Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Non-compete agreements Noncompete Agreements [Member] Customer relationships Customer Relationships [Member] Trademarks/Tradenames Trademarks and Trade Names [Member] Unpatented technology Unpatented Technology [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Summary of Intangible Assets, net Finite-Lived Intangible Assets, Net [Abstract] Amortization Period in Months Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Gross Carrying Amount Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Accumulated Impairments Finite Lived Intangible Assets Accumulated Impairment Finite lived intangible assets accumulated impairment. Net Carrying Value Finite-Lived Intangible Assets, Net Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Selling, General and Administrative Expenses Selling, General and Administrative Expenses [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Aubrey Group Inc. Aubrey Group Inc. [Member] Aubrey Group Inc. [Member] Beckwood Services Inc. Beckwood Services Inc. [Member] Beckwood Services Inc. [Member] Aydin Displaces Inc. Aydin Displaces Inc. [Member] Aydin Displaces Inc. [Member] Creonix LLC Creonix LLC [Member] Creonix LLC [Member] Onyx EMS, LLC Onyx EMS, LLC [Member] Onyx EMS, LLC [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Purchase price Payments to Acquire Businesses, Gross Projected annualized revenue Business Acquisition, Pro Forma Revenue Cash in escrow Business Acquisition, Cost of Acquired Entity, Escrow Cash Business Acquisition, Cost of Acquired Entity, Escrow Cash Additional cash consideration for post-closing working capital adjustment Business Acquisition Cost Of Acquired Entity Additional Cash Paid For Net Working Capital Business Acquisition Cost Of Acquired Entity Additional Cash Paid For Net Working Capital Recognized accounts receivable Business Combination, Consideration Transferred, Other Goodwill Goodwill Net sales Revenue, Net Provision for (benefit from) income taxes Income Tax Expense (Benefit) Acquisition related selling and administrative costs Business Combination, Acquisition Related Costs Income before provision for income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Total purchase consideration Business Combination, Consideration Transferred Acquisition gain Business Combination, Bargain Purchase, Gain Recognized, Amount Property, Plant and Equipment [Abstract] Property, plant and equipment, net Property, Plant and Equipment [Table Text Block] Defined Benefit and Defined Contribution Pension Plans Disclosure [Abstract] Defined benefit and defined contribution pension plans disclosure. Change in prepaid (accrued) benefit cost: Defined Benefit Plan, Net Periodic Benefit Cost [Abstract] Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Expected return on plan assets Defined Benefit Plan, Expected Return on Plan Assets Amortization of prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Amortization of unrecognized net actuarial loss Defined Benefit Plan, Amortization of Gains (Losses) Net periodic benefit (income) cost Defined Benefit Plan, Net Periodic Benefit Cost Pro rata recognition of lump-sum settlements Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements Total periodic pension (income) expense Defined Benefit Plan Periodic Pension Expenses Defined Benefit Plan Periodic Pension Expenses. Property, Plant and Equipment, net Property, Plant and Equipment Disclosure [Text Block] Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan Weighted Average Assumptions Used in calculating Benefit Obligation [Axis] Defined Benefit Plan Weighted Average Assumptions Used In Calculating Benefit Obligation [Axis] Defined Benefit Plan Weighted Average Assumptions used in Calculating Benefit Obligation Axis. Defined Benefit Plan Weighted Average Assumptions Used in calculating Benefit Obligation [Domain] Defined Benefit Plan Weighted Average Assumptions Used in calculating Benefit Obligation [Domain] Defined Benefit Plan Weighted Average Assumptions used in calculating Benefit Obligation Domain. Benefit Obligation Benefit Obligation [Member] Benefit Obligation Member. Benefit Cost Net Periodic Benefit [Member] Net Periodic Benefit Member. Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Weighted average assumptions used to determine benefit obligations and net periodic benefit cost Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Rate of compensation increase Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Expected long-term rate on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Statement of Comprehensive Income [Abstract] Net income Net Income (Loss) Attributable to Parent Other comprehensive income (loss) - Change in unrecognized pension costs, net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Pension experience gain (loss), net of tax provision (benefit) of $82, $195 and $(534) for the years ended June 30, 2014, 2013 and 2012, respectively Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Net of Tax Amortization of unrecognized net actuarial loss, net of tax benefit of $47, $66 and $16 for the years ended June 30, 2014, 2013 and 2012, respectively Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Net of Tax Pro rata recognition of lump-sum settlements, net of tax provision of $31 for the year ended June 30, 2014 Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Transition Asset (Obligation), Net of Tax Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Business Geographic and Sales Concentration [Abstract] Business, Geographic and Sales Concentration. Business Geographic and Sales Concentration (Textual) [Abstract] Business Geographic and Sales Concentration (Textual) [Abstract] Business geographic and sales concentration. Sale of ASW devices and related engineering contract service Anti Submarine Warfare Devices And Related Engineering Contract Services Revenue Anti-submarine warfare devices and related engineering contract services revenue. Percentage of ASW devices and related engineering contract services sales to total net sale Percentage Of Anti Submarine Warfare Devices And Related Engineering Contract Services Sales To Net Sales Percentage of anti-submarine warfare devices and related engineering contract services sales to total net sales. Sales to individual customers in excess of 10% of total net sales Sales To Individual Customers [Table Text Block] Sales to individual customers. Net sales made to customers by country Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Capital expenditures net of accumulated depreciation by country Capital Expenditure Net by Geographical Segment [Table Text Block] Capital expenditure net by geographical segment. Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Stock options Employee Stock Option [Member] Restricted stock Restricted Stock [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Stock-based compensation expense by type of share-based award Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition [Abstract] Total stock-based compensation Allocated Share-based Compensation Expense Earnings Per Share [Abstract] Earnings per share Earnings Per Share, Basic and Diluted [Abstract] Net income Weighted average shares outstanding - Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Net effect of dilutive stock options (in shares) Incremental Common Shares Attributable to Dilutive Effect of Written Put Options Weighted average shares outstanding - Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Net income per share: Net Income Per Share [Abstract] Net income per share. Income per share - Basic (in dollars per share) Earnings Per Share, Basic Income per share - Diluted (in dollars per share) Earnings Per Share, Diluted Pension related amounts recognized in other comprehensive income (loss) Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax [Abstract] Amortization of prior service cost Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), before Tax Amortization of unrecognized net actuarial loss Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax Pro rata recognition of lump-sum settlements Other Comprehensive Income lump sum settlements of Defined Benefit Plans Other comprehensive income lump sum settlements of defined benefit Plans. Net actuarial gain (loss) Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax Total recognized in other comprehensive income (loss) Other Comprehensive Income Loss Pension Benefit Plans Adjustment Before Tax Other comprehensive income loss pension benefit plans adjustment before tax. Commitments and contingencies (Textual) [Abstract] Commitments and Contingencies (Textual) [Abstract] Commitments and contingencies. Rent expense Operating Leases, Rent Expense, Net Contingent rent expense Operating Leases, Rent Expense, Contingent Rentals Accrual amount of minimum future undiscounted financial liability related to Coors Road Property Accrual for Environmental Loss Contingencies Environmental remediation expense Noncash or Part Noncash, Environmental Remediation Expense Noncash or Part Noncash, Environmental Remediation Expense Environmental remediation Expected Reimbursements for Environmental Remediation Expected Reimbursements for Environmental Remediation Amount of financial liability included in other accrued expenses of current liability Accrued Environmental Loss Contingencies, Current Percentage of certain future environmental expenses over the threshold reimbursed Percentage Of Certain Future Environmental Expenses In Excess Percentage Of Certain Future Environmental Expenses In Excess Certain future environmental expenses threshold amount whose excess in percentage reimbursed Future Environmental Expenses Provision Future Environmental Expenses Provision Environmental expenses subject to reimbursement over the threshold incurred from the date of settlement Future Environmental Expenses Amount Extension In Provision Future Environmental Expenses Amount Extension In Provision Environmental remediation - indemnification asset Recorded Third-Party Environmental Recoveries, Amount Estimated additional possible future environmental remediation costs Estimated Additional Possible Future Environmental Remediation Costs Estimated Additional Possible Future Environmental Remediation Costs. Period for reimbursement before income taxes Period For Environmental Remediation Costs Period For Environmental Remediation Costs Environmental remediation, expected reimbursements from department of energy Environmental Remediation, Expected Reimbursements from Department of Energy Environmental Remediation, Expected Reimbursements from Department of Energy Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Land and land improvements Land and Land Improvements [Member] Buildings and building improvements Building and Building Improvements [Member] Machinery and equipment Machinery and Equipment [Member] Construction in progress Construction in Progress [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, plant and equipment, net Property, Plant and Equipment, Net [Abstract] Total property, plant and equipment Property, Plant and Equipment, Gross Less accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Total property, plant and equipment, net Property, Plant and Equipment, Net Summary of activities related to company's stock options granted Share Based Compensation Arrangement by Share Based Payment Award Options Outstanding and Weighted Average Exercise Price [Abstract] Share based compensation arrangement by share based payment award options outstanding and weighted average exercise price. Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Number of options, outstanding, beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Number of options, Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Number of options, Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Number of options, Forfeited (in shares) Stock Issued During Period, Shares, Share-based Compensation, Forfeited Number of options, Expired (in shares) Stock Issued During Period Shares Share Based Compensation Expired Stock issued during period shares share based compensation expired. Number of options, outstanding, ending balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Weighted average exercise price, outstanding, beginning balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted average exercise price, Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted average exercise price, Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted average exercise price, Forfeited (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Weighted average exercise price, Expired (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Weighted average exercise price, outstanding, ending balance (in dollars per share) Statement [Table] Statement [Table] Geographical [Axis] Geographical [Axis] Segment Geographical [Domain] Geographical [Domain] United States UNITED STATES Vietnam VIET NAM Canada CANADA Statement [Line Items] Statement [Line Items] Components of provision for income taxes Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] United States Current Federal Tax Expense (Benefit) Vietnam Current Foreign Tax Expense (Benefit) Canada State and local Current State and Local Tax Expense (Benefit) Provision for income taxes current, Total Current Income Tax Expense (Benefit) Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] United States Deferred Federal Income Tax Expense (Benefit) Vietnam Deferred Foreign Income Tax Expense (Benefit) Canada State and local Deferred State and Local Income Tax Expense (Benefit) Total provision for income taxes deferred Deferred Income Tax Expense (Benefit) Total components of provision for income taxes Allocation of the total consideration to assets acquired and liabilities assumed Schedule of Business Acquisitions, by Acquisition [Table Text Block] The combined results of operations of the Company and the acquired contract manufacturing businesses Business Acquisition, Pro Forma Information [Table Text Block] Segment Reporting [Abstract] Business Segments Segment Reporting Disclosure [Text Block] Inventory Disclosure [Abstract] Inventories and Cost of Contracts in Progress, net Inventory Disclosure [Text Block] Earnings per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Business, Geographic and Sales Concentration Business Geographic and Sales Concentration [Text Block] Description of risks that arise due to concentrations of operating facilities, revenues, assets, customers, vendors or the like in a certain geographic area either domestic or foreign and by major customers . The description may address risks inherent in the geographic area, and, at a minimum, informs users of the general nature of the risk, but excludes "Information about Geographic Areas" that may be disclosed elsewhere (for instance, segment disclosures). Statement of Cash Flows [Abstract] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Onyx Onyx [Member] Onyx [Member] Creonix Creonix [Member] Creonix [Member] Aydin Displays Aydin Displays [Member] Aydin Displays [Member] Beckwood Beckwood [Member] Beckwood [Member] Aubrey Aubrey [Member] Aubrey [Member] Cash Flows from Operating Activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation Depreciation Amortization of intangible assets Amortization of Intangible Assets Including Cost of Goods Sold Amortization Amortization of Intangible Assets Including Cost of Goods Sold Amortization Deferred income tax expense (benefit) Stock-based compensation expense Share-based Compensation EPA related - net environmental remediation Environmental Remediation Expense Gross profit effect of capitalized profit in inventory from acquisition Gross Profit Effect of Capitalized Profit in Inventory From Acquisition Gross Profit Effect of Capitalized Profit in Inventory From Acquisition Gain on sale of investment Gain on Sale of Investments Excess tax benefit from stock-based compensation Excess Tax Benefit from Share-based Compensation, Operating Activities Other Other Noncash Income (Expense) Changes in operating assets and liabilities, net of business acquisitions: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventories and cost of contracts in progress Increase (Decrease) in Inventories Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Performance based payments on customer contracts Increase (Decrease) in Billing in Excess of Cost of Earnings Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash Flows from Investing Activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Purchase of certain assets acquired Payments to Acquire Businesses, Net of Cash Acquired Purchases of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Proceeds from sale of property, plant and equipment Proceeds from Sale of Property, Plant, and Equipment Proceeds from sale of investment Proceeds from Sale of Investment Projects Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash Flows from Financing Activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Borrowings of long-term debt Proceeds from Issuance of Long-term Debt Repayments of long-term debt Repayments of Long-term Debt Payment of debt financing costs Payments of Debt Issuance Costs Repurchase of stock Payments for Repurchase of Common Stock Proceeds from the exercise of stock options Proceeds from Stock Options Exercised Excess tax benefit from stock-based compensation Excess Tax Benefit from Share-based Compensation, Financing Activities Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of year Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of year Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Cash paid for interest Interest Paid, Net Cash paid for income taxes Income Taxes Paid, Net Supplemental disclosure of non-cash investing activities: Noncash or Part Noncash Acquisition, Value of Assets Acquired [Abstract] Accounts receivable recognized in relation to purchase consideration adjustment Noncash or Part Noncash Acquisition, Accounts Receivable Acquired Summary of changes in benefit obligations, plan assets and funded status of the plan Changes in Benefit Obligations Plan Assets and Funded Status of Plan [Abstract] Changes in benefit obligations, plan assets and funded status of the plan. Change in prepaid benefit cost: Change in Prepaid Benefit Costs [Roll Forward] Change in Prepaid Benefit Costs [Roll Forward] Prepaid benefit cost at beginning of fiscal year Prepaid Benefit Cost Prepaid benefit cost. Net periodic benefit income (cost) for fiscal year Employer contributions to plan Defined Benefit Plan, Contributions by Employer Prepaid benefit cost at end of fiscal year Change in projected benefit obligation: Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Projected benefit obligation at beginning of fiscal year Defined Benefit Plan, Benefit Obligation Interest cost Actuarial experience and changes in assumptions Actuarial Experience and Changes in Assumptions Actuarial experience and changes in assumptions. Benefits paid Defined Benefit Plan, Benefits Paid Projected benefit obligation at end of fiscal year Change in plan assets: Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Fair value of plan assets at beginning of fiscal year Defined Benefit Plan, Fair Value of Plan Assets Employer contributions Actual return on plan assets Defined Benefit Plan, Actual Return on Plan Assets Fair value of plan assets at end of fiscal year Amounts recognized in the Consolidated Balance Sheets: Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract] Pension asset Defined Benefit Plan, Assets for Plan Benefits, Noncurrent Current portion of pension liability Pension and Other Postretirement Defined Benefit Plans, Current Liabilities Pension liability — non-current portion Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent Funded status — total balance sheet asset (liability) Defined Benefit Plan, Funded Status of Plan Quarterly Financial Information Disclosure [Abstract] Quarterly Results of Operations Schedule of Quarterly Financial Information [Table Text Block] Payments to Acquire Businesses, Net of Cash Acquired [Abstract] Payments to Acquire Businesses, Net of Cash Acquired [Abstract] Cash Recognized accounts receivable Total purchase consideration Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] Cash Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Accounts receivable, net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Inventories Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Deferred income taxes Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets, Current Other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Property, plant and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Intangible asset - non-compete agreements Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Deferred income taxes - non-current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets Noncurrent Accounts payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Other current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other Total assets acquired and liabilities assumed Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Document And Entity Information [Abstract] Document and Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Public Float Entity Public Float Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Pension plan Pension Plan [Member] Expected benefit payments for the defined benefit pension plan Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract] 2015 Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months 2016 Defined Benefit Plan, Expected Future Benefit Payments, Year Two 2017 Defined Benefit Plan, Expected Future Benefit Payments, Year Three 2018 Defined Benefit Plan, Expected Future Benefit Payments, Year Four 2019 Defined Benefit Plan, Expected Future Benefit Payments, Year Five 2019 – 2022 Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter Total Defined Benefit Plan Expected Future Benefit Payments Defined benefit plan expected future benefit payments. Accounting Changes and Error Corrections [Abstract] Schedule of New Accounting Pronouncements and Changes in Accounting Principles Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] Expiration Period [Axis] Expiration Period [Axis] Expiration Period [Axis] Expiration Period [Domain] Expiration Period [Domain] [Domain] for Expiration Period [Axis] Expiration Period One Expiration Period One [Member] Expiration Period One [Member] Expiration Period Two Expiration Period Two [Member] Expiration Period Two [Member] Expiration Period Three Expiration Period Three [Member] Expiration Period Three [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] 2001 Plan Two Zero Zero One Plan [Member] Two zero zero one plan. 2010 Plan Two Zero One Zero Plan [Member] Two zero one zero plan. Stock-Based Compensation (Textual) [Abstract] Stock-Based Compensation (Textual) [Abstract] Stock based compensation. Number of long-term incentive plans Number of Long Term Incentive Plans Number of long-term incentive plans. Description Share-based Compensation Arrangement by Share-based Payment Award, Description Plan terms Share Based Compensation Arrangement By Share Based Payment Award Period Terms Share Based Compensation Arrangement By Share Based Payment Award Period Terms Contractual term Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Termination date Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date Shares authorized (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Term of plan Share Based Compensation Arrangements by Share Based Payment Award Plan Term Share based compensation arrangements by share based payment award plan term. Shares available for award (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Grant of stock option (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Range of exercise price, maximum (in dollars per share) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit Aggregate intrinsic value, options outstanding Share Based Compensation Shares Authorized under Stock Option Plans Exercise Price Range Outstanding Options Intrinsic Value Share based compensation shares authorized under stock option plans exercise price range outstanding options intrinsic value. Weighted average remaining contractual life, options exercisable Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term Intrinsic value of options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Total fair value of restricted stock vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Other foreign countries Other Foreign Countries [Member] Other Foreign Countries. Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Sales to customers by country Sales to Customers By Country [Abstract] Sales to customers by country. Pension experience gain (loss), tax provision (benefit) Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Tax Amortization of unrecognized net actuarial loss, tax benefit (provision) Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Tax Pro rata recognition of lump-sum settlements, tax provision Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Transition Asset (Obligation), Tax Statement of Financial Position [Abstract] Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Preferred stock, no par value (in dollars per share) Preferred Stock, No Par Value Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares issued Preferred Stock, Shares Outstanding Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Common stock, shares outstanding Common Stock, Shares, Outstanding Stock-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Equity [Abstract] Class of Treasury Stock [Table] Class of Treasury Stock [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Common Stock Common Stock [Member] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Share Repurchase Program Share Repurchase Program [Member] Share Repurchase Program [Member] Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Stock Repurchase Plan (Textual) [Abstract] Stock Repurchase Plan (Textual) [Abstract] Stock repurchase plan. Repurchase of stock, authorized amount Stock Repurchase Program, Authorized Amount Period beginning on the date of authorization Stock Repurchase Program, Period in Force Payment for purchasing shares of common stock (in shares) Stock Repurchased and Retired During Period, Shares Average price of common stock per share (in dollars per share) Treasury Stock Acquired, Average Cost Per Share Repurchase of stock Treasury Stock, Retired, Cost Method, Amount Remaining stock available for repurchase Stock Repurchase Program, Remaining Authorized Repurchase Amount Schedule of Goodwill [Table] Schedule of Goodwill [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Medical Medical Device [Member] Medical Device [Member] CS Complex Systems [Member] Complex Systems [Member] DSS Defense And Security Systems [Member] Defense And Security Systems [Member] Goodwill [Line Items] Goodwill [Line Items] Goodwill [Roll Forward] Goodwill [Roll Forward] Carrying value and ending composition of goodwill Carrying Value and Ending Composition of Goodwill [Abstract] Carrying value and ending composition of goodwill. Goodwill, beginning of period Additions to goodwill during the period Goodwill, Acquired During Period Acquired goodwill Goodwill, Gross Accumulated impairment Goodwill, Impaired, Accumulated Impairment Loss Goodwill, end of period Accounting Policies [Abstract] Basis of presentation and principles of consolidation Basis of Presentation and Principles of Consolidation [Policy Text Block] Basis of presentation and principles of consolidation policy. Use of estimates Use of Estimates, Policy [Policy Text Block] Cash and cash equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Accounts receivable credit practices and allowances for doubtful accounts policy Accounts Receivable, Credit Practices, and Allowances for Doubtful Accounts [Policy Text Block] Accounts receivable credit practices and allowances for doubtful accounts policy. Inventories and costs of contracts in progress Inventory Costs for Contracts or Programs, Policy [Policy Text Block] Property, plant and equipment, net Property, Plant and Equipment, Policy [Policy Text Block] Other assets Other Assets [Policy Text Block] Other assets. Goodwill and intangible assets Goodwill and Intangible Assets, Policy [Policy Text Block] Impairment of long-lived assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Stock-based compensation Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Earnings per share Earnings Per Share, Policy [Policy Text Block] Income taxes Income Tax, Policy [Policy Text Block] ERAPSCO Agreement Erapsco Agreement [Policy Text Block] Erapsco Agreement Policy. Revenue recognition Revenue Recognition, Policy [Policy Text Block] Advertising Costs Advertising Costs, Policy [Policy Text Block] Research and development expenditures Research and Development Expense, Policy [Policy Text Block] Fair value measurements Fair Value of Financial Instruments, Policy [Policy Text Block] Market risk exposure Market Risk Exposure [Policy Text Block] Description of Company's exposure to 1) foreign exchange risk 2) global economic conditions and 3) interest rate risk. New accounting standards New Accounting Pronouncements, Policy [Policy Text Block] Business [Abstract] Business. Business Organization [Text Block] Organization. Other Assets [Table] Other Assets [Table] Other Assets [Table] Off-Market Favorable Lease Off-Market Favorable Lease [Member] Other Assets [Line Items] Other Assets [Line Items] [Line Items] for Other Assets [Table] Other noncurrent assets Other Assets, Noncurrent [Abstract] Deferred engineering and design costs - non-current Deferred Finance Costs, Noncurrent, Net Environmental remediation - indemnification asset Favorable leasehold - net Intangible Assets, Net (Excluding Goodwill) Deferred financing fees, net Deferred Finance Costs, Net Other Other Non Current Assets Other Other non current assets other. Total other non-current assets Other Assets, Noncurrent Restructuring and Related Activities [Abstract] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Employee Severance Employee Severance [Member] Production Transfer Production Transfer [Member] Production Transfer [Member] Facility Closing Facility Closing [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring or impairment charges related acquisition related restructuring activities Restructuring and Related Cost, Expected Cost Restructuring charges Restructuring and Related Cost, Cost Incurred to Date Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Prepaid Expenses and Other Current Assets Prepaid Expenses and Other Current Assets [Member] Byers Peak Byers Peak [Member] Byers Peak. Astro Astro [Member] Astro. Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Buildings and improvements Test equipment Test Equipment [Member] Test equipment. Related Party Transaction [Line Items] Related Party Transaction [Line Items] Summary of Significant Accounting Policies (Details Textual) [Abstract] Summary of Significant Accounting Policies (Details Textual) [Abstract] Summary of significant accounting policies details textual. Summary of Significant Accounting Policies (Textual) [Abstract] Summary of Significant Accounting Policies (Textual) [Abstract] Summary of significant accounting policies. Advanced billings reduced from inventory Advanced Billings Reduced From Inventory Advanced billings reduced from inventory. Advance billings on government contracts, current Advance Billings On Government Contracts Current Advance billings on government contracts, current. Inventory write-down Inventory Write-down Useful life Property, Plant and Equipment, Useful Life Deferred engineering and design costs Deferred Engineering and Design Costs Deferred Engineering and Design Costs Deferred costs incurred in connection with revolving line-of-credit Deferred Finance Costs, Gross Deferred costs amortized to interest expense over the period Deferred Costs Amortized To Interest Expense Over Period Deferred costs amortized to interest expense over the period. Amortized debt financing fees recognized and reported as interest expense Amortization of Financing Costs Number of reportable business segments Number of Reportable Segments Ownership Interest purchased Equity Method Investment, Ownership Percentage Number of employees of JV owners as Board Members of ERAPSCO Number Of Board Member Employees Number of employees of JV owners as Board Members of ERAPSCO. Rotating Terms of employees of ERAPSCO Rotating Terms of Employees of Erapsco Rotating Terms of employees of ERAPSCO. Aggregate contracts in percentage Aggregate Contracts In Percentage Aggregate contracts in percentage. Joint venture existence Joint Venture Existence Joint venture existence. Advertising expense Advertising Expense Internal research and development expenses Research and Development Expense Customer funded research and development costs Research and Development Arrangement with Federal Government, Customer Funding to Offset Costs Incurred Line of credit facility amount outstanding Long-term Line of Credit Increase in interest rate Long-term Debt, Increase in Interest Rate Long-term Debt, Increase in Interest Rate Increase in interest expense Long-term Debt, Increase in Interest Expense Long-term Debt, Increase in Interest Expense Future minimum annual lease payments Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] Additional cash consideration for post-closing working capital adjustment Property, plant and equipment Intangible assets — customer relationships Other long-term assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Deferred income taxes - non-current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities, Current Other current liabilities Total assets acquired and liabilities assumed Employee retirement benefit plans (Textual) [Abstract] Employee Retirement Benefit Plans (Textual) [Abstract] Employee retirement benefit plans. Number of employees and retirees covered by a defined benefit pension plan Defined Benefits Plan Number of Employees Covered Defined benefits plan number of employees covered. Amortized accumulated other comprehensive loss, pre-tax Other Comprehensive Income Reclassification Of Defined Benefit Plans Net Gain Loss Recognized In Net Periodic Benefit Cost Before Tax Over Next Twelve Other Comprehensive Income Reclassification of Defined Benefit Plans Net Gain Loss Recognized in Net Periodic Benefit Cost Before Tax Over Next Twelve. Participants maximum percentage contribution of compensation to company's defined contribution plan Participants Maximum Percentage Contribution of Compensation to Company's Defined Contribution Plan Participants maximum percentage contribution of compensation to company's defined contribution plan. Company's matching contributions of participant's basic contribution Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Participants maximum percentage of eligible compensation contribution for company's match Participants Maximum Percentage of Eligible Compensation Contribution for Company's Match Participants maximum percentage of eligible compensation contribution for company's match. Number of Sparton's Shares held in the Company's 401 (k) plan (in shares) Defined Contribution Plan Number Of Shares Held Defined contribution plan number of shares held. Company's matching contributions and administrative expenses Defined Contribution Plan, Administrative Expenses Total plan assets Defined Contribution Plan Assets Defined contribution plan assets. Capital expenditures net of accumulated depreciation by country Capital Expenditure Net by Geographical Segment [Abstract] Capital expenditure net by geographical segment. Property, plant and equipment, net Debt Disclosure [Abstract] Debt Debt Disclosure [Text Block] Employee Retirement Benefit Plans Pension and Other Postretirement Benefits Disclosure [Text Block] Quarterly Results of Operations Quarterly Financial Data [Abstract] Gross profit Gross Profit Unrecognized amounts in accumulated other comprehensive loss excluding tax effects Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract] Accumulated other comprehensive loss: Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax [Abstract] Net actuarial loss Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax Net prior service cost Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax Total Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax Acquisitions Business Combination Disclosure [Text Block] Components of net periodic pension expense Schedule of Net Benefit Costs [Table Text Block] Weighted average assumptions used to determine benefit obligations and net periodic benefit cost Schedule of Assumptions Used [Table Text Block] Summary of changes in benefit obligations, plan assets and funded status of the plan Summary of Changes in Benefit Obligations Plan Assets and Funded Status of Plan [Table Text Block] Summary of changes in benefit obligations, plan assets and funded status of the plan. Pension related amounts recognized in other comprehensive income (loss), excluding tax effects Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] Unrecognized amounts in accumulated other comprehensive loss Defined Benefit Plan Unrecognized Amount in Accumulated Other Comprehensive Income Before Tax Table Text Block DefinedBenefitPlanUnrecognizedAmountInAccumulatedOtherComprehensiveIncomeBeforeTaxTableTextBlock Expected benefit payments for the defined benefit pension plan Schedule of Expected Benefit Payments [Table Text Block] Summary of pension plan asset allocations Schedule of Allocation of Plan Assets [Table Text Block] Estimated fair value of plan assets by asset class Defined Benefit Plan Fair Value Of Plan Assets [Table Text Block] Defined Benefit Plan Fair Value of Plan Assets Table Text Block. Earnings (Loss) Per Share Data (Textual) [Abstract] Earnings (Loss) Per Share Data (Textual) [Abstract] Earnings loss per share data. Unvested restricted shares included in determining basic and diluted earnings (in shares) Incremental Common Shares Attributable to Participating Nonvested Shares with Non-forfeitable Dividend Rights Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Adjustments for New Accounting Pronouncement Adjustments for New Accounting Pronouncement [Member] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Adjustment Restatement Adjustment [Member] Error Corrections and Prior Period Adjustments Restatement [Line Items] Error Corrections and Prior Period Adjustments Restatement [Line Items] Gross profit Income per share of common stock: Basic (in dollars per share) Valuation and Qualifying Accounts [Abstract] Valuation and Qualifying Accounts Disclosure [Table] Valuation and Qualifying Accounts Disclosure [Table] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves Type [Axis] Valuation Allowances and Reserves [Domain] Valuation Allowances and Reserves [Domain] Allowance for losses on accounts receivable Allowance for Doubtful Accounts [Member] Valuation and Qualifying Accounts Disclosure [Line Items] Valuation and Qualifying Accounts Disclosure [Line Items] Movement in Valuation Allowances and Reserves [Roll Forward] Movement in Valuation Allowances and Reserves [Roll Forward] Balance at Beginning of Period Valuation Allowances and Reserves, Balance Additions Charged to Costs and Expenses Valuation Allowances and Reserves, Charged to Cost and Expense Allowance for Losses Acquired Valuation Allowances and Reserves, Charged to Other Accounts Write-Offs/ Dispositions Valuation Allowances and Reserves, Deductions Balance at End of Period Quarterly Results of Operations (Unaudited) Quarterly Financial Information [Text Block] Aggregate amortization expense relative to existing intangible assets Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] 2015 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Stock Repurchase Plan Stock Repurchase Plan [Text Block] Stock repurchase plan. Statement of Stockholders' Equity [Abstract] As Originally Reported (a) Scenario, Previously Reported [Member] Statement, Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Capital In Excess of Par Value Additional Paid-in Capital [Member] Retained Earnings Retained Earnings [Member] Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Income (Loss) [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning balance Stockholders' Equity Attributable to Parent Beginning balance (in shares) Cumulative impact of change in accounting principle Cumulative Effect of Prospective Application of New Accounting Principle Issuance of stock (in shares) Stock Issued During Period, Shares, Share-based Compensation, Gross Issuance of stock Stock Issued During Period, Value, Share-based Compensation, Gross Forfeiture of restricted stock (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Forfeiture of restricted stock Stock Issued During Period, Value, Restricted Stock Award, Forfeitures Repurchase of stock (in shares) Repurchase of stock Stock Repurchased and Retired During Period, Value Exercise of stock options (in shares) Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Stock-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Excess tax benefit from stock-based compensation Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Comprehensive income, net of tax Ending balance Ending balance (in shares) Defined Benefit Plan, Asset Categories [Axis] Defined Benefit Plan, Asset Categories [Axis] Plan Asset Categories [Domain] Plan Asset Categories [Domain] Equity securities Equity Securities [Member] Fixed income (debt) securities US Treasury Securities [Member] Cash and cash equivalents Cash and Cash Equivalents [Member] Summary of pension plan asset allocations Defined Benefit Plan, Information about Plan Assets [Abstract] Target plan asset allocation, minimum Defined Benefit Plan, Target Plan Asset Allocations Range Minimum Target plan asset allocation, maximum Defined Benefit Plan, Target Plan Asset Allocations Range Maximum Weighted average allocation Defined Benefit Plan, Actual Plan Asset Allocations Inventories Other long-term assets - favorable leasehold Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets, Favorable Leasehold Improvements Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets, Favorable Leasehold Improvements Income Statement [Abstract] Cost of goods sold Cost of Goods Sold Gross profit Operating expense: Operating Expenses [Abstract] Selling and administrative expenses Selling, General and Administrative Expense Amortization of intangible assets Amortization of Intangible Assets Restructuring charges Restructuring, Settlement and Impairment Provisions Other operating (income) expense, net Other Cost and Expense, Operating Total operating expense, net Operating Expenses Operating income Operating Income (Loss) Other income (expense): Nonoperating Income (Expense) [Abstract] Interest expense Interest Expense Interest income Investment Income, Interest Gain on sale of investment Other, net Other Nonoperating Income (Expense) Total other income (expense), net Nonoperating Income (Expense) Income before provision for income taxes Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Provision for income taxes Net income Income per share of common stock: Income per share of common stock: Diluted (in dollars per share) Weighted average shares of common stock outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average shares outstanding - Diluted (in shares) Earnings Per Share Data Earnings Per Share [Text Block] Income (loss) before income taxes by country Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Components of provision for income taxes Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Effective Income Tax Rate Reconciliation to Statutory Income Tax Rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Components of deferred tax assets and liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Net Deferred Income Tax Assets By Balance Sheets Location Schedule of Net Deferred Income Tax Assets by Balance Sheets Location [Table Text Block] Schedule of net deferred income tax assets by balance sheets location. Schedule of unrecognized tax benefits roll forward Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Assets Assets [Abstract] Current Assets: Assets, Current [Abstract] Cash and cash equivalents Accounts receivable, net of allowance for doubtful accounts of $126 and $61, respectively Accounts Receivable, Net, Current Inventories and cost of contracts in progress, net Inventory, Net Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Goodwill Other intangible assets, net Deferred income taxes — non-current Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Other non-current assets Total assets Assets Liabilities and Shareholders’ Equity Liabilities and Equity [Abstract] Current Liabilities: Liabilities, Current [Abstract] Current portion of long-term debt Long-term Debt, Current Maturities Accounts payable Accounts Payable, Current Accrued salaries and wages Employee-related Liabilities, Current Accrued health benefits Accrued Employee Benefits, Current Performance based payments on customer contracts Billings in Excess of Cost, Current Other accrued expenses Other Accrued Liabilities, Current Total current liabilities Liabilities, Current Pension liability — non-current portion Long-term debt — non-current portion Long-term Debt, Excluding Current Maturities Environmental remediation — non-current portion Accrued Environmental Loss Contingencies, Noncurrent Total liabilities Liabilities Commitments and contingencies Commitments and Contingencies Shareholders’ Equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, no par value; 200,000 shares authorized; none issued Preferred Stock, Value, Issued Common stock, $1.25 par value; 15,000,000 shares authorized, 10,129,031 and 10,095,716 shares issued and outstanding, respectively Common Stock, Value, Issued Capital in excess of par value Additional Paid in Capital Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total shareholders’ equity Total liabilities and shareholders’ equity Liabilities and Equity Classifications of inventory, net of interim billings Schedule of Inventory, Current [Table Text Block] Nature and amount of all restructuring actions Restructuring and Related Costs [Table Text Block] Income Tax Contingency [Table] Income Tax Contingency [Table] CANADA VIET NAM Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] State and Local Jurisdiction State and Local Jurisdiction [Member] Foreign Tax Authority Foreign Tax Authority [Member] Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Deferred tax asset related to federal net operating losses Deferred Tax Assets, Operating Loss Carryforwards, Domestic Deferred tax asset related to state net operating losses Deferred Tax Assets, Operating Loss Carryforwards, State and Local Capital loss carryover Deferred Tax Assets, Capital Loss Carryforwards Income tax carryover Deferred Tax Assets, Income Tax Carryovers Deferred Tax Assets, Income Tax Carryovers Deferred tax assets gross, foreign Deferred Tax Assets, Operating Loss Carryforwards, Foreign Tax holiday tax rate for fiscal years 2012 to 2015 Tax Holiday Tax Rate Tax holiday tax rate. Incentive tax rate Employee Size, Incentive Tax Rate Employee Size, Incentive Tax Rate Number of employees Number of Employees, Maximum to Receive Tax Incentive Number of Employees, Maximum to Receive Tax Incentive Income tax effect on Net Income Income Tax Expense (Benefit), Effect on Net Income Income Tax Expense (Benefit), Effect on Net Income Income tax effect on earnings per share, basic and diluted ( in dollars per share) Income Tax Expense (Benefit), Effect on Earnings Per Share, Basic and Diluted Income Tax Expense (Benefit), Effect on Earnings Per Share, Basic and Diluted Income tax benefit Acquired tax positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Unrecognized tax benefits Unrecognized Tax Benefits Goodwill and Other Intangible Assets (Textual) [Abstract] Goodwill and Other Intangible Assets (Textual) [Abstract] Goodwill and other intangible assets. Goodwill impairment Goodwill, Impairment Loss Costs to renew or alter the term of intangible assets Finite-Lived Intangible Assets, Cost Incurred to Renew or Extend Amortization of intangible assets Change in Accounting Principle New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Future minimum annual lease payments Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2015 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2016 Operating Leases, Future Minimum Payments, Due in Two Years 2017 Operating Leases, Future Minimum Payments, Due in Three Years 2018 Operating Leases, Future Minimum Payments, Due in Four Years 2019 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total Operating Leases, Future Minimum Payments Due Components of deferred tax assets and liabilities Components of Deferred Tax Assets and Liabilities [Abstract] Deferred tax assets: Components of Deferred Tax Assets [Abstract] Intangible assets Deferred Tax Assets Tax Deferred Expense Reserves and Accruals Impairment Losses on Intangible Assets Deferred tax assets tax deferred expense reserves and accruals impairment losses on intangible assets. Goodwill Deferred Tax Assets Tax Deferred Expense Reserves and Accruals Impairment Losses on Goodwill Assets Deferred tax assets tax deferred expense reserves and accruals impairment losses on goodwill assets Environmental remediation Deferred Tax Assets Tax Deferred Expense Reserves and Accruals on Environmental Remediation Deferred tax assets tax deferred expense reserves and accruals on environmental remediation. Inventories Deferred Tax Assets, Inventory Employment and compensation accruals Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation State tax carryovers Deferred Tax Assets, State Taxes Canadian tax benefits Pension liability Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Restructuring accruals Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Restructuring Charges Other Deferred Tax Assets, Other Gross deferred tax assets Deferred Tax Assets, Gross Less valuation allowance Deferred Tax Assets, Valuation Allowance Total deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Property, plant and equipment Deferred Tax Liabilities, Property, Plant and Equipment Intangible assets Deferred Tax Liabilities, Intangible Assets Pension asset Deferred Tax Liabilities, Tax Deferred Expense, Compensation and Benefits, Employee Compensation Deferred Tax Liabilities, Tax Deferred Expense, Compensation and Benefits, Employee Compensation Other Deferred Tax Liabilities, Other Gross deferred tax liabilities Deferred Tax Liabilities, Gross Net deferred tax assets Deferred Tax Assets, Net Workforce Reduction (principally severance and retention bonuses) Nature and amount of all restructuring actions Restructuring Reserve [Roll Forward] Accrual, Beginning balance Restructuring Reserve, Current Restructuring charges Restructuring Charges Less: cash payments Payments for Restructuring Restructuring reversals Restructuring Reserve, Accrual Adjustment Accrual, Ending balance New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Net sales Cost of goods sold Weighted average shares outstanding - Basic (in shares) Weighted average shares outstanding - Diluted (in shares) Inventories Deferred income taxes Performance based payments on customer contracts Retained earnings Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Industrial Development Revenue Bond Industrial Development Revenue Bond [Member] Industrial Development Revenue Bond [Member] Short-term Debt, Type [Axis] Short-term Debt, Type [Axis] Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] Libor Rate Libor Rate [Member] Libor Rate [Member] Bank Base Rate Bank Base Rate [Member] Bank Base Rate [Member] Letter of Credit Letter of Credit [Member] Acquisition Credit Facility Acquisition Credit Facility [Member] Acquisition Credit Facility [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Long term debt issued Long Term Debt Issued Long Term Debt Issued Minimum rate of interest dependent on the maturity date of the bonds Debt Instrument, Interest Rate, Effective Percentage Rate Range, Minimum Maximum rate of interest dependent on the maturity date of the bonds Debt Instrument, Interest Rate, Effective Percentage Rate Range, Maximum Debt discount on notes acquired Debt Discount On Notes Acquired Debt Discount On Notes Acquired Maximum borrowing availability under a revolving line-of-credit facility Line of Credit Facility, Current Borrowing Capacity Additional borrowing capacity Credit Facility, Additional Borrowing Capacity Credit Facility, Additional Borrowing Capacity Additional revolving credit loan Proceeds from Lines of Credit Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Amortization Percentage Debt Instrument Amortization Percentage Debt Instrument Amortization Percentage Effective interest rate on outstanding borrowings under the Credit Facility Line of Credit Facility, Interest Rate at Period End Unused commitment fees Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Directly held corporate stock — Large Cap Directly Held Corporate Stock Large Cap [Member] Directly held corporate stock - Large Cap. Registered investment companies — Large Cap Registered Investment Companies Mid Cap Value [Member] Registered investment companies - Mid-Cap Value. Registered investment companies — Mid-Cap Growth Registered Investment Companies Mid Cap Growth [Member] Registered investment companies - Mid-Cap Growth. Registered investment companies — Small-Cap Registered Investment Companies Small Cap [Member] Registered investment companies - Small-Cap Registered investment companies — International Registered Investment Companies International [Member] Registered investment companies - International. Registered investment companies — Intermediate Bond Registered Investment Companies Intermediate Bond [Member] Registered investment companies - Intermediate Bond. Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 1 Fair Value, Inputs, Level 1 [Member] Estimated fair value of plan assets by asset class Defined Benefit Plan Fair Value of Plan Assets [Abstract] Defined Benefit Plan Fair Value Of Plan Assets Abstract. Total assets measured at fair value Schedule of Business Geographic and Sales Concentration [Table] Schedule of Business Geographic and Sales Concentration [Table] Schedule of business geographic and sales concentration. Business Geographic and Sales Concentration [Axis] Business Geographic and Sales Concentration [Axis] Business, geographic and sales concentration. Companies [Domain] Companies [Domain] Companies US Navy Us Navy [Member] US Navy. Fenwal Blood Technologies Fenwal Blood Technologies [Member] Fenwal blood technologies. Siemens Diagnostic Siemens Diagnostic [Member] Siemens diagnostic. Business Geographic and Sales Concentration [Line Items] Business Geographic and Sales Concentration [Line Items] Business geographic and sales concentration. Sales to individual customers in excess of 10% of total net sales Sales to Individual Customers [Abstract] Sales to individual customers. Sales to individual customers in excess of 10% of total net sales Sales to Individual Customers Above Ten Percent Sales to individual customers above ten percent. Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Balance, beginning of period Acquired tax positions Unrecognized Tax Benefits, Decrease Resulting from Acquisition Reductions due to settlements and payments Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions Reductions related to prior-year tax positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Balance, end of period Unrecognized compensation cost related to restricted stock grants and the fair value expense of stock option awards Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Abstract] Remaining unrecognized compensation cost, fair value expense of stock option awards Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options Remaining unrecognized compensation cost, restricted stock Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options Remaining unrecognized compensation cost, Total Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Weighted average remaining required service period, stock option awards Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted average remaining required service period, restricted stock Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Weighted average remaining required service period, restricted stock, Total Share Based Compensation Arrangement by Share Based Payment Award Options Weighted Average Remaining Contractual Term Share based compensation arrangement by share based payment award options weighted average remaining contractual term. Net sales Income before provision for income taxes Business Acquisitions Pro Forma Income (Loss) Before Income Taxes Business acquisitions pro forma income (loss) before income taxes. Net income Business Acquisition, Pro Forma Net Income (Loss) Net income per share — basic (in dollars per share) Business Acquisition, Pro Forma Earnings Per Share, Basic Net income per share — diluted (in dollars per share) Business Acquisition, Pro Forma Earnings Per Share, Diluted Subsequent Events [Abstract] Subsequent Event Subsequent Events [Text Block] Operating results and other financial information by segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] CS Corporate and Other Unallocated Corporate and Other [Member] Eliminations Intersegment Eliminations [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Operating results and other financial information by segment Segment Reporting Information, Profit (Loss) [Abstract] Operating income (loss) Selling and administrative expenses Internal research and development expenses Depreciation Depreciation, Depletion and Amortization Capital expenditures Total assets Summary of Long-term debt, net Schedule of Debt [Table Text Block] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event [Line Items] Subsequent Event [Line Items] Stock-based compensation expense by type of share-based award Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Unrecognized compensation cost related to restricted stock grants and the fair value expense of stock option awards Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block] Summary of activities related to company's stock options granted Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Shares granted under long-term incentive plans Schedule of Share Based Compensation Restricted Stock Award Activity [Table Text Block] Schedule of share based compensation restricted stock award activity. Effective Income Tax Rate Reconciliation to Statutory Income Tax Rate Effective Income Tax Rate Reconciliation, Percent [Abstract] Statutory U.S. federal income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Significant increases (reductions) resulting from: Factors Resulting Significant Increases Reductions In Income Tax Rates [Abstract] Factors resulting significant increases reductions in income tax rates . Changes in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Changes in valuation allowance Effective Income Tax Rate Reconciliation, Activities Deduction Effective Income Tax Rate Reconciliation, Activities Deduction Vietnam tax rate differences Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Percent State and local income taxes, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Canadian worthless stock and bad debt deduction Effective Income Tax Rate Reconciliation, Foreign Bad Debt Effective Income Tax Rate Reconciliation, Foreign Bad Debt Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Shares granted under long-term incentive plans Share Based Compensation Restricted Stock Award Activity [Abstract] Share based compensation restricted stock award activity. Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Restricted shares, beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Restricted shares, granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Restricted shares, vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Restricted shares, forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Restricted shares, ending balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Restricted shares, weighted average grant date fair value, beginning balance (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 Restricted shares, granted, weighted average grant date fair value (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 Restricted shares, vested, weighted average grant date fair value (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 Restricted shares, forfeited, weighted average grant date fair value (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 Restricted shares, weighted average grant date fair value, ending balance (in dollars per share) VALUATION AND QUALIFYING ACCOUNTS Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Other noncurrent assets Schedule of Other Assets, Noncurrent [Table Text Block] Restructuring Activities Restructuring and Related Activities Disclosure [Text Block] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Income (loss) before income taxes by Country Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract] Income (loss) before income taxes, Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Income (loss) before income taxes, Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Income (loss) before income taxes Carrying value and ending composition of goodwill Schedule of Goodwill [Table Text Block] Aggregate amortization expense relative to existing intangible assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Summary of Intangible Assets, net Schedule of Finite-Lived Intangible Assets [Table Text Block] Classifications of inventory, net of interim billings Inventory, Net [Abstract] Raw materials Inventory, Raw Materials, Gross Work in process Inventory, Work in Process, Gross Finished goods Inventory, Finished Goods, Gross Total inventory and cost of contracts in progress, gross Inventory, Gross Inventory to which the U.S. government has title due to interim billings Progress Payments Netted Against Inventory for Long-term Contracts or Programs Total inventory and cost of contracts in progress, net Net Deferred Income Tax Assets By Balance Sheets Location Net Deferred Income Tax Liabilities [Abstract] Net deferred income tax liabilities. U.S. net deferred income tax assets, current Deferred Tax Assets, Net, Current U.S. net deferred income tax assets, non-current Deferred Tax Assets, Net, Noncurrent Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Industrial Revenue Bonds Industrial Revenue Bonds [Member] Industrial Revenue Bonds [Member] Summary of Long-term debt, net Long-term Debt, by Current and Noncurrent [Abstract] Industrial revenue bonds, face value Debt Instrument, Face Amount Less unamortized purchase discount Debt Instrument, Unamortized Discount Long-term Debt Long-term Debt Borrowings under Credit Facility Less: current portion Long-term debt, net of current portion