasoned Issuer Tabular disclosure of prior period adjustments to previously issued quarterly financial statements affecting the income statement. Schedule of Quarterly Condensed Income Restatement [Table Text Block] Summary of restated quarterly results of income Entity Voluntary Filers Schedule of Quarterly Condensed Cash Flow Restatement [Table Text Block] Summary of restated quarterly results of cash flows Tabular disclosure of prior period adjustments to previously issued quarterly financial statements affecting the cash flow statement. Entity Current Reporting Status Other The gross amount of decreases in unrecognized tax benefits resulting from other tax positions taken in prior period tax returns. Unrecognized Tax Benefits Decreases Resulting from Prior Period Other Tax Positions Entity Filer Category The gross amount of adjustment in unrecognized tax benefits resulting from currency translation adjustment. Unrecognized Tax Benefits Adjustment Resulting from Currency Translation Currency translation adjustment Entity Public Float Represents the revenue recognition and other individually immaterial errors on consolidated financial statements. Revenue Recognition and Other Immaterial Errors [Member] Revenue recognition and other individually immaterial errors Entity Registrant Name The reporting scenario used to indicate for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. They do not include all information and footnotes required by accounting principles generally accepted in the United States for complete financial statements. Scenario Interim Financial Information [Member] Interim financial information Entity Central Index Key Goodwill Acquired Tax Accrual Reduction of acquired tax accrual Represents the amount of goodwill adjustment due to acquired tax accrual by the entity. Debt Instrument, Increase Additional Borrowings to be Issued Debt to be issued under derivative contacts Represents the increase of additional borrowings on existing and new debt instruments to be issued under derivative and hedging activities. Number of days prior to the first day of each calculation period Represents the number of days prior to first days of each calculation period for floating reset. Number of Days for Floating Reset Dates Prior to First Day of each Calculation Period Number of semi-annual interest cash flows Represents the number of projected semi-annual interest cash flow installment under derivative contracts. Number of Projected Semi Annual Cash Flows Entity Common Stock, Shares Outstanding Minimum commitment amount for hedging Represents the minimum commitment amount for hedging risk by using foreign currency exchange forward and option contracts. Minimum Commitment Exposure for Hedging Loss Contingency Accrued Interest Amount of accrued interest Represents the amount of accrued interest. Number of Former Employees Alleged for Loss of Revenue Due to Inappropriate and Illegal Actions Represents the number of former employees alleged for loss of revenue due to inappropriate and illegal actions. Number of former employees alleged for loss of revenue due to inappropriate and illegal actions Restatement of Condensed Consolidated Financial Statements Accounting Changes and Error Corrections [Text Block] Increase (Decrease) in Other Investing Capital The increase (decrease) during the reporting period in other assets used in investing activities less other investing liabilities used in investing activities not separately disclosed in the statement of cash flows. May include changes in other current assets and liabilities, other noncurrent assets and liabilities, or a combination of other current and noncurrent assets and liabilities. Other Items Accrued Compensation and Other Liabilities Current Accrued compensation and other current liabilities Represent the carrying values as of the balance sheet date of obligations related to employee related liabilities and also include liabilities not separately disclosed in the balance sheet. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Number of Operational and Technical Experts Hired Number of employees hired Represents the number of operational and technical experts hired of the acquired entity. Cost of acquisition net Represents the cost of acquisition adjusted by the difference between the net working capital acquired and targeted working capital amounts less amounts that will not be due if certain future events fail to occur. Business Acquisition, Cost of Acquisition, Net Represents the additional cash consideration to be accelerated if certain event occurs at the time of payment. Business Acquisition Contingent Consideration Cash Consideration Accelerated if Certain Event Occurs Additional cash consideration accelerated if certain event occurs Estimated current liability of additional cash consideration Represents the amount of purchase consideration payable, in a business combination. Business Acquisition, Cost of Acquired Entity Purchase Price Payable Business Acquisition, Contingent Consideration Period Due Period within which contingent consideration will be paid Represents the period from the acquisition date, within which contingent consideration will be due. Contingent consideration expense Business Acquisition, Contingent Consideration Expense Represents the amount of contingent consideration expense incurred during the period. Represents information pertaining to the time-based restricted stock units under the long-term equity incentive award program. Time Based Restricted Stock Units RSU [Member] Time-based RSUs Stockholders Equity [Line Items] Stockholders' Equity Share Based Compensation Arrangement by Share Based Payment Award, Contingent Right to Receive Number of Shares of Common Stock Number of shares of common stock that each award holder has the contingent right to receive Represents the number of shares of common stock that each award holder has the contingent right to receive. Represents the number of equal installments for vesting of share-based compensation awards. Share Based Compensation Arrangement by Share Based Payment Award, Number of Equal Installments for Vesting of Stock Awards Number of equal installments for vesting of stock awards Sales Related to Annual System Usage Incentives on Transportation Contract Sales related to annual system usage incentives Represents the amount of sales related to annual system usage incentives on a transportation contract. Represents the transportation systems service contracts that contains annual system usage incentives which are based upon system usage compared to annual baseline amounts. Number of Transportation Systems Service Contracts Containing Annual System Usage Incentives Number of transportation systems service contracts contains annual system usage incentives Document Fiscal Year Focus Business Combination Adjustments for Transaction Expenses Adjustments made for transaction expenses Represents the transaction expenses adjustments made for acquisition of assets and assumptions of liabilities in the business combination. Document Fiscal Period Focus Business Acquisition Estimated Working Capital Settlement Receivable Estimated working capital settlement receivable Represents the amount of estimated working capital settlement receivable in a business combination. Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options Weighted Average Grant Date Fair Value [Abstract] Weighted Average Grant-Date Fair Value Defense systems business Represents information pertaining to the defense systems businesses acquired by the entity. Defense Systems Business [Member] Amount of change in the estimated fair value of the total estimated contingent payments to be made since the date of the acquisition Represents the amount of change in the estimated fair value of the total estimated contingent payments to be made since the date of the acquisition. Business Acquisition Contingent Consideration Potential Payments Change in Fair Value Since Acquisition Date Change in fair value of contingent consideration since the date of the acquisition Payments of Contingent Consideration Related to Acquisition of Businesses Contingent consideration payments related to acquisitions of businesses Cash outflow in the form of contingent consideration payments related to acquisitions of businesses. Contingent consideration payments related to acquisitions of businessess Ground Combat Training System [Member] Ground combat training range contract Represents information pertaining to ground combat training system. Amount of deferred tax liability attributable to taxable temporary differences due before or after one year or the normal operating cycle, if longer, assumed at the acquisition date. Deferred tax liabilities, net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed Deferred Tax Asset (Liabilities) Amount of other net tangible assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date. Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Other Net Tangible Assets Net tangible assets acquired Amount of accrued liability Loss Contingency Accrued Liability Represents the amount recorded of accrued liability of judgment. Represents the probable amount of pre-judgment interest award by district court. Loss Contingency Accrual Pre Judgment Interest Amount of pre-judgment interest award Loss Contingency Attorneys Fees Amount of attorney's fees Represents the amount of attorney's fees that can be reimbursed to the plaintiff. Concentration of Credit Risk [Policy Text Block] Concentration of Credit Risk Disclosure of the accounting policy for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. Document Type Dilutive Securities Per Share Effect Attributable to Share Based Payment Arrangements Effect of dilutive securities (in dollars per share) Represents the per share effect of potentially dilutive securities included in the calculation of diluted EPS as a result of the dilutive effect of share-based payment arrangements using the treasury stock method. Income Tax Reconciliation Reinstatement of Tax Credits Research Reinstatement of federal research and development credit The portion of the difference between total income tax expense or benefit as reported in the income statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to the reinstatement of research and development tax credits. Undistributed Earnings of Foreign Subsidiaries Available for Distribution Undistributed earnings of foreign subsidiaries available for distribution Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile which are currently available for distribution. Restatement of Condensed Consolidated Financial Statements Represent information pertaining to real estate and cash. Real Estate and Cash [Member] Real estate and cash Schedule of Significant Unobservable Inputs Quantitative Information used in Fair Value Measurement of Level 3 Plan Investments [Table Text Block] Schedule of quantitative information about the significant unobservable inputs used in the fair value measurement of the plan's Level 3 investment Represents the per share effect of potentially dilutive securities included in the calculation of diluted EPS as a result of the dilutive effect of share based payment arrangements using the treasury stock method. Summary of investments measured at fair value based on net asset value (NAV) per share Tabular disclosure of data and information of the investments measured at fair value based on net asset value per share. Schedule of Investments Measured at Fair Value Based on Net Asset Value Per Share [Table Text Block] Fair Value Inputs Crediting Interest Rate Represents the crediting interest rate used in fair value measurement of investments. Crediting interest rate (as a percent) Accounts Receivable Accounts and Notes Receivable, Net [Abstract] Represents the contract value of plan investments. Defined Benefit Plan Investments Contract Value Contract value Defined Benefit Plan Investments Fair Value Fair value Represents the fair value of plan investments. Fair Value Inputs Average Crediting Interest Rate Average crediting rate (as a percent) Represents the average crediting interest rate used in fair value measurement of investments. Fair Value Inputs New Deposits Crediting Interest Rate New deposits crediting rate (as a percent) Represents the new deposits crediting interest rate used in fair value measurement of investments. Investments Measured at Fair Value Based on Net Asset Value Per Share Contract Value Contract value Represents the contract value of plan investments measured at fair value based on net asset value per share. Accounts payable Investments Measured at Fair Value Based on Net Asset Value Per Share Fair Value Fair value Represents the fair value of plan investments measured at fair value based on net asset value per share. Investments Measured at Fair Value Based on Net Asset Value Per Share Redemption Notice Period Redemption notice period Represents the redemption notice period for plan investments measured at fair value based on net asset value per share. Guaranteed Interest Account [Member] Represents information pertaining to guaranteed interest account. Guaranteed interest account Represents information pertaining to stable value fund. Stable Value Fund [Member] Stable value fund Significant Unobservable Inputs Quantitative Information Used in Fair Value Measurement of Level 3 Plan Investments [Abstract] Significant unobservable inputs used in the fair value measurement of the plan's Level 3 investment Investments Measured at Fair Value Based on Net Asset Value Per Share [Abstract] Investments measured at fair value based on net asset value (NAV) per share Defined Benefit Plan Amount and Timing of Assets Expected to be Returned to Employer Plan assets expected to be returned in 2013 Represents the amount and timing of any plan assets expected to be returned to the employer. Amount after tax of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) during the period. Other Comprehensive Income (Loss) Reclassification Adjustment from AOCI for Net Gain (Loss) Net of Tax Reclassification adjustment for losses (gains) included in net income, net of tax Contract awarded by Iran Contract Awarded by Iran [Member] Represents information pertaining to contract awarded by Iran. Advanced Interactive Systems [Member] AIS Represents information pertaining to Advanced Interactive Systems, that was acquired by the entity. PS Management Consultants Pty Ltd [Member] PSMC Represents information pertaining to PS Management Consultants Pty Ltd., that was acquired by the entity. Revenue Recognition Multiple Deliverable Arrangements Allocation of Consideration to up Front Deliverables Allocation of arrangement consideration to the up-front deliverables Represents the amount of allocation of arrangement consideration to the up-front deliverables in a multiple-deliverable arrangement. Revenue Recognition Multiple Deliverable Arrangements Revenue for Delivery of up Front Deliverable Units Revenue for the delivery of up-front units of accounting Represents the amount of revenue for the delivery of up-front units of accounting in a multiple-deliverable arrangement. Series A senior unsecured notes Represents information pertaining to Series A senior unsecured notes payable. Series A Senior Unsecured Notes [Member] Series B Senior Unsecured Notes [Member] Series B senior unsecured notes Represents information pertaining to Series B senior unsecured notes payable. Represents information pertaining to diversified growth fund. Diversified Growth Fund [Member] Diversified growth fund Discounted cash flow valuation technique used to measure fair value. Discounted Cash Flow Valuation Technique [Member] Discounted cash flow Sale Comparison Valuation Technique [Member] Sale Comparison Sale comparison valuation technique used to measure fair value. PRISA Real Estate [Member] PRISA Real Estate Represents information pertaining to PRISA Real Estate. PRISA II Real Estate [Member] PRISA II Real Estate Represents information pertaining to PRISA II Real Estate. Minimum Weighted Average [Member] Minimum Weighted Average Lower limit of the average of a range of values, calculated with consideration of proportional relevance. Maximum Weighted Average [Member] Maximum Weighted Average Upper limit of the average of a range of values, calculated with consideration of proportional relevance. Fair Value Inputs Yield to Maturity Rate Yield to Maturity (as a percent) Represents the yield to maturity rate used in fair value measurement of investments. Fair Value Inputs Market Spread on Base Rate Market Spread on Base Rate (as a percent) Represents the market spread on base rate used in fair value measurement of investments. Debt Instrument, Additional Face Amount Agreed to be Issued within Certain Period of Time Additional senior notes principal amount agreed to be issued within the next three years Represents the additional principal amount of debt agreed to be issued within certain period of time as per the agreement. Number of remaining reporting units whose estimated fair values exceeded carrying values Number of Remaining Reporting Units whose Estimated Fair Values Exceeded Carrying Values Represents the number of remaining reporting units whose estimated fair values exceeded their carrying values. Period of Cumulative Income (Loss) under Assessment to Determine if Valuation Allowance is Required Period of cumulative income or loss under assessment to determine if a valuation allowance is required Represents the period of cumulative income or loss under assessment to determine if a valuation allowance is required, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Period of Historical Cumulative Income (Loss) Period of historical cumulative loss Represents the period of historical cumulative loss, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Lawsuit Filed in Federal Court Against Transit Customers Alleging Breach of Contract [Member] Lawsuit filed in federal court against the transit customers alleging breach of contract Represents the lawsuit filed in federal court against the transit customers alleging breach of contract. Lawsuit Filed in State Court Against Transit Customers Alleging Conversion and Unjust Enrichment [Member] Lawsuit filed in state court against the transit customers alleging conversion and unjust enrichment Represents the lawsuit filed in state court against the transit customers alleging conversion and unjust enrichment. Amount Wrongly Charged Multiple Times for Calling Call Center that Entity Operates for Patrons of Transit Customers Amount wrongly charged multiple times for calling the call center which the entity operates for patrons of the transit customers Represents the amount wrongly charged multiple times for calling the call center which the entity operates for patrons of the transit customers. Amount Charged on Bank Debit Card for Ride on Transit System Amount charged on bank debit card for a ride on the transit system Represents the amount charged on bank debit card for a ride on the transit system. Trade and other receivables Accounts Receivable, Gross, Current Global Employee Severance [Member] Global employee severance Represents information pertaining to the global employee severance. Corporate Employee Severance [Member] Corporate employee severance Represents information pertaining to the corporate employee severance. Intelligent Transport Management Solutions Limited [Member] ITMS Represents information pertaining to Intelligent Transport Management Solutions Limited that was acquired by the entity. Reclassification of accrued pension costs from accrued employee benefits Represents the reclassification of accrued pension costs from accrued employee benefits. Reclassification of Accrued Pension Costs from Accrued Employee Benefits [Member] NEW ZEALAND New Zealand Reclassification of Long Term Contracts and Inventory Valuation Reductions [Member] Reclassification of long-term contracts and inventory valuation reductions Represents the reclassification of long-term contracts and inventory valuation reductions. Unrecognized Tax Benefits Increase/(Decreases) Resulting from Prior Period Tax Positions [Abstract] Increase (decrease) related to tax positions in prior years: Inappropriate Classification of Accounts Receivable [Member] Inappropriate classification of accounts receivable Represents the adjustment for inappropriate classification of accounts receivable made in prior period. Number of contracts inappropriately classified Represents the number of contracts that were inappropriately classified. Number of Contracts Inappropriately Classified Total accounts receivable Accounts Receivable, Net Loss Contingency, Additional Amount of Loss Deemed Probable Other amount of loss which is deemed probable Represents the additional amount of loss, which is deemed probable by the entity. Period Receivables not Collected within to be Classified as not Currently Due Period that receivables will not be collected within to be classified as not currently due Represents the period that receivables will not be collected within to be classified as not currently due. Basis for Presentation and Immaterial Restatement [Text Block] Basis for Presentation and Immaterial Restatement The entire disclosure for basis for presentation and immaterial restatement. Tabular disclosure of prior period adjustments to previously issued financial statements affecting the comprehensive Income statement. Schedule of Condensed Comprehensive Income Restatement [Table Text Block] Schedule of restatement of comprehensive income Intific Inc [Member] Intific Inc. Represents information pertaining to Intific Inc., (Intific). Business Combination Contingent Consideration Paid Payments upon resolution of contingencies Represents the amount of cash paid upon the resolution of certain contingencies. Vesting on First Installment [Member] First installment Represents the award vesting on first installment. Trade accounts payable Accounts Payable, Current Represents the award vesting on second installment. Vesting on Second Installment [Member] Second installment Components of accounts receivable under long-term contracts Accounts, Notes, Loans and Financing Receivable [Line Items] Vesting on Third Installment [Member] Third installment Represents the award vesting on third installment. Trade and other receivables Accounts Receivable, Gross Supplier Relationships [Member] Supplier relationships Represents information pertaining to supplier relationships. Agreements with Seller [Member] Agreements with Seller Represents information pertaining to agreements with seller. Other Income (Expense) [Member] Other income/(expense), net Primary financial statement caption encompassing other revenue and expenses. Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments other than Options Grants Year to Date The number of grants made to date on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Number of units awarded (in shares) Litigation Settlement Amount Excluding Percentage of Insurance Proceeds Received Amount to be paid under settlement agreement excluding percentage of insurance proceeds received Represents the amount of judgment or settlement awarded to (against) the entity in respect of litigation excluding amount as a percentage of insurance proceeds received under the insurance policies. Litigation Settlement Amount as Percentage of Insurance Proceeds Received Percentage of insurance proceeds Represents the amount of settlement as percentage of insurance proceeds received under the insurance policies awarded to (against) the entity in respect of litigation. Legal Entity of Counterparty, Type [Axis] Amortization of Intangible Assets Not Expected to be Tax Deductible Future amortization of purchased intangibles not expected to be deductible for tax purposes Represents the future amortization of purchased intangibles not expected to be deductible for tax purposes. Accounts receivable Total accounts receivable under long-term contracts Contract Receivable United States UNITED STATES Income taxes payable Accrued Income Taxes, Current Income taxes payable Accrued Income Taxes, Noncurrent Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Adjustment to pension liability Accumulated Defined Benefit Plans Adjustment [Member] Adjustment to pension liability Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax Net unrealized (losses) gains from cash flow hedges Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Accumulated Other Comprehensive Income Accumulated other comprehensive income (loss) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss) [Member] Net unrealized (losses) gains from cash flow hedges Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] Other comprehensive income Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Table] Foreign currency translation Accumulated Translation Adjustment [Member] Weighted average useful life of intangible assets Weighted average amortization period of purchased intangible assets Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Purchased intangible assets Acquired Finite-Lived Intangible Assets [Line Items] Debt instruments Additional Fair Value Elements [Abstract] Adjustments for Error Correction [Domain] Adjustments to reconcile net income to net cash provided by (used in) operating activities: Adjustments to reconcile net income to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Other Other Segments [Member] Non-cash compensation expense related to stock-based awards Allocated Share-based Compensation Expense Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable Amortization of purchased intangibles Amortization expense Amortization expense Amortization of Intangible Assets Anti-dilutive employee share-based awards Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Assets Assets, Fair Value Disclosure [Abstract] Total assets Assets Assets Assets Current assets: Assets, Current [Abstract] ASSETS Assets [Abstract] Total current assets Current asset recorded Assets, Current Total assets measured at fair value Assets, Fair Value Disclosure Marketable securities Available-for-sale Securities Marketable securities Available-for-sale Securities, Current Balance Sheet Location [Axis] Balance Sheet Location [Domain] Amounts billed Billed Billed Contracts Receivable Buildings and improvements Building and Building Improvements [Member] Accounts payable and accrued expenses Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Accounts receivable, net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Deferred tax assets, net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets Noncurrent Deferred revenue Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue Business Acquisition [Axis] Unaudited pro forma information Business Acquisition, Pro Forma Information [Abstract] Other net liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Schedule of unaudited pro forma information Business Acquisition, Pro Forma Information [Table Text Block] Estimated fair value of the liability for contingent consideration payable to the seller of acquiree Business Combination, Contingent Consideration, Liability Other intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Acquisitions Business Acquisition [Line Items] Other net assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Change in the fair value of the contingent consideration Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Net sales Business Acquisition, Pro Forma Revenue Business Acquisition, Acquiree [Domain] Net loss after taxes Business Acquisition, Pro Forma Net Income (Loss) Net income attributable to Cubic Acquisitions Fair value of consideration transferred Estimated acquisition-date fair value of consideration transferred Business Combination, Consideration Transferred Acquisitions Business Combination Disclosure [Text Block] Recognizing assets acquired and liabilities assumed in a business combination Business Combinations Policy [Policy Text Block] Fair value of additional contingent cash consideration Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High Contingent consideration to Seller of NEK Amortizable intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Net identifiable assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Transaction and acquisition related costs Business Combination, Acquisition Related Costs Purchase price allocation Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] Net assets acquired Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Other net assets acquired Recorded Balance Reported Value Measurement [Member] Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at the beginning of the period CASH AND CASH EQUIVALENTS AT THE END OF THE PERIOD Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Cash and cash equivalents Cash and Cash Equivalents [Member] Revenue recognition Change in Accounting Estimate [Line Items] Summary Of quarterly results of operations Change in Accounting Estimate, Type [Domain] Change in Accounting Estimate by Type [Axis] Schedule of changes in the projected benefit obligation and fair value of plan assets and the funded status Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan [Table Text Block] Variable Interest Entity, Classification [Domain] COMMITMENTS Commitments Disclosure [Text Block] COMMITMENTS Commitments and contingencies Commitments and Contingencies Contingencies Commitments and Contingencies, Policy [Policy Text Block] Common Stock Common Stock [Member] Common stock, no par value: Authorized--50,000 shares 2013 and 2012--Issued 35,682 shares, outstanding--26,736 shares Common stock Common Stock, Value, Issued Common stock, Issued shares Common Stock, Shares, Issued Dividends per common share (in dollars per share) Common Stock, Dividends, Per Share, Declared Common stock, Authorized shares Common Stock, Shares Authorized Common stock, par value Common Stock, No Par Value Cash dividends paid, per share of common stock Common Stock, Dividends, Per Share, Cash Paid Common stock, outstanding shares Balance (in shares) Common Stock, Shares, Outstanding Pension Plans Stock-Based Compensation Compensation Related Costs, Policy [Policy Text Block] Significant components of the provision for income taxes Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] Significant components of deferred tax assets and liabilities Components of Deferred Tax Assets and Liabilities [Abstract] Comprehensive income: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Comprehensive Income Comprehensive Income, Policy [Policy Text Block] Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive Income Comprehensive Income (Loss) Note [Text Block] Comprehensive Income Comprehensive Income [Member] Minimum percentage of revenue accounted for by no other customer Concentration Risk, Percentage Consolidation Items [Domain] Principles of Consolidation Consolidation, Policy [Policy Text Block] Consolidation Items [Axis] Long-term contracts: Contracts Receivable [Abstract] Contracts Receivable (Deprecated 2012-01-31) Change in estimated total costs Contracts Accounted for under Percentage of Completion [Member] Unallocated corporate expenses and other Corporate, Non-Segment [Member] Corporate debt securities Corporate Debt Securities [Member] Products Cost of Goods Sold Services Cost of Services Cost of sales Cost of Sales [Member] Costs and expenses: Costs and Expenses [Abstract] Total costs and expenses Costs and Expenses Forward starting swap Currency Swap [Member] State Current State and Local Tax Expense (Benefit) Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Foreign Current Foreign Tax Expense (Benefit) Federal Current Federal Tax Expense (Benefit) Total current Current Income Tax Expense (Benefit) Customer relationships Customer Relationships [Member] Customer advances Customer Advances, Current Instruments designated as accounting hedges: Designated as Hedging Instrument [Member] Financial arrangement Debt Instrument [Line Items] Schedule of Long-term Debt Instruments [Table] Principal amount of debt instrument Debt Instrument, Face Amount Financing Arrangements Financing Arrangements Debt Disclosure [Text Block] Term of debt to be issued Debt Instrument, Term Annual principal payments Debt Instrument, Annual Principal Payment Debt securities Debt Securities [Member] Interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Property, plant and equipment Deferred Tax Assets, Property, Plant and Equipment Deferred Compensation Plans Deferred Compensation Arrangements [Abstract] Intangible assets Deferred Tax Assets, Goodwill and Intangible Assets Foreign operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration Deferred income taxes and other current assets Deferred Income Taxes and Other Assets, Current Federal Deferred Federal Income Tax Expense (Benefit) Deferred income taxes Deferred Income Taxes and Tax Credits Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Foreign Deferred Foreign Income Tax Expense (Benefit) Deferred income taxes Total deferred provision (benefit) Deferred Income Tax Expense (Benefit) State Deferred State and Local Income Tax Expense (Benefit) Net deferred tax asset Deferred Tax Assets, Net Subtotal Deferred Tax Assets, Gross Other Deferred Tax Assets, Other Retirement benefits Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Current Deferred tax assets Deferred Tax Assets, Net of Valuation Allowance State research and development credit carryforward Deferred Tax Assets, Tax Credit Carryforwards, Research Deferred tax assets: Deferred Tax Assets, Net [Abstract] Deferred compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Accrued employee benefits Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits Net Operating Losses Deferred Tax Assets, Operating Loss Carryforwards Allowances for loss contingencies Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Contingencies Adjustment to pension liability Deferred tax asset Adjustment to the pension liability, tax benefit Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Deferred Tax Assets, Valuation Allowance Valuation allowance on net deferred tax assets for Australia Other Deferred Tax Liabilities, Other Intangible assets Deferred Tax Liabilities, Goodwill and Intangible Assets Foreign currency mark-to-market Deferred Tax Assets, Unrealized Currency Losses Deferred tax liabilities Deferred Tax Liabilities, Net Deferred tax liabilities: Deferred Tax Liabilities, Gross [Abstract] Deferred revenue Deferred Tax Liabilities, Tax Deferred Income Foreign currency mark-to-market Deferred Tax Liabilities, Unrealized Currency Transaction Gains Deferred compensation Deferred Compensation Liability, Classified, Noncurrent Liability adjustment to OCI Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Actuarial Gain (Loss), before Tax Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year Expected contribution to defined benefit pension plans in next fiscal year Defined Benefit Plan, Expected Future Benefit Payments, Year Three 2016 Net benefit obligation at the beginning of the year Net benefit obligation at the end of the year Defined Benefit Plan, Benefit Obligation Net amount recognized Defined Benefit Plan, Amounts Recognized in Balance Sheet Change in benefit obligations: Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Administrative expenses Defined Benefit Plan, Administration Expenses Target allocation percentage, minimum Defined Benefit Plan, Target Plan Asset Allocations Range Minimum Defined Benefit Pension Plans Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract] Actuarial loss (gain) Defined Benefit Plan, Actuarial Gain (Loss) Defined Benefit Plan, Expected Future Benefit Payments, Year Two 2015 Discount rate (as a percent) Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Amounts recognized in Accumulated OCI Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract] Unrecognized net actuarial loss Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax Defined Benefit Plan, Expected Future Benefit Payments, Year Five 2018 Expected return on plan assets (as a percent) Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets Amortization of actuarial loss Defined Benefit Plan, Amortization of Gains (Losses) Target allocation percentage, maximum Defined Benefit Plan, Target Plan Asset Allocations Range Maximum Discount rate (as a percent) Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Defined Benefit Plan, Expected Future Benefit Payments, Year Four 2017 Unrecognized actuarial loss expected to be recognized in net pension cost over next fiscal year Defined Benefit Plan, Future Amortization of Gain (Loss) Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months 2014 Defined Benefit Pension Plans Fair value of assets of defined benefit pension plans by asset category Defined Benefit Plan Disclosure [Line Items] Actual return on plan assets Realized and unrealized gains, net Defined Benefit Plan, Actual Return on Plan Assets Rate of compensation increase (as a percent) Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Gross benefits paid Defined Benefit Plan, Benefits Paid Rate of compensation increase (as a percent) Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter 2019-2023 Change in plan assets: Changes in the fair value of plan assets categorized as Level 3 Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Plan amendments Defined Benefit Plan, Plan Amendments Expected pension benefit payments Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract] Foreign currency exchange rate changes Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets Service cost Service cost Defined Benefit Plan, Service Cost Accumulated benefit obligation Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Accumulated Benefit Obligation Participant contributions Defined Benefit Plan, Contributions by Plan Participants Unfunded status of the plans Defined Benefit Plan, Funded Status of Plan Interest cost Interest cost Defined Benefit Plan, Interest Cost Projected benefit obligation Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Projected Benefit Obligation Fair value of plan assets at the end of the year Fair value of the assets Defined Benefit Plan, Fair Value of Plan Assets Fair value of plan assets at the beginning of the year Foreign currency exchange rate changes Defined Benefit Plan, Foreign Currency Exchange Rate Gain (Loss) Employer contributions Defined Benefit Plan, Contributions by Employer Curtailment charge Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments Net pension benefit Defined Benefit Plan, Net Periodic Benefit Cost Components of net periodic pension cost (benefit) Defined Benefit Plan, Net Periodic Benefit Cost [Abstract] Projected benefit obligation, ABO and fair value of plan assets for the defined benefit pension plans in which the ABO was in excess of the fair value of plan assets Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract] Expected return on plan assets Defined Benefit Plan, Expected Return on Plan Assets Fair value of plan assets Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets Company contributions to defined contribution plan Defined Contribution Plan, Cost Recognized Weighted-average assumptions used to determine benefit obligation at the end of the year Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] Defined Benefit Plan, Asset Categories [Axis] Defined Benefit Pension Plan, Liabilities, Noncurrent Accrued pension liability Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Weighted-average assumptions used to determine net periodic benefit cost at the end of the year Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] Defined Contribution Plans Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract] Purchase, sales and settlements, net Defined Benefit Plan, Purchases, Sales, and Settlements Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Cash on deposit as collateral Deposit Assets Depreciation of plant and equipment and amortization of leasehold improvements Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Depreciation, Depletion and Amortization Noncurrent derivative liabilities Derivative Liability, Noncurrent Liability derivatives: Derivative Liability Noncurrent derivative assets Derivative Asset, Noncurrent Derivative Instrument [Axis] Derivative [Table] Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Derivative Instruments and Hedging Activities Current derivative assets Derivative Asset, Current Term of derivative contract Derivative, Term of Contract Asset derivatives: Derivative Asset Current derivative liabilities Derivative Liability, Current Variable rate basis Derivative, Description of Variable Rate Basis Fixed rate (as a percent) Derivative, Fixed Interest Rate Fair value of derivative Derivative, Fair Value, Net Derivative Contract [Domain] Derivative instruments and hedging activities Derivative Instruments, Gain (Loss) [Line Items] Gain (loss) related to derivative instruments classified as not highly effective Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net Gains (losses) recognized in OCI Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Gains (losses) reclassified into earnings - Effective Portion Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Derivative gain reclassified into earnings Derivative Instruments, Gain (Loss) [Table] Derivative Financial Instruments Derivatives, Policy [Policy Text Block] Derivative instruments and hedging activities Derivatives, Fair Value [Line Items] Stock-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Balance Sheet Details Stock-Based Compensation Cash dividends paid -- $.24, $.24 and $.28 per share of common stock for year ended September 2013, 2012 and 2011, respectively Dividends, Common Stock, Cash Net income per share (in dollars per share) Basic and diluted net income per common share (in dollars per share) Net income per share attributable to Cubic (in dollars per share) Earnings Per Share, Basic and Diluted Net Income Per Share Earnings Per Share [Text Block] Earnings Per Share, Policy [Policy Text Block] Net Income Per Share Basic (in dollars per share) Net income per share attributable to Cubic, basic (in dollars per share) Increase (decrease) in net income per common share (in dollars per share) Earnings Per Share, Basic Net income (loss) per share, basic (in dollars per share) Increase (decrease) in net income per common share (in dollars per share) Diluted (in dollars per share) Net income per share attributable to Cubic, diluted (in dollars per share) Earnings Per Share, Diluted Net income (loss) per share, diluted (in dollars per share) Net income per share attributable to Cubic Net Income Per Share Net income per share attributable to Cubic: Increase in accumulated other comprehensive income Effect on Accumulated Other Comprehensive Income (Loss) Due to Change in Measurement Date, Net of Tax Effect of exchange rates on cash Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations Increase in retained earnings Effect on Retained Earnings (Accumulated Deficit) Due to Change in Measurement Date, Net of Tax Effective tax rate (as a percent) Effective Income Tax Rate Reconciliation, Percent Accrued compensation Employee-related Liabilities, Current Unrecognized compensation cost related to unvested awards Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options Weighted-average period of recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Employee Separation Expenses Employee Severance [Member] Equity Component [Domain] Equity securities Equity Securities [Member] Adjustments for Error Corrections [Axis] Reclassification Restatement of Condensed Consolidated Financial Statements Error Corrections and Prior Period Adjustments Restatement [Line Items] Total Estimate of Fair Value Measurement [Member] Excess capital in New Zealand Excess Capital Measurement Frequency [Axis] Value Per Square Foot Fair Value Inputs, Price Per Square Foot Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Hierarchy [Axis] Discount Rate (as a percent) Fair Value Inputs, Discount Rate Exit capitalization rate (as a percent) Fair Value Inputs, Cap Rate Assets and liabilities measured at fair value Fair Value, Measurements, Recurring [Member] Fair Value, Measurement Frequency [Domain] Assets and liabilities measured at fair value on a recurring basis Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value of Financial Instruments Nonrecurring Fair Value, Measurements, Nonrecurring [Member] Fair Value Hierarchy [Domain] Schedule of the balances of nonfinancial assets measured at fair value on a nonrecurring basis Fair Value Measurements, Nonrecurring [Table Text Block] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Level 1 Fair Value, Inputs, Level 1 [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Letters of credit primarily for self-insured liabilities Financial Standby Letter of Credit [Member] Amortized intangible assets, Gross Carrying Amount Finite-Lived Intangible Assets, Gross 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Five 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Three Estimated amortization expense related to the intangible assets Expected amortization for purchased intangibles for each of the next five years Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Amortized intangible assets, Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Total expected amortization for purchased intangibles Finite-Lived Intangible Assets, Net Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets by Major Class [Axis] Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five 2015 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2014 Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year Fixed-income funds Fixed Income Funds [Member] Foreign Currency Transactions and Translation Foreign Currency Transactions and Translations Policy [Policy Text Block] Foreign currency forwards Foreign Exchange Forward [Member] Estimated unrealized net losses from cash flow hedges which are expected to be reclassified into earnings in the next twelve months Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months General and administrative amounts for certain government contracts remaining in inventory General and Administrative Costs in Inventory, Amount Remaining Goodwill and Purchased Intangibles Goodwill and Intangible Assets, Policy [Policy Text Block] Impairment of recorded goodwill Goodwill, Impairment Loss Impairment of goodwill Total Losses Goodwill impairment charge related to MSS reporting unit Balance at the end of the period Goodwill Goodwill Balance at the beginning of the period GOODWILL AND PURCHASED INTANGIBLE ASSETS Goodwill and Intangible Assets Disclosure [Text Block] Foreign currency exchange rate changes Goodwill, Translation Adjustments Goodwill Goodwill [Line Items] Retrospective adjustment for valuation finalization Goodwill, Purchase Accounting Adjustments Changes in the carrying amount of goodwill Goodwill [Roll Forward] GOODWILL AND PURCHASED INTANGIBLE ASSETS Goodwill, Acquired During Period Acquisitions Goodwill Goodwill, Fair Value Disclosure U.S. government contracts Government [Member] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Domain] Letters of Credit and bank guarantees outstanding Guarantor Obligations, Maximum Exposure, Undiscounted Hedging Designation [Axis] Hedging Designation [Domain] Intellectual property Intellectual Property [Member] Corporate and other Intersegment Eliminations [Member] Impairment of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] In-process research & development In Process Research and Development [Member] Components of income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract] CONDENSED CONSOLIDATED STATEMENTS OF INCOME Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income before income taxes Income Statement Location [Axis] Income Taxes Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign United States Income (Loss) from Continuing Operations before Income Taxes, Domestic Income Taxes Income Tax Disclosure [Text Block] Income Statement Location [Domain] Income Tax Expense (Benefit) Income taxes Total income tax expense Charge to income tax provision related to Australia Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount U.S. taxes provided on dividend Effective Income Tax Rate Reconciliation, Deduction, Dividends, Amount Manufacturing deduction Effective Income Tax Rate Reconciliation, Deduction, Qualified Production Activity, Amount Reconciliation of income tax computed at the U.S. federal statutory tax rate to income tax expense Effective Income Tax Rate Reconciliation, Amount [Abstract] Cash amounts paid for income taxes, net of refunds received Income Taxes Paid, Net Impact of goodwill impairment loss Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount Recoverable income taxes Income Taxes Receivable, Current Nondeductible expenses Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Tax effect from foreign earnings repatriation Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount Tax at U.S. statutory rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Income Taxes Income Tax, Policy [Policy Text Block] State income taxes, net of federal tax effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Change in reserve accrued for tax contingencies Effective Income Tax Rate Reconciliation, Tax Contingency, Amount Foreign earnings taxes at less than statutory rate Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount R&D credits generated in the current year Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount Income taxes Increase (Decrease) in Income Taxes Payable Accounts payable and other current liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Customer advances Increase (Decrease) in Customer Advances Inventories Increase (Decrease) in Inventories [Abstract] Changes in operating assets and liabilities, net of effects from acquisitions: Increase (Decrease) in Operating Capital [Abstract] Inventories Increase (Decrease) in Inventories Changes in operating assets and liabilities net of effects from acquisitions: Changes in operating assets and liabilities, net of effects from acquisitions Increase (Decrease) in Operating Capital Other items, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Accounts receivable Increase (Decrease) in Receivables Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Change in restricted cash Increase (Decrease) in Restricted Cash Increase (Decrease) in Stockholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Effect of dilutive securities (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Purchased intangibles - net Total intangible assets, Net Carrying Amount Purchased intangibles Intangible Assets, Net (Excluding Goodwill) Interest expense Interest Expense, Debt Amount of interest paid Interest Paid Inventories Net inventories Inventories - net Inventory, Net Finished products Inventory, Finished Goods, Net of Reserves INVENTORIES Inventory Disclosure [Text Block] Materials and purchased parts Inventory, Raw Materials and Purchased Parts, Net of Reserves Materials and purchased parts Inventory write-down Inventory Write-down Inventories Inventory, Policy [Policy Text Block] INVENTORIES Short-term Investments Investment, Policy [Policy Text Block] Investments [Domain] Interest and dividend income Investment Income, Interest and Dividend Investment Type [Axis] Term of lease Lessor Leasing Arrangements, Operating Leases, Renewal Term Letters of credit outstanding Letters of Credit Outstanding, Amount Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Land and land improvements Land and Land Improvements [Member] Leasehold improvements Leasehold Improvements [Member] Legal Matters Legal Matters and Contingencies [Text Block] Legal Entity Type of Counterparty [Domain] Secured letter of credit agreement Letter of Credit [Member] Total current liabilities Liabilities, Current Total liabilities and shareholders' equity Liabilities and Equity Current liabilities: Liabilities, Current [Abstract] LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities and Equity [Abstract] Liabilities Liabilities, Fair Value Disclosure [Abstract] Total liabilities measured at fair value Financial and Nonfinancial Liabilities, Fair Value Disclosure Maximum borrowing capacity under credit agreement Line of Credit Facility, Maximum Borrowing Capacity Borrowings outstanding Line of Credit Facility, Amount Outstanding Revolving credit agreement Line of Credit [Member] Current borrowing capacity under revolving credit agreement Line of Credit Facility, Current Borrowing Capacity Available amount under line of credit Line of Credit Facility, Remaining Borrowing Capacity Fair value of instruments Lines of Credit, Fair Value Disclosure Amount of interest paid to U.S. District Court in connection with arbitration award Litigation Settlement Interest Pre-judgment interest Litigation Settlement, Amount ACCOUNTS RECEIVABLE Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Carrying value Long-term debt Long-term Debt Fair Value Long-term Debt, Fair Value 2015 Long-term Debt, Maturities, Repayments of Principal in Year Two 2017 Long-term Debt, Maturities, Repayments of Principal in Year Four 2018 Long-term Debt, Maturities, Repayments of Principal in Year Five 2016 Long-term Debt, Maturities, Repayments of Principal in Year Three Maturities of long-term debt Long-term Debt, Fiscal Year Maturity [Abstract] Current maturities of long-term debt Less current portion Current portion of long-term debt Long-term Debt, Current Maturities Long-term debt Long-term debt, noncurrent portion Long-term Debt, Excluding Current Maturities 2014 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months Estimated loss of revenue Loss Contingency, Estimate of Possible Loss Loss Contingency, Nature [Domain] Loss Contingencies [Table] Legal Matters Amount of recoupment sought under claim for alleged lost revenue, fees and damages Loss Contingency, Damages Sought, Value Legal Matters Loss Contingencies [Line Items] Arbitration award amount Loss Contingency Accrual Accrued cost for contingency losses Loss Contingency Nature [Axis] Default judgment award amount Loss Contingency, Damages Awarded, Value Middle East Middle East [Member] Machinery and other equipment Machinery and Equipment [Member] Market Approach Valuation Technique [Member] Market Approach Marketable Securities Marketable Securities [Abstract] Marketable Securities Marketable Securities, Policy [Policy Text Block] Realized or unrealized gains or losses on marketable securities Marketable Securities, Gain (Loss) Maximum Maximum [Member] Minimum Minimum [Member] Noncontrolling interest in variable interest entity Stockholders' Equity Attributable to Noncontrolling Interest Cash equivalents - money market Long-lived assets, net Long-Lived Assets Nature of Error [Domain] Financing Activities: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Operating Activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Net income (loss) attributable to Cubic Net income attributable to Cubic Net income attributable to Cubic Net Income (Loss) Available to Common Stockholders, Basic Net income Cash used in operating activities NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities, Continuing Operations NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities, Continuing Operations NET CASH USED IN INVESTING ACTIVITIES NET CASH (USED IN) PROVIDED BY INVESTING ACTIVITIES Net Cash Provided by (Used in) Investing Activities, Continuing Operations Investing Activities: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Less noncontrolling interest in income of VIE Minority interest in income (loss) of subsidiary Net Income (Loss) Attributable to Noncontrolling Interest Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Receivable from the seller of NextBus Noncash or Part Noncash Acquisition, Accounts Receivable Acquired Liability incurred to acquire, net Noncash or Part Noncash Acquisition, Value of Liabilities Assumed Non-compete agreements Noncompete Agreements [Member] Other income (expense): Nonoperating Income (Expense) [Abstract] Notional Principal outstanding derivative instruments Number of primary business segments Number of Reportable Segments Number of businesses acquired Number of Businesses Acquired Noncontrolling Interest in VIE Noncontrolling Interest [Member] Instruments not designated as accounting hedges: Not Designated as Hedging Instrument [Member] Short-term investments - tax exempt bonds Nontaxable Municipal Notes [Member] Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Future minimum payments, net of minimum sublease income, under noncancelable operating leases Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2017 Operating Leases, Future Minimum Payments, Due in Four Years 2018 Operating Leases, Future Minimum Payments, Due in Five Years Sublease income Operating Leases, Rent Expense, Sublease Rentals 2016 Operating Leases, Future Minimum Payments, Due in Three Years Rental expense, net of sublease income Operating Leases, Rent Expense, Net 2014 Operating Leases, Future Minimum Payments Due, Next Twelve Months Operating income Operating income (loss) Operating income (loss) Increase (decrease) in operating profit Operating Income (Loss) Increase (decrease) in operating income 2015 Operating Leases, Future Minimum Payments, Due in Two Years Total future minimum payments, net of minimum sublease income Operating Leases, Future Minimum Payments Due Backlog Order or Production Backlog [Member] Basis for Presentation Basis for Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Other current liabilities Other Current Liabilities [Member] Other noncurrent liabilities Other Noncurrent Liabilities [Member] Other noncurrent assets Other Noncurrent Assets [Member] Adjustment for net gains (loss) realized and included in net income Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Other current assets Other Current Assets [Member] Adjustment to pension liability, net of tax Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Adjustment for net gains/losses realized and included in net income, net of tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Other assets Other Assets, Noncurrent Other purchased intangibles Other Intangible Assets [Member] Other Assets, Miscellaneous, Noncurrent Miscellaneous other assets Other assets Change in fair value of available-for-sale securities Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Net unrealized gains/losses from cash flow hedges, net of tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Change in fair value of cash flow hedges, net of tax Other income (expense) - net Other Nonoperating Income (Expense) Other non-current liabilities Other long-term liabilities Other Liabilities, Noncurrent Other current liabilities Other Liabilities, Current Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other comprehensive income: Change in net unrealized gain (loss) on available-for-sale securities, net of deferred tax Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent [Abstract] Change in net unrealized gains/losses from cash flow hedges: Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent [Abstract] Change in foreign currency translation Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Foreign currency translation Net unrealized gain (loss) on available-for-sale securities, net of deferred tax Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent Total change in unrealized gains/losses realized and included in net income, net of tax Net unrealized gain (loss) on available-for-sale securities, net of tax Net unrealized gains/losses from cash flow hedges, net of tax Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent Total change in unrealized gains/losses from cash flow hedges, net of tax Total other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total other comprehensive income (loss) Products and Services [Domain] Compensation expense paid Payments for Merger Related Costs Purchases of treasury stock Payments for Repurchase of Common Stock Other items - net Payments for (Proceeds from) Other Investing Activities Acquisition of businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Purchases of marketable securities Payments to Acquire Available-for-sale Securities Cash payments Payments for Restructuring Cash consideration paid Payments to Acquire Businesses, Gross Purchases of property, plant and equipment Capital expenditures Payments to Acquire Property, Plant, and Equipment Net additions to property, plant and equipment Dividends paid Payments of Dividends Dividends paid to shareholders Purchases of short-term investments Payments to Acquire Short-term Investments Contract awarded by Iran Pending Litigation [Member] Defined Benefit Pension Plans Pension Plan, Defined Benefit [Member] Pension and Other Postretirement Benefits Disclosure [Text Block] Pension Plans Defined Benefit Pension Plans Pension and Other Postretirement Plans, Policy [Policy Text Block] Plan Asset Categories [Domain] Preferred stock, par value Preferred Stock, No Par Value Preferred stock, no par value: Authorized--5,000 shares Issued and outstanding--none Preferred Stock, Value, Issued Preferred stock, Issued shares Preferred Stock, Shares Issued Preferred stock, Authorized shares Preferred Stock, Shares Authorized Preferred stock, outstanding shares Preferred Stock, Shares Outstanding Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Amount received from counterparty Proceeds from Derivative Instrument, Investing Activities Net change in restricted cash Proceeds from (Repayments of) Restricted Cash, Financing Activities Change in restricted cash Proceeds from long-term borrowings Proceeds from Issuance of Long-term Debt Maturities of available-for-sale securities Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities Proceeds from issuance of common stock Proceeds from Issuance of Common Stock Proceeds from sales or maturities of marketable securities Proceeds from Sale of Short-term Investments Proceeds from short-term borrowings Proceeds from Short-term Debt Sale of available-for-sale securities Proceeds from Sale of Available-for-sale Securities Products and Services [Axis] Net income Net income Net loss (income) after taxes Increase (decrease) in net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss after taxes Customer advances Progress Payments Netted Against Inventory for Long-term Contracts or Programs Property, plant and equipment, useful life Property, Plant and Equipment, Useful Life Property, plant and equipment, Gross Property, Plant and Equipment, Gross Property, Plant and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Property, plant and equipment - net Property, plant and equipment - net Property, Plant and Equipment, Net PROPERTY, PLANT AND EQUIPMENT Components of property, plant and equipment Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Axis] PROPERTY, PLANT AND EQUIPMENT Property, Plant and Equipment Disclosure [Text Block] PROPERTY, PLANT AND EQUIPMENT Property, Plant and Equipment [Line Items] Provision for Doubtful Accounts Allowance for doubtful accounts Nature of Error [Axis] SUMMARY OF QUARTERLY RESULTS OF OPERATIONS (UNAUDITED) Quarterly Financial Information [Text Block] SUMMARY OF QUARTERLY RESULTS OF OPERATIONS (UNAUDITED) Range [Axis] Range [Domain] Real Estate Real Estate [Member] Long-term contracts Accounts receivable under long-term contracts, current Receivables, Long-term Contracts or Programs Accounts receivable: Receivables, Net, Current [Abstract] Accounts Receivable ACCOUNTS RECEIVABLE Current accounts receivable Net accounts receivable Accounts receivable - net Receivables, Net, Current Net changes in the liability for unrecognized tax benefits Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Principal payments on short-term borrowings Repayments of Short-term Debt Principal payments on long-term debt Repayments of Long-term Debt Research and development Research and Development Expense Research and Development Research and Development Expense, Policy [Policy Text Block] Adjustments Restatement Adjustment [Member] Restricted cash Restricted Cash and Cash Equivalents RSUs Restricted stock units Restricted Stock Units (RSUs) [Member] Restricted cash Restricted Cash and Cash Equivalents, Current Restructuring costs Accrued costs Restructuring Charges Reduction in employee headcount Restructuring and Related Cost, Number of Positions Eliminated Restructuring Type [Axis] Liability at the beginning of the period Liability at the end of the period Liability at the beginning of the period Restructuring Reserve Restructuring liability Restructuring Reserve [Roll Forward] Restructuring plan Restructuring Cost and Reserve [Line Items] Retained Earnings Retained Earnings [Member] Retained earnings Retained Earnings (Accumulated Deficit) Revenue recognition Revenue Recognition [Abstract] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Business segment financial data Revenues from External Customers and Long-Lived Assets [Line Items] Vesting percentage of award Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Schedule of estimated amortization expense related to acquisition Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of expected amortization of purchased intangibles for each of the next five years Products Sales Revenue, Goods, Net Total net sales Net sales Sales Revenue, Net Net sales: Revenue, Net [Abstract] Services Sales Revenue, Services, Net Previously Reported Scenario, Previously Reported [Member] Adjustment Scenario, Adjustment [Member] Expected Scenario, Forecast [Member] Forecast Scenario, Unspecified [Domain] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of estimated fair values of the assets acquired and liabilities assumed at the acquisition date Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Summary of assets and liabilities measured and recorded at fair value on Balance Sheet on a recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Components of net periodic pension cost (benefit) Schedule of Net Benefit Costs [Table Text Block] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of projected benefit obligation, ABO and fair value of plan assets for the defined benefit pension plans in which the ABO was in excess of the fair value of plan assets Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block] Summary of RSU activity Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Schedule of gains and losses recognized in other comprehensive income (OCI) on derivative financial instruments designated as cash flow hedges Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block] Schedule of target ranges for each major category of the plans' assets Schedule of Allocation of Plan Assets [Table Text Block] Significant components of the provision for income taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block] Schedule of changes during the fiscal year in the fair value of plan assets categorized as Level 3 Schedule of entity's purchased intangible assets Schedule of Intangible Assets and Goodwill [Table Text Block] Components of inventories Schedule of Inventory, Current [Table Text Block] Reconciliation of income tax computed at the U.S. federal statutory tax rate to income tax expense Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Components of income (loss) before income taxes Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Significant components of deferred tax assets and liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of notional principal amounts of the outstanding derivative instruments Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Schedule of estimated fair value and carrying value of long-term debt Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Schedule of Change in Accounting Estimate [Table] Summary of future minimum payments, net of minimum sublease income, under noncancelable operating leases Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Summary of quarterly results of operations Schedule of Quarterly Financial Information [Table Text Block] Schedule of computation of basic and diluted EPS Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of stock-based compensation expense related to stock-based awards Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Schedule of weighted-average assumptions used to determine benefit obligation and net periodic benefit cost Schedule of Assumptions Used [Table Text Block] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of comprehensive income Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of expected pension benefit payments, which reflect expected future service Schedule of Expected Benefit Payments [Table Text Block] Schedule of long-term debt Schedule of Long-term Debt Instruments [Table Text Block] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Schedule of long-lived assets by country Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of changes in the carrying amount of goodwill Schedule of Goodwill [Table Text Block] Schedule of Goodwill [Table] Schedule of business segment financial data Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Restructuring and Related Costs [Table] Property, Plant and Equipment [Table] Rollforward of restructuring liability Restructuring and Related Costs [Table Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of sales by geographic area Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of fair value of derivative financial instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of the activities of TranSys included in entity's consolidated results Schedule of Variable Interest Entities [Table Text Block] Schedule of components of accounts receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of Variable Interest Entities [Table] Revenue recognition Segment Reporting Information [Line Items] Segments [Domain] Segment Information Segment Information Segment Reporting Disclosure [Text Block] Geographical [Domain] Self-insurance liabilities Self Insurance Reserve, Current Selling, general and administrative Selling, General and Administrative Expenses [Member] Selling, general and administrative expenses Selling, general and administrative Selling, General and Administrative Expense Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Number of units granted (in shares) Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Balance unvested at the beginning of the period (in shares) Balance unvested at the end of the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Vested (in shares) Awards vested (in shares) Awards vested (in shares) Share-based compensation expense Share-based Compensation Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Vesting period Stock-Based Compensation Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Weighted-average grant date fair value (in dollars per share) Balance unvested at the beginning of the period (in dollars per share) Balance unvested at the end of the period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Aggregate fair value of awards Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Shares available for future grants Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Equity Award [Domain] Balance (in shares) Shares, Issued Balance (in shares) Short-term Investments Short-term investments Short-term Debt Short-term borrowings Short term borrowings Short-term Debt [Abstract] Estimated unrecognized tax benefits resulting from possible resolution of reviews by domestic and international taxing authorities Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Scenario [Axis] Statement [Table] Statement [Line Items] Statement CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY Geographical [Axis] CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Equity Components [Axis] CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME CONDENSED CONSOLIDATED BALANCE SHEETS Segments [Axis] Stock Issued During Period, Shares, Period Increase (Decrease) Stock issued under equity incentive plan (in shares) Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Stock- based compensation Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Shareholders' equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Stockholders' Equity, Period Increase (Decrease) Stockholders' Equity Attributable to Parent Shareholders' equity related to Cubic Total shareholders' equity Balance Balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Stockholders' Equity Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Subsequent Events Subsequent Events [Text Block] Subsequent Events Subsequent Event [Table] Subsequent Events Subsequent Event [Line Items] Subsequent event Subsequent Event [Member] Subsequent Event Type [Domain] Subsequent Event Type [Axis] Net changes in the liability for unrecognized tax benefits Summary of Income Tax Contingencies [Table Text Block] Balance Sheet Details Supplemental Balance Sheet Disclosures [Text Block] Supplemental disclosure of non-cash investing and financing activities: Supplemental Cash Flow Information [Abstract] Unused state tax credits Tax Credit Carryforward, Deferred Tax Asset Corporate trade names Trade Names [Member] Accounts Receivable Trade and Other Accounts Receivable, Policy [Policy Text Block] Purchase of treasury stock Treasury Stock, Value, Acquired, Cost Method Treasury stock, shares Treasury Stock, Shares Treasury Stock Treasury Stock [Member] Treasury Stock Transactions, Excluding Value of Shares Reissued [Abstract] Treasury stock at cost - 8,945 shares Treasury stock at cost Treasury Stock, Value Type of Restructuring [Domain] Recoverable costs and accrued profits on progress completed--not billed Unbilled Unbilled Contracts Receivable Approximate amount of undistributed earnings of all the entity's foreign subsidiaries Undistributed Earnings of Foreign Subsidiaries Change in the fair value of derivative Unrealized Gain (Loss) on Derivatives Tax positions related to current year acquisitions Unrecognized Tax Benefits, Increase Resulting from Acquisition Tax positions related to the current year Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Settlements with taxing authorities Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Unrecognized tax benefits from permanent tax adjustments that, if recognized, would affect the effective rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Recognition of benefits from expiration of statutes Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Unrecognized tax benefits, exclusive of interest and penalties Unrecognized Tax Benefits Balance at the beginning of the period Balance at the end of the period Unrecognized tax benefits related to settlements with taxing authorities Unrecognized Tax Benefits, Increase Resulting from Settlements with Taxing Authorities Interest and penalties accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Senior unsecured notes Unsecured Debt [Member] Use of Estimates Use of Estimates, Policy [Policy Text Block] Short-term investments -U.S. government agency US Government Agencies Debt Securities [Member] Vesting [Axis] Vesting [Domain] Valuation Technique [Axis] Valuation Technique [Domain] Assets and liabilities included in the entity's consolidated balance sheets Variable Interest Entity, Consolidated, Carrying Amount, Assets and Liabilities, Net [Abstract] Total assets Variable Interest Entity, Consolidated, Carrying Amount, Assets Variable Interest Entities [Axis] TranSys prior to consolidation Variable Interest Entity, Not Primary Beneficiary [Member] Transaction Systems Limited (TranSys) Variable Interest Entity, Primary Beneficiary [Member] Total liabilities Variable Interest Entity, Consolidated, Carrying Amount, Liabilities Investment in variable interest entity Variable Interest Entity [Line Items] Consolidation of variable interest entity Consolidation of variable interest entity Variable Interest Entity, Initial Consolidation, Gain (Loss) Percentage of common stock owned by the entity Percentage of common stock owned by the entity (as a percent) Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Weighted Average Weighted Average [Member] Weighted average shares used in per share calculations: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Weighted average shares - basic Weighted Average Number of Shares Outstanding, Basic Weighted average shares - basic Diluted (in shares) Dilutive shares (in shares) Weighted average shares - diluted Weighted Average Number of Shares Outstanding, Diluted