Abarca [Member] Abarca [Member] Abarca [Member] Accounting Changes And Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Accounting Policies [Abstract] Accounting Policies [Abstract] Accounts Payable Current Accounts payable Accounts Receivable Net Current Student receivables, net of allowance for doubtful accounts of $19,304 and $20,790 as of June 30, 2014 and December 31, 2013, respectively Accounts Receivable Net Noncurrent Student receivables, net of allowance for doubtful accounts of $5,466 and $6,856 as of June 30, 2014 and December 31, 2013, respectively Accrued Advertising Current Advertising and production costs Accrued Income Taxes Current Income taxes Accrued Liabilities Current [Abstract] Accrued expenses: Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive loss Additional Paid In Capital Additional paid-in capital Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: AIU [Member] Aiu [Member] AIU [Member] Allowance For Doubtful Accounts Receivable Balance, End of Period Balance, Beginning of Period Allowance For Doubtful Accounts Receivable Current Student receivables, allowance for doubtful accounts, current Allowance For Doubtful Accounts Receivable Noncurrent Student receivables, allowance for doubtful accounts, non-current Allowance For Doubtful Accounts Receivable Write Offs Amounts Written-off Amador and California Education Code [Member] Amador And California Education Code [Member] Amador and California Education Code [Member] Amador [Member] Amador [Member] Amador [Member] Amendment Flag Amendment Flag Amortized Cost and Fair Value Debt Securities [Abstract] Amortized Cost And Fair Value Debt Securities [Abstract] Amortized Cost and Fair Value Debt Securities [Abstract] The amount of net student receivables incurred as a result of extended payment plan financing, net of deferred revenue and allowance for doubtful accounts as well as the aggregate value of amounts due from customers related to the recourse loan program. Amount Of Net Student Receivables Related To Extended Payment Plans And Recourse Loans Student receivables, net of allowance for doubtful accounts and net of deferred tuition revenue Andrade [Member] Andrade [Member] Andrade [Member] Aprieto [Member] Aprieto [Member] Aprieto [Member] Asset Impairment Charges Asset impairment Assets Total Assets TOTAL ASSETS Assets [Abstract] ASSETS Tabular disclosure of disposal groups, which may include the classification and carrying value of the assets and liabilities comprising the disposal group, and the segment in which the disposal group was reported. Assets And Liabilities Of Discontinued Operations On Consolidated Balance Sheets [Text Block] Assets and Liabilities of Discontinued Operations on Consolidated Balance Sheets Assets Current Total current assets Assets Current [Abstract] CURRENT ASSETS: Assets Noncurrent [Abstract] NON-CURRENT ASSETS: Assets Of Disposal Group Including Discontinued Operation Total assets of discontinued operations Assets Of Disposal Group Including Discontinued Operation Current Assets of discontinued operations Total current assets Available For Sale Securities Total investments at fair value Total investments, Fair value Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax Total investments, Gross Unrealized (Loss) Available For Sale Securities Amortized Cost Total investments, Cost Available For Sale Securities Current Short-term investments (available-for-sale), Cost The fair value amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer. Available For Sale Securities Current Fair Value Short-term investments (available-for-sale), Fair value Available For Sale Securities Debt Maturities Within One Year Fair Value Short-term investments Amount of accumulated pre-tax unrealized gain before deducting pre-tax unrealized losses on investments in available-for-sale securities impacting investments. Available For Sale Securities Gross Unrealized Gain Accumulated In Investments Total investments, Gross Unrealized Gain Award Type [Axis] Award Type [Axis] The basis point change in discount rates related to sensitivity analysis of fair value calculations. Basis Point Change In Discount Rate Basis point change in discount rate The basis point change in royalty rates related to sensitivity analysis of fair value calculations. Basis Point Change In Royalty Rate Basis point change in royalty rate Business Segment Excluding Transition Schools [Member] Business Segment Excluding Transition Schools [Member] Subtotal [Member] California Code of Civil Procedure [Member] California Code Of Civil Procedure [Member] California Code of Civil Procedure [Member] California Culinary Academy Complaints [Member] California Culinary Academy Complaints [Member] CCA Complaints [Member] The number of campuses that the Office of Inspector General has identified to have findings and have calculated those amounts in regards to a legal investigation. Campus Number With Calculation Finding By Office Of Inspector General Number of calculation of returns of Title IV Program funds The number of campuses that the Office of Inspector General has identified to have findings in regards to a legal investigation. Campus Number With Documentation Finding By Office Of Inspector General Number of documentation of attendance of students enrolled in CTU's Career Colleges [Member] Career Colleges [Member] Career Colleges [Member] Career Schools [Member] Career Schools [Member] Career Schools [Member] Cash Cash Cash And Cash Equivalents [Abstract] Cash and Cash Equivalents [Abstract] Cash And Cash Equivalents At Carrying Value CASH AND CASH EQUIVALENTS, end of the period CASH AND CASH EQUIVALENTS, beginning of the period Cash and cash equivalents, unrestricted Cash and cash equivalents, unrestricted Amount of currency on hand, including both restricted and unrestricted cash, as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Cash And Cash Equivalents At Carrying Value Including Restricted And Unrestricted Cash Total cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease NET DECREASE IN CASH AND CASH EQUIVALENTS Cash Cash Equivalents And Short Term Investments Total cash and cash equivalents and short-term investments Cash Equivalents At Carrying Value Cash equivalents Tabular disclosure of disposal groups, which may include the reconciliation of changes in the liability for remaining lease obligations, including new charges, payments and other reconciling items. Changes In Future Remaining Lease Obligations Discontinued Operations Table [Text Block] Changes in Future Remaining Lease Obligations Discontinued Operations Tabular disclosure related to the reconciliation of changes in the allowance for doubtful accounts, including disclosures for bad debt expense and amounts written off. Changes In Short Term And Long Term Receivables Allowance [Text Block] Changes in Current and Non-Current Receivables Allowance Coleman case [Member] Coleman Case [Member] Coleman case [Member] Tabular disclosure of disposal groups, which may include the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss) and amounts of revenues and pretax profit or loss reported in discontinued operations. Combined Summary Results Of Operations For Discontinued Operations [Text Block] Summary Results of Operations for Discontinued Operations Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments And Contingencies Disclosure [Text Block] COMMITMENTS AND CONTINGENCIES Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common Stock Shares Outstanding Common stock, shares outstanding The number that is multiplied against each share issued that are subject to awards of any stock-based compensation other than stock options and stock appreciation rights which is then subtracted from the available authorized grant pool. Common Stock Subject To Any Form Of Awards Other Than Stock Options Or Stock Appreciation Rights Payable In Shares Common stock subject to any other form of award The number that is multiplied against each share issued that are subject to awards of any stock-based compensation other than stock options and stock appreciation rights which is then subtracted from the available authorized grant pool. Common Stock Subject To Awards Of Stock Options Or Stock Appreciation Rights Payable In Shares Common stock subject to awards of stock options or stock appreciation rights payable in shares Common Stock Value Common stock, $0.01 par value; 300,000,000 shares authorized; 82,064,114 and 81,889,907 shares issued, 67,248,793 and 67,170,522 shares outstanding as of June 30, 2014 and December 31, 2013, respectively Comprehensive Income Net Of Tax COMPREHENSIVE LOSS Comprehensive Income Net Of Tax [Abstract] OTHER COMPREHENSIVE INCOME (LOSS), net of tax: Corporate And Other [Member] Corporate and Other [Member] Costs And Expenses Total operating expenses Costs And Expenses [Abstract] OPERATING EXPENSES: CTU [Member] Ctu [Member] CTU [Member] Culinary Arts [Member] Culinary Arts [Member] Culinary Arts [Member] Current Fiscal Year End Date Current Fiscal Year End Date Debt Instrument Term Period debt obligations mature, years, maximum Deferred Compensation Arrangement With Individual Compensation Expense Stock compensation and recognized liability Deferred Compensation Arrangement With Individual Share Based Payments By Type Of Deferred Compensation [Axis] Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Axis] Deferred Rent Credit Noncurrent Deferred rent obligations Deferred Revenue Current Deferred tuition revenue Deferred Stock Units [Member] Deferred Stock Units [Member] Deferred Stock Units to be Settled in Shares [Member] Deferred Tax Assets Net Current Deferred income tax assets, net Deferred Tax Assets Net Noncurrent Deferred income tax assets, net Deferred Tax Assets Valuation Allowance Total deferred tax valuation allowance Depreciation And Amortization Depreciation and amortization Depreciation Depletion And Amortization Depreciation and amortization expense Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure Of Share Based Compensation Arrangements By Share Based Payment Award [Text Block] SHARE-BASED COMPENSATION Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax Net loss on sale of business Discontinued Operation Income Loss From Discontinued Operation Before Income Tax Loss before income tax Discontinued Operations And Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] The latest lease expiration of all leases related to discontinued operations. Discontinued Operations Lease Expiration Year Lease expiration year Discontinued Operation Tax Effect Of Discontinued Operation Benefit from income taxes Income tax benefit Discount Rate [Member] Discount Rate [Member] Discount Rate [Member] Disposal Group Including Discontinued Operation [Abstract] Disposal Group Including Discontinued Operation [Abstract] DISCONTINUED OPERATIONS CASH ACTIVITY INCLUDED ABOVE: Disposal Group Including Discontinued Operation Accounts Notes And Loans Receivable Net Receivables, net Disposal Group Including Discontinued Operation Accounts Payable And Accrued Liabilities Accounts payable and accrued expenses Disposal Group Including Discontinued Operation Balance Sheet Disclosures [Abstract] Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract] Disposal Group Including Discontinued Operation Cash And Cash Equivalents Less: Cash balance of discontinued operations, end of the period Add: Cash balance of discontinued operations, beginning of the period Cash and cash equivalents For the disposal group, including a component of the entity (discontinued operation), the carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income. Disposal Group Including Discontinued Operation Deferred Tuition Revenue Deferred tuition revenue Disposal Group Including Discontinued Operation Long Lived Assets Noncurrent Assets of discontinued operations Disposal Group Including Discontinued Operation Other Current Assets Other current assets Disposal Group Including Discontinued Operation Other Noncurrent Assets Other assets, net Disposal Group Including Discontinued Operation Other Noncurrent Liabilities Other Disposal Group Including Discontinued Operation Property Plant And Equipment Noncurrent Property and equipment, net For the disposal group, including a component of the entity (discontinued operation), the present value of remaining lease obligations recorded at the time a facility is exited. Disposal Group Including Discontinued Operation Remaining Lease Obligations Balance, End of Period Balance, Beginning of Period For the disposal group, including a component of the entity (discontinued operation), the current portion of the present value of remaining lease obligations recorded at the time a facility is exited. Disposal Group Including Discontinued Operation Remaining Lease Obligations Current Remaining lease obligations For the disposal group, including a component of the entity (discontinued operation), the change in the liability during the period for remaining lease obligations related to charges for newly vacated space, subsequent adjustments for accretion, revised estimates and variances between estimated and actual charges. Disposal Group Including Discontinued Operation Remaining Lease Obligations Incurred Charges Incurred For the disposal group, including a component of the entity (discontinued operation), the decrease during the period for remaining lease obligations related to cash payments for vacated facilities. Disposal Group Including Discontinued Operation Remaining Lease Obligations Net Cash Payments Net Cash Payments For the disposal group, including a component of the entity (discontinued operation), the noncurrent portion of the present value of remaining lease obligations recorded at the time a facility is exited. Disposal Group Including Discontinued Operation Remaining Lease Obligations Noncurrent Remaining lease obligations For the disposal group, including a component of the entity (discontinued operation), the net change during the period for remaining lease obligations related to transfer of existing deferred rent liability balances for newly vacated spaces that offset the losses incurred in the period recorded. Disposal Group Including Discontinued Operation Remaining Lease Obligations Other Other Disposal Group Including Discontinued Operation Revenue Revenue Disposal Groups Including Discontinued Operations Disclosure [Text Block] DISCONTINUED OPERATIONS Document and Entity Information [Abstract] Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Period End Date Document Period End Date Document Type Document Type Earnings Per Share [Abstract] Earnings Per Share [Abstract] Earnings Per Share Basic And Diluted Net loss per share Earnings Per Share Basic And Diluted [Abstract] NET LOSS PER SHARE-BASIC and DILUTED: The aggregate total of expenses of educational services and facilities, including auxiliary enterprise expenses, academics expenses, and occupancy expenses. Educational Services And Facilities Expense Educational services and facilities Effective Income Tax Rate Continuing Operations Effective rate Effective tax rate Effect Of Exchange Rate On Cash And Cash Equivalents EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS: Employee Related Liabilities Current Payroll and related benefits Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Estimated pretax compensation expense Employee Stock Option [Member] Employee Stock Option [Member] The yearly percentage that vests for employee stock option grants. Employee Stock Options Exercisable In Percentage Employee stock options exercisable in percentage Entity Central Index Key Entity Central Index Key Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity Filer Category Entity Filer Category Entity Registrant Name Entity Registrant Name Equity Based Arrangements Individual Contracts Type Of Deferred Compensation [Domain] Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Domain] The number of years over which estimated share-based compensation expense for all unvested share-based awards that have been granted to participants will be recognized. Estimated Pretax Compensation Expenses Expiration Period Estimated pretax compensation expenses expiration, years Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss Unrealized (gain) loss Fair Value Assets Measured On Recurring Basis [Text Block] Investments Measured at Fair Value on Recurring Basis Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Text Block] Assets Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs (Level 3) Fair Value By Fair Value Hierarchy Level [Axis] Fair Value, Hierarchy [Axis] Fair Value By Measurement Basis [Axis] Measurement Basis [Axis] The change in fair value amounts related to sensitivity analysis of fair value calculations. Fair Value Change In Amount Change in fair value Fair Value Disclosure Item Amounts [Domain] Fair Value Measurement [Domain] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Fair Value Disclosures [Text Block] FINANCIAL INSTRUMENTS Fair Value Inputs Discount Rate Determining fair value of discount rates Fair Value Inputs Level 1 [Member] Level 1 [Member] Fair Value Inputs Level 2 [Member] Level 2 [Member] Fair Value Inputs Level 3 [Member] Level 3 [Member] Fair Value Inputs Long Term Revenue Growth Rate Fair value terminal growth rate Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items] Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] Fair Value Investments Entities That Calculate Net Asset Value Per Share [Table] Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table] Fair Value Measurement Policy Policy [Text Block] Fair Value Measurements Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value Balance Balance Long-term investments (available-for-sale), Fair value False Claims Act Lawsuit [Member] False Claims Act Lawsuit [Member] False Claims Act Lawsuit [Member] Financial Instruments [Line Items] Financial Instruments [Line Items] Financial Instruments [Line Items] Financial Instruments [Table] Financial Instruments [Table] Financial Instruments [Table] Gain Loss On Sale Of Business Loss on sale of business Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment recorded within continuing or discontinued operations. Gain Loss On Sale Of Business Continuing And Discontinued Operations Loss on sale of businesses, net Gain Loss On Sale Of Property Plant Equipment Loss on disposition of property and equipment General And Administrative Expense General and administrative Goodwill Goodwill Goodwill And Intangible Asset Impairment Goodwill and assets impairment charges Goodwill And Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill And Intangible Assets Disclosure [Text Block] GOODWILL AND OTHER INTANGIBLE ASSETS Goodwill Impairment Loss Goodwill impairment Impairment Charges [Line Items] Impairment Charges [Line Items] Impairment Charges [Line Items] Impairment Charges [Table] Impairment Charges [Table] Impairment Charges [Table] Impairment Of Intangible Assets Indefinitelived Excluding Goodwill Impairment charge Income Loss From Continuing Operations LOSS FROM CONTINUING OPERATIONS Income Loss From Continuing Operations Before Income Taxes Domestic U.S. Income Loss From Continuing Operations Before Income Taxes Foreign Foreign Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments Pretax loss PRETAX LOSS Income Loss From Continuing Operations Per Basic And Diluted Share Loss from continuing operations Income Loss From Discontinued Operations Net Of Tax LOSS FROM DISCONTINUED OPERATIONS, net of tax Loss from discontinued operations, net of tax Income Loss From Discontinued Operations Net Of Tax Per Basic And Diluted Share Loss from discontinued operations Income Statement [Abstract] Income Statement [Abstract] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] INCOME TAXES Income Tax Expense Benefit Effective tax provision Provision for (benefit from) income taxes Increase Decrease In Operating Capital Changes in operating assets and liabilities Indefinite Lived Intangible Assets By Major Class [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite Lived Intangible Assets Excluding Goodwill Fair Value Disclosure Fair value of impairment charge Indefinite Lived Intangible Assets Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Insurance Claims [Member] Insurance Claims [Member] Intangible Assets Net Excluding Goodwill Intangible assets, net Intangible Liability Disclosure [Abstract] Intangible Liability Disclosure [Abstract] Intangible Liability Disclosure [Abstract] Interest Expense Interest expense Inventory Net Inventories Investment Income Interest Interest income Investments Debt And Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Investment Type [Axis] Investment Type [Axis] Investment Type Categorization [Member] Investments [Domain] The longest lease term expiration for all campuses that are scheduled to be taught out as of the reporting date. Lease Expiration Teach Out Campuses Lease expiration teach out campuses Le Cordon Bleu Trade Name [Member] Lecordon Bleu Trade Name [Member] Le Cordon Bleu Trade Name [Member] Liabilities And Stockholders Equity TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities And Stockholders Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities Current Total current liabilities Liabilities Current [Abstract] CURRENT LIABILITIES: Liabilities Noncurrent Total non-current liabilities Liabilities Noncurrent [Abstract] NON-CURRENT LIABILITIES: Liabilities Of Disposal Group Including Discontinued Operation Total liabilities of discontinued operations Liabilities Of Disposal Group Including Discontinued Operation Current Liabilities of discontinued operations Total current liabilities Liabilities Of Disposal Group Including Discontinued Operation Noncurrent Liabilities of discontinued operations Line Of Credit Outstanding borrowings under the Credit Agreement Line Of Credit Facility Expiration Date 1 Revolving credit facility maturity date Line Of Credit Facility Maximum Borrowing Capacity Revolving credit facility Litigation Reserve Settlement amount, not officially settled Litigation Settlement Amount Legal settlement amount Preliminary settlement legal matters Loans Notes Trade And Other Receivables Disclosure [Text Block] STUDENT RECEIVABLES The minimum length of time, in years, that the amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature greater than one year or operating cycle, if longer, are in a continuous unrealized loss/gain position. Long Term Investment Continuous Unrealized Loss Position Period Period cash equivalents and long-term investments have been in continuous unrealized loss position, years, minimum Long Term Investments Long-term investments (available-for-sale), Cost The gross unrealized gain during the period on investments that are intended to be held for an extended period of time (longer than one operating cycle). Long Term Investments Gross Unrealized Gain Long-term investments (available-for-sale), Gross Unrealized Gain The gross unrealized loss during the period on investments that are intended to be held for an extended period of time (longer than one operating cycle). Long Term Investments Gross Unrealized Loss Long-term investments (available-for-sale), Gross Unrealized (Loss) Loss Contingencies By Nature Of Contingency [Axis] Loss Contingency Nature [Axis] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Loss Contingencies [Table] Loss Contingencies [Table] Loss Contingency Accrual At Carrying Value Accrual for legal fees and settlements Loss Contingency Claims Settled Number Number of claims settled for immaterial amount Loss Contingency Damages Paid Value Settlement amount paid to plaintiff Loss Contingency Nature [Domain] Loss Contingency, Nature [Domain] Loss Contingency Number Of Plaintiffs Number of plaintiffs Loss Contingency Pending Claims Number Number of mass action filed Loss Contingency Range Of Possible Loss Maximum Potential liability related to audit Maximum [Member] Maximum [Member] Minimum [Member] Minimum [Member] Municipal Bonds [Member] Municipal bond [Member] Nature Of Operations DESCRIPTION OF THE COMPANY Net Cash Provided By Used In Financing Activities Net cash provided by financing activities Net Cash Provided By Used In Financing Activities [Abstract] CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided By Used In Investing Activities Net cash used in investing activities Net Cash Provided By Used In Investing Activities [Abstract] CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided By Used In Operating Activities Net cash used in operating activities Net Cash Provided By Used In Operating Activities [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Net Income Loss Net loss NET LOSS Non-employee directors' stock options [Member] Non Employee Directors Stock Options [Member] Non-Employee Directors' Stock Options [Member] Nonoperating Income Expense Total other (expense) income Nonoperating Income Expense [Abstract] OTHER INCOME (EXPENSE): Non Us Government Agencies Debt Securities [Member] Non Us Government Agencies Debt Securities [Member] Non-governmental debt securities [Member] The total number of plaintiffs involved in a legal matter as of the reporting date. Number Of Active Plaintiffs In Consolidated Action Number of active plaintiffs in consolidated action The number of alleged claims in regards to a legal matter that are filed for equitable relief. Number Of Alleged Claims For Equitable Relief Number of alleged claims for equitable relief The number of arbitrations which have been tried to a final award Number Of Arbitrations Which Have Been Tried To Final Award Number of arbitrations which have been tried to final award The number of arbitrations which have settled Number Of Arbitrations Which Have Settled Number of arbitrations which have settled The number of attorney general inquiries that are being handled by the Attorney General of Connecticut as point of contact. Number Of Attorney General Inquiries Number of inquiries attorney general will act as point of contact The number of campuses which completed their teach-out activities for the reporting period. Number Of Campuses Which Completed Teach Out Number of campuses completed teach out activities The number of campuses which completed their teach out activities during the reporting period that also had remaining lease obligations for their facilities. Number Of Campuses Which Completed Teach Out And Had Remaining Lease Obligations Number of campuses remaining lease obligation The number of campuses sold during the reporting period. Number Of Campus Sold Number of campus sold The number of alleged claims in regards to a legal matter that are filed for money damages. Number Of Claims Added For Money Damages Number of claims added for money damages The number of complaints made under a certain legal matter that have been deemed related by the Court and transferred to the same judge for all matters. Number Of Complaints Related And Transferred To Judge Number of complaints related and transferred to judge Number of former employees who filed complaint. Number Of Former Employees Who Filed Complaint Number of former employees who filed complaint The number of individuals who have filed arbitration demands related to a certain legal matter as of the reporting period date. Number Of Individuals Filed Arbitration Demands Number of individuals have filed arbitration demands The number of individuals who have filed motions to compel arbitrations regarding certain legal matters. Number Of Individuals File Motion To Compel Arbitration Number of individuals WCI file motion to compel arbitration The number of individuals who have signed arbitration agreements related to a certain legal matter as of the reporting period date. Number Of Individuals Signed Arbitration Agreement Number of individuals that signed arbitration agreement The total number of findings related to the Office of Inspector General legal matter. Number Of Oig Findings Number of OIG Findings The number of opt-out individuals related to legal matters as of the reporting date. Number Of Opt Out Individuals Number of opt-out Individuals Number Of Plaintiffs Dropped Out Of Settlement Number Of Plaintiffs Dropped Out Of Settlement Number of plaintiffs dropped out of settlement The number of plaintiffs for certain legal matters who have not settled within the action and have not yet dismissed. Number Of Plaintiffs Who Have Not Settled Not Dismissed Number of plaintiffs who have not settled Number Of Remaining Plaintiffs Who Have Not Settled Not Dismissed Number Of Remaining Plaintiffs Who Have Not Settled Not Dismissed Number of remaining plaintiffs who have not settled Number Of Reportable Segments Number of reporting segments Number Of Shares To Reduce Shares Available To Grant By Upon Vesting Of Deferred Stock Units Number Of Shares To Reduce Shares Available To Grant By Upon Vesting Of Deferred Stock Units Number of shares to reduce shares available to grant by upon vesting of deferred stock units Number of shares outstanding which will reduce shares available to grant upon vesting of restricted stock units. Number Of Shares To Reduce Shares Available To Grant By Upon Vesting Of Restricted Stock Units Number of shares to reduce shares available to grant by upon vesting of restricted stock units The number of student plaintiffs for a certain legal matter. Number Of Student Plaintiffs Number of student plaintiffs The approximate number of members participating in a specific class action complaint. Number Of Students In Class Number of students in class The number of lawsuits filed for individuals that had previously opted out of a certain legal matter. Number Of Suits For Individuals That Previously Opted Out Number of suits prosecuted Office Of Inspector General Audit [Member] Office Of Inspector General Audit [Member] OIG Audit [Member] Operating Income Loss Operating (Loss) Income Operating loss The opt-out period expiration date that has been set for a particular legal matter. Opt Out Period Expiration Date Opt-out period expiration date Organization Consolidation And Presentation Of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] BASIS OF PRESENTATION Other Accrued Liabilities Current Other Other Asset Impairment Charges Asset impairment Other Assets Current Other current assets Other Assets Noncurrent Other assets, net Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax Foreign currency translation adjustments Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Total other comprehensive (loss) income Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax Cumulative unrealized income (loss) on municipal bonds Unrealized (losses) gains on investments Other Liabilities Noncurrent Other liabilities Other Nonoperating Income Expense Miscellaneous (expense) income Other Receivables Receivables, other, net Other Sales Revenue Net Other Fair value of liability incurred during period on performance unit awards to be settled in cash. Outstanding Liability On Performance Unit Awards To Be Settled In Cash Fair value of the liability incurred through Aggregate cash payments for a combination of transactions in which noncurrent assets are sold, which may include the sale of a business, an investment in an affiliate (including an equity method investee), property, plant and equipment and intangible assets. Excludes sales of trading, available-for-sale, and held-to-maturity securities. Payment For Sales Of Business Affiliates And Productive Assets Payment of cash upon sale of business Payments For Proceeds From Other Investing Activities Other Payments For Restructuring Payments Payments To Acquire Available For Sale Securities Purchases of available-for-sale investments Payments To Acquire Property Plant And Equipment Purchases of property and equipment The percent increase (decrease) to the effective tax rate for the reporting period related to valuation allowances. Percent Increase Decrease Related To Valuation Allowance Effective Tax Rate Cumulative effect of federal and state valuation losses The aggregate amount of expense recorded during the period for long term incentive awards granted to employees not stock-based to be settled in cash. Performance Unit Awards Expense Performance unit award expenses Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Preferred Stock Par Or Stated Value Per Share Preferred stock, par value Preferred Stock Shares Authorized Preferred stock, shares authorized Preferred Stock Shares Issued Preferred stock, shares issued Preferred Stock Shares Outstanding Preferred stock, shares outstanding Preferred Stock Value Preferred stock, $0.01 par value; 1,000,000 shares authorized; none issued or outstanding Prepaid Expense Current Prepaid expenses The present value of the estimated charge related to remaining lease obligations for lease exits offset with an estimated amount for sublease income. Present Value Of Remaining Lease Obligation Gross remaining lease obligations The present value of the estimated charge related to remaining lease obligations for lease exits offset with an estimated amount for sublease income. Present Value Of Remaining Lease Obligation For Teach Out Campuses Net present value of remaining lease obligation Proceeds From Issuance Of Common Stock Issuance of common stock Proceeds From Recoveries Of Loan Previously Charged Off Recoveries of amounts previously written off Proceeds From Repayments Of Long Term Debt And Capital Securities Payments of capital lease obligations Proceeds From Repayments Of Restricted Cash Financing Activities Change in restricted cash Proceeds From Sale Of Available For Sale Securities Sales of available-for-sale investments Property Plant And Equipment Net Property and equipment, net Provision For Doubtful Accounts Charges to Expense Amount of the current period expense charged against operations and discontinued operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected). Provision For Doubtful Accounts Including Discontinued Operations Bad debt expense Range [Axis] Range [Axis] Range [Member] Range [Domain] Receivables [Abstract] Receivables [Abstract] The amount of remaining lease obligations associated with campuses that were sold and which liability is now assumed by the buyers of the campuses. Remaining Lease Obligation Related To Sold Campuses Remaining lease obligations Repayments Of Short Term Debt Payment on borrowings Restricted Cash And Investments Current Restricted cash The yearly percentage that vests for restricted stock awards. Restricted Stock Awards Exercisable In Percentage Restricted stock awards settled in stock exercisable in percentage Restricted Stock [Member] Restricted Stock Shares [Member] Restricted Stock Unit Activity [Member] Restricted Stock Unit Activity [Member] Restricted Stock Units to be Settled in Cash [Member] Restricted Stock Units R S U [Member] Restricted Stock Units RSU [Member] The yearly percentage that vests for restricted stock units settled in cash. Restricted Stock Units To Be Settled In Cash Exercisable In Percentage Restricted stock awards settled in cash exercisable in percentage Restructuring And Related Activities [Abstract] Restructuring and Related Activities [Abstract] Restructuring And Related Activities Disclosure [Text Block] RESTRUCTURING CHARGES Restructuring Charges Severance and related charges Restructuring Reserve End of Period Beginning of Period Restructuring Reserve Accrual Adjustment Non-cash adjustments Retained Earnings Accumulated Deficit Retained (deficit) earnings The amount of retention bonus accrued for as of the balance sheet date as part of restructuring actions that is due to paid within one year of the balance sheet date. Retention Bonuses Accrued In Association With Restructuring Accrued retention bonuses The amount of retention bonus expensed during the current reporting period as part of restructuring actions. Retention Bonuses Amount Recorded During Period Amount recorded ratably over the period retained Revenue earned during the period from tuition, enrollment, registration fees and other miscellaneous student fees net of student institutional scholarships/grants. Revenue From Tuition And Registration Fees Tuition and registration fees Revenues Revenue Total revenue Revenues [Abstract] REVENUE: Royalty rate used to determine fair value of trade names. Royalty Rate For Trade Name Fair Value Testing Royalty rates Royalty Rate [Member] Royalty Rate [Member] Royalty Rate [Member] Scenario Unspecified [Domain] Scenario, Unspecified [Domain] Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Text Block] WEIGHTED AVERAGE COMMON SHARES Tabular disclosure of assets, including financial instruments, including both short term and long term available for sale investments. Disclosures include cost, unrealized gains and losses and fair values for each type of investment. Schedule Of Available For Sale Investments Table [Text Block] Investments from Continuing Operations Schedule Of Available For Sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Schedule Of Available For Sale Securities [Table] Schedule of Available-for-sale Securities [Table] Tabular disclosure of assets, including financial instruments including cash, cash equivalents and restricted cash. The disclosures contemplated herein include the fair value measurements at the reporting date. Schedule Of Cash And Cash Equivalents And Investments From Continuing Operations [Text Block] Cash and Cash Equivalents and Investments from Continuing Operations Schedule Of Income Before Income Tax Domestic And Foreign Table [Text Block] Components of Pretax Loss from Continuing Operations Schedule Of Investments [Abstract] Schedule of Investments [Abstract] Schedule Of New Accounting Pronouncements And Changes In Accounting Principles [Text Block] RECENT ACCOUNTING PRONOUNCEMENTS Tabular disclosures representing the reconciliation of the changes in restructuring liabilities, including disclosures for new charges, payments and other reconciling items. Schedule Of Other Restructuring And Related Costs Table [Text Block] Accrual for Severance and Related Costs Schedule Of Segment Reporting Information By Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Schedule Of Segment Reporting Information By Segment [Text Block] Summary Financial Information by Reporting Segment Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule Of Share Based Compensation Deferred Stock Units Settled In Shares Activity [Table Text Block] Schedule Of Share Based Compensation Deferred Stock Units Settled In Shares Activity Table [Text Block] Schedule of Deferred Stock Units to be Settled in Shares Schedule Of Sharebased Compensation Restricted Stock And Restricted Stock Units Activity Table [Text Block] Schedule of Information with Respect to all Outstanding Restricted Stock Disclosure of the number for restricted stock units settled in cash that were outstanding at the beginning and end of the year, and the number of restricted stock units settled in cash that were granted, vested, or forfeited during the year. Schedule Of Share Based Compensation Restricted Stock Units Settled In Cash Activity Table [Text Block] Schedule of Restricted Stock Units to be Settled in Cash Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Summary of Stock Option Activity Segment Discontinued Operations [Member] Discontinued Operations [Member] Segment [Domain] Segments [Domain] Segment Operating Activities [Domain] Operating Activities [Domain] Segment Reporting [Abstract] Segment Reporting [Abstract] Segment Reporting Disclosure [Text Block] SEGMENT REPORTING Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] The amount of severance related costs expected to be paid in greater than one year from the reporting date related to restructuring actions. Severance Accrual Long Term Portion Long term amount The amount of severance related costs expected to be paid in the next fiscal year related to restructuring actions. Severance Accrual Short Term Portion Restructuring Accrual for severance and related charges Share Based Compensation Compensation expense related to share-based awards Share Based Compensation Arrangement By Share Based Payment Award Award Requisite Service Period 1 Service period in years Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period 1 Long-term incentive, cash-based awards The vesting period in years for stock option grants. Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Periods Vesting period in years The number of equity-based deferred stock units, that were forfeited during the reporting period. Share Based Compensation Arrangement By Share Based Payment Award Deferred Stock Units Forfeited In Period Forfeited, Shares The number of grants made during the period for deferred stock units. Share Based Compensation Arrangement By Share Based Payment Award Deferred Stock Units Grants In Period Granted, Shares Share Based Compensation Arrangement By Share Based Payment Award Deferred Stock Units Grants In Period Weighted Average Grant Date Fair Value Share Based Compensation Arrangement By Share Based Payment Award Deferred Stock Units Grants In Period Weighted Average Grant Date Fair Value Granted, Weighted Average Grant-Date Fair Value Per Unit Share Based Compensation Arrangement By Share Based Payment Award Deferred Stock Units Nonvested Forfeited Weighted Average Grant Date Fair Value Share Based Compensation Arrangement By Share Based Payment Award Deferred Stock Units Nonvested Forfeited Weighted Average Grant Date Fair Value Forfeited, Weighted Average Grant-Date Fair Value Per Unit The number of non-vested equity-based payment deferred stock units that validly exist and are outstanding as of the balance sheet date. Share Based Compensation Arrangement By Share Based Payment Award Deferred Stock Units Nonvested Number Ending balance of Outstanding Shares Beginning balance of Outstanding Shares Share Based Compensation Arrangement By Share Based Payment Award Deferred Stock Units Nonvested Weighted Average Grant Date Fair Value Share Based Compensation Arrangement By Share Based Payment Award Deferred Stock Units Nonvested Weighted Average Grant Date Fair Value Ending balance of Weighted Average Grant-Date Fair Value Per Unit Beginning balance of Weighted Average Grant-Date Fair Value Per Unit Share Based Compensation Arrangement By Share Based Payment Award Deferred Stock Units Vested Weighted Average Grant Date Fair Value Share Based Compensation Arrangement By Share Based Payment Award Deferred Stock Units Vested Weighted Average Grant Date Fair Value Vested, Weighted Average Grant-Date Fair Value Per Unit The number of equity-based deferred stock units that vested during the reporting period. Share Based Compensation Arrangement By Share Based Payment Award Deferred Stock Unit Vested In Period Vested, Shares Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Forfeited, Shares The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period for equity-based payment instruments to be settled in cash. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited Settled In Cash Stock Units to be Settled in Cash, Forfeited Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value Forfeited, Weighted Average Grant-Date Fair Value Per Share Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Granted, Shares The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan) to be settled in cash. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Settled In Cash Stock Units to be Settled in Cash, Granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value Granted, Weighted Average Grant-Date Fair Value Per Share Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number Ending balance of Outstanding Shares Beginning balance of Outstanding Shares The number of non-vested equity-based payment instruments which are to be settled in cash, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Non Vested Number Settled In Cash Ending balance of Outstanding, Stock Units to be Settled in Cash Beginning balance of Outstanding, Stock Units to be Settled in Cash Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value Ending balance of Outstanding, Weighted Average Grant-Date Fair Value Per Share Beginning balance of Outstanding, Weighted Average Grant-Date Fair Value Per Share Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Vested, Shares Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value Vested, Weighted Average Grant-Date Fair Value Per Share The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period for equity-based payment instruments to be settled in cash. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested Settled In Cash Stock Units to be Settled in Cash, Vested Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period Expiration period in years Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] The number of outstanding stock options that upon issuance will be deducted from the available authorized grant pool. Share Based Compensation Arrangement By Share Based Payment Award Number Of Outstanding Stock Deducted Upon Issuance From Shares Available For Grant Shares issuable upon exercise of outstanding options Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant Common stock available for future share-based awards Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number Exercisable, Options Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price Exercisable, Weighted Average Exercise Price Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period Cancelled, Options Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period Forfeited, Options Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Granted, Options Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number Ending balance of Outstanding, Options Beginning balance of Outstanding, Options Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Ending balance of Outstanding, Weighted Average Exercise Price Beginning balance of Outstanding, Weighted Average Exercise Price Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Equity Award [Domain] Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price Cancelled, Weighted Average Exercise Price Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price Forfeited, Weighted Average Exercise Price Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price Granted, Weighted Average Exercise Price Shares that have anti dilutive effect on diluted net income per share. Shares That Have Anti Dilutive Effect On Diluted Net Income Per Share Anti-dilutive awards excluded from computations of diluted earnings per share The maximum length of time, in years, that the amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer, are in a continuous unrealized loss/gain position. Short Term Investment Continuous Unrealized Loss Position Period Period cash equivalents and short-term investments have been in continuous unrealized loss position, years, maximum The gross unrealized gain during the period on investments that are intended to be sold or mature one year or operating cycle, if longer. Short Term Investments Gross Unrealized Gains Short-term investments (available-for-sale), Gross Unrealized Gain The gross unrealized loss during the period on investments that are intended to be sold or mature one year or operating cycle, if longer. Short Term Investments Gross Unrealized Losses Short-term investments (available-for-sale), Gross Unrealized (Loss) Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit Decrease in unrecognized tax positions Statement Business Segments [Axis] Segments [Axis] Statement [Line Items] Statement [Line Items] Statement Of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Statement Of Financial Position [Abstract] Statement of Financial Position [Abstract] Statement Operating Activities Segment [Axis] Operating Activities [Axis] Statement Scenario [Axis] Scenario [Axis] Statement [Table] Statement [Table] Stockholders Equity Total stockholders' equity Stockholders Equity [Abstract] STOCKHOLDERS' EQUITY: The number of days at which a student receivable balance is generally written off to collections. Student Receivables Written Off Period Student receivables write-off period, days past due Tabular disclosure of income before income taxes, provision/benefit for income taxes and effective tax rate. Summary Of Income Tax Provision And Effective Tax Rate For Continuing Operations Table [Text Block] Summary of Provision for (Benefit from) Income Taxes and Effective Tax Rate for Continuing Operations Surrett [Member] Surrett [Member] Surrett [Member] Trading Symbol Trading Symbol Transitional Schools [Member] Transitional Schools [Member] Transitional Schools [Member] Treasury And Federal Agencies [Member] Treasury And Federal Agencies [Member] Treasury and federal agencies [Member] Treasury Stock Shares Treasury, Shares in treasury Treasury Stock Value Cost of 14,815,321 and 14,719,385 shares in treasury as of June 30, 2014 and December 31, 2013, respectively Two Thousand And Eight Incentive Compensation Plan [Member] Two Thousand And Eight Incentive Compensation Plan [Member] 2008 Incentive Compensation Plan [Member] University Schools [Member] University Schools [Member] University Schools [Member] Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued Possible interest and accrued penalties U S Treasury Bill Securities [Member] U.S. Treasury Bills [Member] Us Treasury Bills [Member] Us Treasury Bills [Member] U.S. Treasury bills [Member] Vasquez [Member] Vasquez [Member] Vasquez [Member] Weighted Average Number Of Share Outstanding Basic And Diluted Basic and Diluted Weighted Average Number Of Shares Outstanding [Abstract] WEIGHTED AVERAGE SHARES OUTSTANDING: