Amendment Flag Current Fiscal Year End Date Document Period End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Registrant Name Entity Central Index Key Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Document Type Award Type [Axis] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract] ACCRUED EXPENSES Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accounts receivable, less allowance of $12,193 and $13,787 at December 31, 2014 and 2013, respectively Noncurrent receivables, less allowance of $1,016 and $982 at December 31, 2014 and 2013, respectively Accrued expenses Accounts Payable and Accrued Liabilities Accounts payable Accounts Payable, Current Accrued rent Accrued rent and real estate taxes Accrued expenses Less accumulated depreciation and amortization PROPERTY, EQUIPMENT AND FACILITIES - accumulated depreciation and amortization Accumulated other comprehensive loss Capitalized interest cost Accumulated Capitalized Interest Costs Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax Accumulated Other Comprehensive Loss [Member] Accumulated Other Comprehensive Income (Loss) [Member] Additional paid-in capital Additional Paid-in Capital [Member] Total adjustments Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities Stock options Adjustments to Additional Paid in Capital, Share-based Compensation, Stock Options, Requisite Service Period Recognition Adjustments to reconcile net (loss) income to net cash provided by operating activities: Tax deficiency of stock-based awards and canceled Adjustments to Additional Paid in Capital, Income Tax Deficiency from Share-based Compensation Advertising Costs Advertising Costs, Policy [Policy Text Block] Advertising expense Advertising Expense Recognized restricted stock expense Accounts receivable, allowance Student Receivable Allowance [Member] Noncurrent receivables, allowance Amortization of deferred finance costs Amortization of intangible assets Amortization Antidilutive Securities [Axis] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities, Name [Domain] Antidilutive shares excluded from computation of income (loss) per share (in shares) Impairments of goodwill and long-lived assets Asset Impairment Charges TOTAL Assets CURRENT ASSETS: ASSETS Assets, Current [Abstract] ASSETS Assets [Abstract] Total other assets Assets, Noncurrent Total current assets Assets, Current Assets held for sale Assets held for sale, net OTHER ASSETS: OTHER ASSETS : Buildings and Improvements [Member] Year Ending December 31, 2017 Capital Leases, Future Minimum Payments Due in Five Years Year Ending December 31, 2016 Capital Leases, Future Minimum Payments Due in Four Years Capital Leases, Total Capital Leases, Future Minimum Payments Due Year Ending December 31, 2015 Capital Leases, Future Minimum Payments Due in Three Years Less amount representing interest Capital Leases, Future Minimum Payments, Interest Included in Payments Current portion of capital lease obligations Capital lease and finance obligation Capital leased assets, gross Long-term capital lease obligations Year Ending December 31, 2014 Capital Leases, Future Minimum Payments Due in Two Years Year Ending December 31, 2013 Capital Leases, Future Minimum Payments Due, Next Twelve Months Capital Leases [Abstract] Thereafter Capital Leases, Future Minimum Payments Due Thereafter Capital leases net of interest Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Capital leased assets, accumulated depreciation Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents CASH AND CASH EQUIVALENTS-End of year CASH AND CASH EQUIVALENTS-Beginning of year Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents [Abstract] Cash and Equivalents [Member] COMMITMENTS AND CONTINGENCIES [Abstract] COMMITMENTS AND CONTINGENCIES COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Common Stock [Member] Common stock, shares issued (in shares) Cash dividend declared (in dollars per share) Cash dividend (in dollars per share) Common Stock, Dividends, Per Share, Declared Common stock, no par value - authorized 100,000,000 shares at December 31, 2014 and 2013, issued and outstanding 29,933,086 shares at December 31, 2014 and 29,919,761 shares at December 31, 2013 Common stock, shares authorized (in shares) Common stock, par value (in dollars per share) BALANCE (in shares) BALANCE (in shares) Common stock, shares outstanding (in shares) PENSION PLAN [Abstract] Stock-Based Compensation Plans Compensation Related Costs, Policy [Policy Text Block] Components of deferred tax assets [Abstract] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Construction in Progress [Member] Lease commitments Educational services and facilities COSTS AND EXPENSES: Total costs & expenses Costs and Expenses Credit Facility [Axis] Credit Facility [Domain] State Current [Abstract] Federal Total Current Income Tax Expense (Benefit) Student Contracts [Member] Customer Contracts [Member] Variable rate of debt instrument Debt Instrument [Line Items] Schedule of Long-term Debt Instruments [Table] LONG-TERM DEBT AND LEASE OBLIGATIONS Debt and Capital Leases Disclosures [Text Block] Federal Funds rate plus, variable rate (in hundredths) Debt Instrument, Basis Spread on Variable Rate LONG TERM DEBT AND LEASE OBLIGATIONS [Abstract] Interest rate of debt instrument (in hundredths) Compensation expense for the 401(k) plan Goodwill Deferred Tax Assets, Goodwill and Intangible Assets Federal Deferred Federal Income Tax Expense (Benefit) Deferred finance charges Deferred [Abstract] Total Deferred Income Tax Expense (Benefit) State Deferred State and Local Income Tax Expense (Benefit) Total net deferred tax (liabilities) assets Deferred Tax Assets, Net Total current deferred tax assets Deferred Tax Assets, Gross, Current Sale leaseback-deferred gain Total net noncurrent deferred tax (liabilities) assets Deferred Tax Assets, Net, Noncurrent Unearned tuition Deferred Revenue, Current Total deferred tax assets Deferred Tax Assets, Gross Stock-based compensation Deferred tax assets, net of valuation allowance Deferred Tax Assets, Net of Valuation Allowance Deferred Tax Assets Noncurrent [Abstract] Accrued rent Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent Deferred income taxes, net Deferred Tax Assets Current [Abstract] Total noncurrent deferred tax assets Deferred Tax Assets, Gross, Noncurrent Pension plan liabilities Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Pensions Goodwill Deferred Tax Liabilities, Goodwill Less valuation allowance Deferred Tax Assets, Valuation Allowance Deferred income taxes, net Deferred Tax Liabilities, Net, Noncurrent Deferred Tax Liabilities Noncurrent [Abstract] Total deferred tax liabilities Deferred Tax Liabilities, Net 2019 Defined Benefit Plan, Expected Future Benefit Payments, Year Five Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Accumulated loss Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Actuarial Gain (Loss), before Tax Decrease in plan benefit obligation Maximum percentage of compensation contributed by employer as matching contribution (in hundredths) Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent Benefit obligation-beginning of year Benefit obligation at end of year Defined Benefit Plan, Benefit Obligation 2017 Defined Benefit Plan, Expected Future Benefit Payments, Year Three 2016 Defined Benefit Plan, Expected Future Benefit Payments, Year Two Target plan asset allocations, minimum (in hundredths) Actuarial loss (gain) Defined Benefit Plan, Actuarial Gain (Loss) Discount rate (in hundredths) Amounts recognized in accumulated other comprehensive loss [Abstract] Long-term rate of return (in hundredths) Years 2020-2024 Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter 2018 Defined Benefit Plan, Expected Future Benefit Payments, Year Four Target plan asset allocations, maximum (in hundredths) Amounts recognized in the consolidated balance sheets [Abstract] Recognized net actuarial loss Discount rate (in hundredths) Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Amortization of estimated net loss, transition obligation and prior service cost from accumulated other comprehensive income into net periodic benefit cost Defined Benefit Plan Disclosure [Line Items] Actual return on plan assets Rate of compensation increase (in hundredths) Additional contribution by employer (in hundredths) Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] 2015 Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months Benefits paid Defined Benefit Plan, Benefits Paid Accumulated benefit obligation Rate of compensation increase (in hundredths) Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase CHANGE IN PLAN ASSETS [Roll Forward] Net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost Expected benefit payments for the plan [Abstract] Service cost Service cost Plan's funded status [Abstract] BENEFIT OBLIGATION IN EXCESS OF FAIR VALUE FUNDED STATUS: Defined Benefit Plan, Funded Status of Plan CHANGES IN BENEFIT OBLIGATIONS [Roll Forward] Plan assets using the fair value hierarchy [Abstract] Interest cost Fair value of plan assets Fair value of plan assets-end of year Fair value of plan assets-beginning of year Employer contributions Components of net periodic benefit cost [Abstract] Expected return on plan assets Defined Benefit Plan, Expected Return on Plan Assets Weighted-average assumptions used to determine benefit obligations [Abstract] Defined Benefit Plan, Asset Categories [Axis] Pension plan liabilities Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Fair value of total plan assets by major asset category (in hundredths) Weighted-average assumptions used to determine net periodic pension cost [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Depreciation and amortization Depreciation and amortization expense Depreciation Schedule of assets held for sale Income tax expense (benefit) Discontinued Operation, Tax Effect of Discontinued Operation Loss before income tax Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax DISCONTINUED OPERATIONS [Abstract] Accounts receivable, less allowance of $1,545 at December 31, 2014 Disposal Groups, Including Discontinued Operations, Name [Domain] Revenue Disposal Group, Including Discontinued Operation, Revenue Valuation allowance from discontinued operations Assets held for sale, net Disposal Group, Including Discontinued Operation, Long Lived Assets Result of discontinued operations [Abstract] Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] Goodwill, discontinued operations Goodwill Property, equipment and facilities - at cost, net of accumluated depreciation and amortization of $17,843 and $1,418 at December 31, 2014 and 2013, respectively DISCONTINUED OPERATIONS DIVIDENDS [Abstract] Cash dividend Dividends, Common Stock, Cash Basic Basic [Abstract] Diluted Diluted [Abstract] Weighted average number of common shares outstanding: WEIGHTED AVERAGE COMMON SHARES Earnings Per Share [Text Block] Net loss per share (in dollars per share) Net loss per share Earnings Per Share, Basic Net loss per share (in dollars per share) Net loss per share WEIGHTED AVERAGE COMMON SHARES [Abstract] Total (in hundredths) Effective Income Tax Rate Reconciliation, Percent Other (in hundredths) State tax (benefit) expense (net of federal) (in hundredths) Valuation allowance (in hundredths) Permanent impairment (in hundredths) Stock Options [Member] Unrecognized restricted stock expense Weighted average period Weighted average period of unrecognized pre-tax compensation Unrecognized pre-tax compensation expense Accrued compensation and benefits Equity Component [Domain] Equity Securities [Member] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value of Financial Instruments Significant Other Observable Inputs (Level 2) [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] Significant Unobservable Inputs (Level 3) [Member] Interest expense related to financing obligations Financing Interest Expense 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Four Weighted average amortization period Finite-Lived Intangible Asset, Useful Life Gross carrying amount, beginning balance Gross carrying amount, ending balance Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets [Line Items] Estimated future amortization expense [Abstract] Accumulated amortization, beginning balance Accumulated amortization, ending balance Finite-Lived Intangible Assets, Accumulated Amortization Net carrying amount at end of the period Net carrying amount Finite-Lived Intangible Assets, Net Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets by Major Class [Axis] 2015 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Five 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Three Fixed Income [Member] Loss (gain) on disposition of assets Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Gain on sale of assets Gain (Loss) on Disposition of Assets Impairment of goodwill and long-lived assets Goodwill impairment Goodwill impairment Goodwill, Impairment Loss Net Goodwill Balance Goodwill Goodwill and Other Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] GOODWILL AND OTHER INTANGIBLES Goodwill and Intangible Assets Disclosure [Text Block] Accumulated impairment losses Goodwill, Impaired, Accumulated Impairment Loss Changes in Carrying Amount of Goodwill [Abstract] Gross Goodwill Balance Goodwill, Gross GOODWILL AND OTHER INTANGIBLES [Abstract] Goodwill and Other Intangible Assets [Abstract] Asset held for sale Impairment of Long-Lived Assets Impairment of long-lived assets Impairment Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Impairment of Long-Lived Assets [Abstract] Impairment or Disposal of Tangible Assets Disclosure [Abstract] Impairment Impairment of Intangible Assets (Excluding Goodwill) Impairment Impairment of Intangible Assets, Finite-lived Loss per share from continuing operations (in dollars per share) (Loss) earnings per share from continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share LOSS FROM CONTINUING OPERATIONS (Loss) income from continuing operations Loss per share from discontinued operations (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract] LOSS FROM CONTINUING OPERATIONS BEFORE INCOME TAXES Loss from continuing operations before taxes INCOME TAXES [Abstract] Disposal Group Name [Axis] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Loss per share from continuing operations (in dollars per share) LOSS FROM DISCONTINUED OPERATIONS, NET OF INCOME TAXES Loss from discontinued operations Net loss from discontinued operations Loss per share from discontinued operations (in dollars per share) Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Components of the provision for income taxes from continuing operations [Abstract] (BENEFIT ) PROVISION FOR INCOME TAXES Total provision (benefit) Valuation allowance INCOME TAXES Income Tax Disclosure [Text Block] Difference between the actual tax provision and the tax provision that would result from the use of the Federal statutory rate [Abstract] Income taxes Income Taxes Paid Other Permanent impairment State tax benefit (net of federal) Income Taxes Income Tax, Policy [Policy Text Block] Accounts receivable Increase (Decrease) in Accounts Receivable Accounts payable Increase (Decrease) in Accounts Payable Accrued expenses Increase (Decrease) in Accrued Liabilities Other assets Increase (Decrease) in Other Noncurrent Assets Unearned tuition Increase (Decrease) in Deferred Revenue Other liabilities Inventories Increase (Decrease) in Inventories Increase (decrease) in liabilities, net of acquisition of business: Prepaid income taxes and income taxes receivable Increase (Decrease) in Income Taxes Receivable (Increase) decrease in assets, net of acquisition of business: Prepaid expenses and current assets Increase (Decrease) in Prepaid Expense and Other Assets Pension plan liabilities Increase (Decrease) in Pension Plan Obligations Increase (Decrease) in Stockholders' Equity [Roll Forward] Dilutive effect of stock options (in shares) Indefinite-lived Intangible Assets by Major Class [Axis] Indefinite-lived Intangible Assets [Line Items] Gross carrying amount, beginning balance Net carrying amount at end of the period Gross carrying amount, ending balance Indefinite-Lived Intangible Assets (Excluding Goodwill) Indefinite-lived Intangible Assets, Major Class Name [Domain] Write-off Indefinite-lived Intangible Assets, Written off Related to Sale of Business Unit Intangible Assets (Excluding Goodwill) [Abstract] Intangible Assets, Net (Excluding Goodwill) [Abstract] Net carrying amount Interest expense Interest Expense Interest Interest Paid Inventories Disposal Group, Including Discontinued Operation, Inventory, Current Inventories Inventories Inventory, Policy [Policy Text Block] Interest income Lease Term Amount outstanding under letter of credit Letters of Credit Outstanding, Amount Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Land [Member] Lease rent expense Operating Leases, Rent Expense Lease expiration date Letter of Credit [Member] Total current liabilities Liabilities, Current TOTAL Liabilities and Equity Liabilities accrued for or noncash purchases of fixed assets Liabilities Assumed CURRENT LIABILITIES: Total liabilities Liabilities NONCURRENT LIABILITIES: LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Credit agreement Maximum borrowing capacity of credit facility Expiration date of credit facility Line of Credit Facility, Expiration Date Line of credit amount available Reduced amount of credit facility Credit Agreement [Member] Line of Credit [Member] Interest rate of credit facility (in hundredths) Liquidity Long Lived Assets Held-for-sale [Line Items] Finance Obligation, Total Long-term Debt Long Lived Assets Held-for-sale, Name [Domain] Long-term debt and lease obligations Long-term Debt and Capital Lease Obligations Long-term debt and lease obligations [Abstract] Long Lived Assets Held-for-sale by Asset Type [Axis] 2015 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2017 Long-term Debt, Maturities, Repayments of Principal in Year Three 2016 Long-term Debt, Maturities, Repayments of Principal in Year Two Less current maturities Long-term Debt and Capital Lease Obligations, Current Finance Obligation [Abstract] Current portion of credit agreement Long-term Debt, Current Maturities Long-term credit agreement 2018 Long-term Debt, Maturities, Repayments of Principal in Year Four Thereafter Long-term Debt, Maturities, Repayments of Principal after Year Five 2019 Long-term Debt, Maturities, Repayments of Principal in Year Five Loss contingency Loss Contingency, Estimate of Possible Loss Surety bonds Advertising Costs [Abstract] Marketing and Advertising Expense [Abstract] Maximum [Member] Minimum [Member] Movement in Valuation Allowances and Reserves [Abstract] Net loss NET LOSS Net (loss) income CASH FLOWS FROM FINANCING ACTIVITIES: CASH FLOWS FROM INVESTING ACTIVITIES: Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities CASH FLOWS FROM OPERATING ACTIVITIES: Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities New Accounting Pronouncements [Abstract] New Accounting Pronouncements SUPPLEMENTAL SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES: Non-compete [Member] Noncompete Agreements [Member] OTHER: Number of states in which schools operates across the United States Number of States in which Entity Operates Number of reportable segments 2019 Operating Leases, Future Minimum Payments, Due in Five Years Operating Leases [Abstract] 2018 Operating Leases, Future Minimum Payments, Due in Four Years 2017 Operating Leases, Future Minimum Payments, Due in Three Years 2016 Operating Leases, Future Minimum Payments, Due in Two Years OPERATING LOSS Thereafter Operating Leases, Future Minimum Payments, Due Thereafter 2015 Operating Leases, Future Minimum Payments Due, Next Twelve Months Operating Leases, Total Operating Leases, Future Minimum Payments Due Net operating loss carryforwards SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Actuarial loss Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Net of Tax Employee pension plan adjustments, taxes Outstanding net loan commitment Other Commitment Employee pension plan adjustments, net of taxes Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Other assets, net Other income Other long-term liabilities Other short-term liabilities Other comprehensive loss Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other accrued expenses Pension plan adjustments Employee pension plan adjustments, net of taxes of $0, $1,283 and $25 for the years ended December 31, 2014, 2013 and 2012, respectively Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax, Portion Attributable to Parent ACCRUED EXPENSES [Abstract] Net share settlement for equity-based compensation Payments for Repurchase of Other Equity Acquisition of business, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Dividends paid Payments of Ordinary Dividends, Common Stock Capital expenditures Payments to Acquire Property, Plant, and Equipment Payment of deferred finance fees Payments of Financing Costs PENSION PLAN Pension and Other Postretirement Benefits Disclosure [Text Block] Noncurrent liabilities Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent Pension Contributions Pension Plan [Member] Periodic Pension Cost [Member] Performance Shares [Member] Plan Name [Domain] Plan Asset Categories [Domain] Plan Name [Axis] Preferred stock, par value (in dollars per share) Preferred stock, no par value - 10,000,000 shares authorized, no shares issued and outstanding at December 31, 2014 and 2013 Preferred stock, shares issued (in shares) Preferred stock, shares authorized (in shares) Preferred stock, shares outstanding (in shares) Prepaid income taxes and income taxes receivable Prepaid Taxes Prepaid expenses and other current assets Reclassifications of proceeds from borrowings to restricted cash Proceeds from borrowings Proceeds from sale of property and equipment Property, Equipment and Facilities - Depreciation and Amortization Property, Plant and Equipment, Policy [Policy Text Block] Useful life (years) Property, equipment and facilities, Gross Property, equipment and facilities, Net PROPERTY, EQUIPMENT AND FACILITIES - At cost, net of accumulated depreciation and amortization of $136,910 and $146,795 at December 31, 2014 and 2013, respectively PROPERTY, EQUIPMENT AND FACILITIES [Abstract] Property, equipment and facilities Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Axis] PROPERTY, EQUIPMENT AND FACILITIES Property, Plant and Equipment Disclosure [Text Block] Property, equipment and facilities net [Abstract] Property, Plant and Equipment [Line Items] Fixed asset donation Provision for doubtful accounts Public Utilities General Disclosures [Table] Public Utilities, General Disclosures [Line Items] UNAUDITED QUARTERLY FINANCIAL INFORMATION Quarterly Financial Information [Text Block] UNAUDITED QUARTERLY FINANCIAL INFORMATION [Abstract] Range [Axis] Range [Domain] Activity related to uncertain tax positions [Roll Forward] Regulatory Agency [Domain] Regulatory Agency [Axis] Principal payments under capital lease obligations Repayments of Long-term Capital Lease Obligations Payments on borrowings Repayments of Long-term Debt Restricted cash Restricted Stock [Member] Retained earnings Retained Earnings [Member] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Weighted Exercise Price (in dollars per share) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price Exercisable, ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Expected life (term) Weighted Average Price (in dollars per share) Vested or expected to vest Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Exercisable, ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Outstanding, beginning balance Outstanding, ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Contractual Weighted Average Life Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term Summary of estimated future amortization expense Net proceeds from sale and leaseback transaction Rent expense under finance lease Sale and a leaseback of several facilities, Date REVENUE Revenues Revenue, Net Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Summary of transactions pertaining to option plans Components of net periodic cost for plan Schedule of plan's funded status Plan assets using fair value hierarchy Weighted average assumptions for grants Components of provision for income taxes Difference between actual tax provision and tax provision that would result from use of Federal statutory rate Components of deferred tax assets Activity related to uncertain tax positions Accrued expenses Schedule of Accrued Liabilities [Table Text Block] Schedule Of Finite-Lived Intangible Assets [Table] Amounts recognized in consolidated balance sheets Schedule of Indefinite-Lived Intangible Assets [Table] Quarterly financial information Amounts recognized in accumulated other comprehensive loss Summary of transactions pertaining to restricted stock Weighted-average assumptions used Weighted average number of common shares used to compute basic and diluted income per share Schedule of Weighted Average Number of Shares [Table Text Block] Expected benefit payments for plan Long-term debt and lease obligations Results of operations at campuses Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Long Lived Assets Held-for-sale [Table] Changes in carrying amount of goodwill Schedule of Property, Plant and Equipment [Table] Schedule II-Valuation and Qualifying Accounts Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Summary of options outstanding SEGMENT REPORTING [Abstract] SEGMENT REPORTING Segment Reporting Disclosure [Text Block] Geographical [Domain] Selling, general and administrative Shares [Abstract] Weighted Average Exercise Price Per Share [Abstract] Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Nonvested restricted stock outstanding, beginning balance (in shares) Nonvested restricted stock outstanding, ending balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Stock-based compensation expense Share-based Compensation [Abstract] Stock-based compensation expense Vested (in shares) Vesting period of performance-based shares Weighted Average Grant Date Fair Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Nonvested restricted stock outstanding, beginning balance (in dollars per share) Nonvested restricted stock outstanding, ending 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 Cancelled (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 Cancelled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Weighted-average exercise price during the year (in dollars per share) Exercised (in dollars per share) Expected dividend yield (in hundredths) Vested (in dollars per share) Exercisable, ending balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Exercised Expected volatility (in hundredths) Risk-free interest rate (in hundredths) Weighted average assumptions for grants [Abstract] Weighted average fair values of options granted (in dollars per share) Canceled (in dollars per share) Canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Outstanding, ending balance (in dollars per share) Outstanding, beginning balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Exercisable, ending balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Outstanding, ending balance (in shares) Outstanding, beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Vested or expected to vest (in shares) Outstanding, ending balance Outstanding, beginning balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Exercise Price Range [Axis] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Shares [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Award Type [Domain] Vested or expected to vest (in dollars per share) Vested or expected to vest Shares (in shares) Shares (in shares) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options Range of Exercise Prices, Maximum (in dollars per share) Range of Exercise Prices, Minimum (in dollars per share) Start-up Costs Start-up Activities, Cost Policy [Policy Text Block] Statement [Table] Statement [Line Items] CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY [Abstract] CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME [Abstract] Geographical [Axis] CONSOLIDATED STATEMENTS OF CASH FLOWS [Abstract] Statement, Equity Components [Axis] CONSOLIDATED BALANCE SHEETS [Abstract] Net share settlement for restricted stock (in shares) Net share settlement for equity-based compensation (in shares) Restricted stock (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Net share settlement for stock options (in shares) Net share settlement for equity-based compensation Stock Issued During Period, Value, Restricted Stock Award, Forfeitures Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Restricted stock Stock Issued During Period, Value, Restricted Stock Award, Gross STOCKHOLDERS' EQUITY: LIABILITIES AND STOCKHOLDERS' EQUITY Stockholders' Equity Attributable to Parent [Abstract] BALANCE BALANCE Total stockholders' equity Stockholders' Equity Attributable to Parent STOCKHOLDERS' EQUITY [Abstract] STOCKHOLDERS' EQUITY Stockholders' Equity Note Disclosure [Text Block] SUBSEQUENT EVENT SUBSEQUENT EVENT [Abstract] Subsequent Event [Member] Subsequent Event Type [Domain] Subsequent Event Type [Axis] SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION: Trade Name [Member] Indefinite Trade Name [Member] Trade Name [Member] Accounts Receivable Trade and Other Accounts Receivable, Policy [Policy Text Block] Treasury stock, shares (in shares) Treasury Stock [Member] Treasury stock at cost - 5,910,541 shares at December 31, 2013 and 2012 Treasury Stock, Value Increase for tax positions of current year Balance, end of period Balance, beginning of period Unrecognized Tax Benefits Decrease for tax positions of prior years Use of Estimates in the Preparation of Financial Statements Valuation and Qualifying Accounts Disclosure [Table] Valuation Allowances and Reserves [Domain] Charged to Expense Balance at End of Period Balance at Beginning of Period Valuation Allowances and Reserves, Balance Accounts Written-off Valuation Allowances and Reserves, Deductions Schedule II-Valuation and Qualifying Accounts [Abstract] Valuation and Qualifying Accounts Disclosure [Line Items] Valuation Allowances and Reserves Type [Axis] Vehicles [Member] Shares used to compute basic and diluted loss income per share [Abstract] Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic shares outstanding (in shares) Basic (in shares) Diluted shares outstanding (in shares) Diluted (in shares) This element represents the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to state and local income tax expense or benefit. Income Tax Reconciliation Expected tax Expected tax benefit This element represents the expected income tax rate expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to state and local income tax expense or benefit. Effective Income Tax Rate Reconciliation Expected tax Expected tax (benefit) expense (in hundredths) Current portion of deferred tax asset attributable to deductible temporary differences from the allowance for doubtful accounts. Deferred Tax Assets Current Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts Allowance for bad debts Current portion of deferred tax asset attributable to deductible temporary differences from accrued vacation. Deferred Tax Assets Current Accrued Vacation Accrued vacation Refers to the limitations on the use of all operating loss carryforwards available to reduce future taxable income. Net Operating Loss Carryforwards Limitations on Amount Utilized Net operating loss carryforwards limitations on amount utilized Non-current portion of deferred tax asset attributable to deductible temporary differences from other intangibles. Deferred Tax Assets Non Current Other Intangibles Other intangibles Non-current portion of deferred tax asset attributable to deductible operating loss carryforwards. Deferred Tax Assets Non Current Net Operating Loss Carryforwards Net operating loss carryforwards Amount receivable before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed. Deferred Tax Assets AMT Credit AMT credit Non-current portion of deferred tax asset attributable to deductible temporary differences from the allowance for doubtful accounts. Deferred Tax Assets Non Current Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts Allowance for bad debts Non-current portion of deferred tax asset attributable to deductible temporary differences from depreciation. Deferred Tax Assets Non Current Depreciation Depreciation The entire disclosure related to dividends, including amount of dividends declared and dates of record and payment. Dividends Disclosure [Text Block] DIVIDENDS The aggregate amount of write-downs for impairments of goodwill and long-lived assets recognized during the period for continuing operations. Impairment of Goodwill and Long Lived Assets Continuing Impairment of goodwill and long-lived assets Long-term finance obligation Long-term finance obligation The aggregate amount of write-downs for impairments of goodwill and long-lived assets recognized during the period for continuing and discontinued operations. Impairment of Goodwill and Long Lived Assets Impairment of goodwill and long-lived assets Cash paid during the year for: [Abstract] Cash paid during the year for: Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. Deferred Income Tax Expenses (Benefits) Deferred income taxes Amount of the current period expense charged against operations as an adjustment to the balance of deferred rent. Deferred Rent Expense Deferred rent Refers to the place where entity training institute is located. Florida [Member] Refers to a place where entity's campus is located. Kentucky [Member] Refers to a place where entity's campus is located. Ohio [Member] Number of campuses to be ceased operation as per the plan approved by Board of Directors. Seven Campuses [Member] Number of campuses to be ceased operation as per the plan approved by Board of Directors. Five Campuses [Member] Five Campuses [Member] Document and Entity Information [Abstract] Disclosure of accounting policy oh how the entity determines the level of its allowance of uncollectible accounts. Allowance For Uncollectible Accounts [Policy Text Block] Allowance for uncollectible accounts Disclosure of accounting policy for business activities. Any activity that is engaged in for the primary purpose of making a profit. Business activities can include things like operations, marketing, production and administration. Business Activities [Policy Text Block] Business Activities Disclosure of accounting policy of rental expense from operating leases for each period for which an income statement is presented with separate amounts for minimum rentals, contingent rentals, and sublease rentals. Rental payments under leases with terms of a month or less that were not renewed need not be included. Operating Lease Rent Expense [Policy Text Block] Rent Expense Information related to benefit obligations. For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date. Defined Benefit Plan Benefit Obligation [Member] Benefit Obligations [Member] Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans by percentage. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. Schedule of Allocation of Plan Assets By Percentage [Table Text Block] Fair value of total plan assets by major asset category This category includes information about ownership interests or the right to acquire ownership interests in corporations and other legal entities which ownership interest is represented by shares of common or preferred stock (which is neither mandatorily redeemable no redeemable at the option of the holder), convertible securities, stock rights, or stock warrants. International Equity Securities [Member] International Equities [Member] Represents the maximum percentage of contribution by employee which is specified as percentage of compensation. Maximum contribution by employee specified as percentage of compensation Maximum contribution by employee specified as percentage of compensation (in hundredths) Deferred income taxes that are recognized as increases (decreases) in other comprehensive income as they arise. Defined Benefit Plan Amounts Recognized in Other Comprehensive Income Loss Deferred Income Taxes Deferred income taxes Projected period for non-annuitants. Projected period for non-annuitants Projected period for annuitants. Projected period for annuitants Change in mortality assumption. Change in mortality assumption Refers to the government-sponsored financial institute. U.S. Department of Education [Member] Minimum percentage for Posting a letter of credit to the total Title IV Program funds received by the institution during the institution's most recently completed fiscal year; Minimum percentage Letter of credit amount equal Total Title IV Program funds Minimum percentage Letter of credit amount equal Total Title IV Program funds (in hundredths) Refers to Maximum Period for institution to participate under the Zone Alternative. Maximum Period for institution to participate under the Zone Alternative Refers to maximum notification period make disbursements to students under the Heightened Cash Monitoring 1 (HCM1) payment method. Maximum Notification period This line item represents the composite score for institutes responsibility to be deemed financially responsible without the need for further oversight. Minimum Composite required for financial responsibility Minimum Composite required for financial responsibility Represents the maximum specified percentage of net revenues on cash basis indirectly derived from funds. Maximum specified percentage of net revenues on cash basis indirectly derived from funds Maximum specified percentage of net revenues on cash basis indirectly derived from funds (in hundredths) This line item represents the minimum composite score for financial responsibility set by by the U.S. Department of Education (the "DOE"). Standard composite score for financial responsibility, minimum This line item represents the maximum composite score for financial responsibility set by by the U.S. Department of Education (the "DOE"). Standard composite score for financial responsibility, maximum Represents the number of years for which entity may not reapply for eligibility, once became ineligible. Period for which entity may not reapply for eligibility Period over which entity becomes ineligible if it receives 90% of its overall revenue from the funds. Period over which entity became ineligible after receiving specified percentage as revenue from funds Period over which entity became ineligible after receiving specified percentage as revenue from funds This line item represents the composite score for financial responsibility set by by the U.S. Department of Education (the "DOE"). Composite score for financial responsibility Represents the percentage of net revenues on cash basis indirectly derived from funds. Percentage of net revenues on cash basis indirectly derived from funds Percentage of net revenues on cash basis indirectly derived from funds (in hundredths) The entire disclosure of financial aid and regulatory compliance. FINANCIAL AID AND REGULATORY COMPLIANCE [Text Block] FINANCIAL AID AND REGULATORY COMPLIANCE FINANCIAL AID AND REGULATORY COMPLIANCE [Abstract] The excess amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation. Excess Cash Federal Deposit Insured Amount Excess cash, FDIC insured amount Pre tax charge related to assets impairment of assets Asset Impairment Pre Tax Charge Pretax charge related to impairment of long lived assets Pre-tax charge recognized recognized during the period that results from the write down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment. Goodwill Impairment Loss Pre Tax Charge Goodwill impairment loss pre tax charge Represents the number of units impaired which resulted in decrease of entity's market capitalization. Number of Units Impaired Number of units impaired Represents the maximum maturity period of highly liquid investments for classification as cash equivalents. Maximum maturity period for classification of cash equivalents Maximum maturity period for classification of cash equivalents Represents the number of training sites. Number Of Training Sites Number of training sites operates across the United States Number of assets groups impaired as a result of the impairment testing for long-lived assets. Number of assets groups impaired Number of assets groups impaired Pre tax charge related to definite lived intangible assets due to long-lived assets impairment. Asset Impairment Definite Lived Intangible Assets Pretax charges related to definite-lived intangible assets Pre tax charge pertaining to discontinued operations related to impairment. Impairment related to discontinued operations Element refers to pre tax charge for impairment of leasehold improvement of long-lived assets. Pre tax charge for impairment of leasehold improvements Represents the number of schools. Number of Schools Number of schools operates across the United States Represents the amount of cash that can be deposited with financial institutions under federal deposit insurance limit. Federal Deposit Insurance Limit For Cash With Financial Institutions Federal deposit insurance limit Concentration of Credit Risk [Abstract] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Intangible Assets [Line Items] Schedule of assets, excluding financial assets and goodwill, lacking physical substance. Schedule Of Intangible Assets [Table] Represents the number of principal area of study. Number of Principal Area of Study Number of principal area of study Business Activities [Abstract] Business Activities [Abstract] Liquidity [Abstract] Refers to number of campuses. Number of campuses Number of training sites Represents the period which is considered for lease extension. Period considered for lease extension Represents the commitments related to future employment contract. Future employment contract commitments Represents the interest included in finance obligation. Interest Included in Finance Obligation Less amount representing interest Carrying amount of long-term debt, excluding interest, unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Long term Debt Excluding Interest Finance obligation net of interest This line item represents the number of owned facilities for which sale and a leaseback are completed. Sale Leaseback Number of Owned Facilities Number of owned facilities This line item represents the amount necessary to reduce net minimum lease payments to present value for operating leases. Operating Leases Future Minimum Payments Interest Included in Payments Less amount representing interest Present value of minimum lease payments for capital leases present value of minimum lease payments for operating leases. Operating Leases Future Minimum Payments Present Value of Net Minimum Payments Operating leases net of interest Number of lease extensions. Number of lease extensions Contracts conveying rights, but not obligations, to buy or sell a specific quantity of stock at a specified price during a specified period (an American option) or at a specified date (a European option). Stock Option 2 [Member] Stock Option [Member] Contracts conveying rights, but not obligations, to buy or sell a specific quantity of stock at a specified price during a specified period (an American option) or at a specified date (a European option). Stock Option 1 [Member] Stock Option [Member] Represents loan that grants institutions access to large amounts of cash in order to cover possible shortfalls from other debt commitments. Swing Line [Member] Represents number of lenders led by bank. Number of Lenders Led by Bank Number of lenders led by Bank of America Amount of long-term debt and capital lease obligation, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Long Term Debt Maturities and Capital Lease Obligations Repayments of Principal In Year Four 2018 Amount of long-term debt and capital lease obligation, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Long Term Debt Maturities and Capital Lease Obligations Repayments Of Principal In Next Twelve Months 2015 Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Includes capital lease obligations. Long Term Debt and Capital Lease Obligations Total Long term debt and capital lease obligations The percentage points added to the reference rate to the LIBOR rate to compute the variable rate on the debt instrument. Debt Instrument Basis Spread On Variable Rate on LIBOR Rate LIBOR rate plus, variable rate (in hundredths) Amount of long-term debt and capital lease obligation, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Long Term Debt Maturities and Capital Lease Obligations Repayments Of Principal In Year Three 2017 Amount of long-term debt and capital lease obligation, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Long Term Debt Maturities and Capital Lease Obligations Repayments of Principal After Year Five Thereafter Amount of long-term debt and capital lease obligation, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Long Term Debt Maturities and Capital Lease Obligations Repayments of Principal In Year Five 2019 Amount of long-term debt and capital lease obligation, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Long Term Debt Maturities and Capital Lease Obligations Repayments of Principal In Year Two 2016 Long Term Debtand Capital Lease Obligations By Maturity [Abstract] Scheduled maturities of long-term debt and lease obligations [Abstract] Represents maturity period of credit facility. Maturity Period of Credit Facility Maturity period of credit facility Represents lease of property which represents ownership and is reflected on the entity's balance sheet as an asset. Capital Lease Property [Member] Capital Lease-Property (with a rate of 8.0%) [Member] A contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time, and under which borrowings outstanding may be either short-term or long-term, depending upon the particulars. Two Thousand Nine Credit Agreement [Member] Old Credit Agreement [Member] Represents lease of equipment which represents ownership and is reflected on the entity's balance sheet as an asset. Capital Leases Equipment [Member] Capital Leases-Equipment (with rates ranging from 5.0% to 8.5%) [Member] Financial obligation represents to an outstanding debt that a party must still repay - and if they do not pay, they default on the debt. Finance Obligation [Member] Finance Obligation [Member] Represents extension period of credit facility. Extension period of credit facility A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible related to Disposal Group, Including Discontinued Operation. Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Less account receivables allowance Accounts receivable, allowance Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services, related to Disposal Group, Including Discontinued Operation. Disposal Group, Including Discontinued Operation, Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Property, equipment and facilities - accumulated depreciation and amortization Refers to the Number of campuses held for sale. Number of campuses held for sale A valuation allowance for receivables due to an Entity for more than one year from the balance sheet date that are expected to be uncollectible, related to Disposal Group, Including Discontinued Operation. Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Less account receivables allowance noncurrent Noncurrent receivables, allowance Refers to Amount classified as accrued expenses attributable to disposal group held for sale or disposed of. Disposal Group Including Discontinued Operation Accrued expenses Accrued expenses Refers to Amount classified as unearned tuition attributable to disposal group held for sale or disposed of. Disposal Group Including Discontinued Operation Unearned tuition Unearned tuition Long Lived Assets Held For Sale Parenthetical data [Abstract] Amount classified as noncurrent accounts, notes and loans receivable attributable to disposal group held for sale or disposed of. Disposal Group Including Discontinued Operation Accounts Notes And Loans Receivable Noncurrent Noncurrent receivables, less allowance of 95 at December 31, 2014 Equipment refers to tangible personal property used to produce goods and services. Furniture and fixtures refers to commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases. Equipment Furniture and Fixtures [Member] Equipment, Furniture and Fixtures [Member] The cumulative amount of depreciation, depletion and amortization related to interest cost of property, plant and equipment. Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Capitalized Interest Cost Accumulated depreciation on capitalized interest cost Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings and for capital lease obligations for each of the five years following the date of the latest balance sheet date presented. Schedule of Maturities of Long Term Debt And Capital Lease Obligations [Table Text Block] Scheduled maturities of long-term debt and lease obligation Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life and indefinite life by either major class or business segment. Schedule of Finite Lived and Indefinite Lived Intangible Assets [Table Text Block] Summary of finite-lived and indefinite-lived intangible assets The aggregate expense charged against earnings to allocate the cost of finite and indefinite intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Amortization Of Finite And Indefinite Intangible Assets Total Amortization Impairment recognized during the period and allocated to the reportable segment that results from the write-down of indefinite-lived intangible assets after comparing the implied fair value of reporting unit indefinite-lived intangible assets with the carrying amount of that indefinite-lived intangible assets, which are assessed at least annually for impairment. Accumulated Amortization of Indefinite lived Intangible Assets, Impairment Losses Impairment Impairment Charges included in discontinued operation. Impairment charges included in discontinued operation Impairment charges included in discontinued operation Accreditation is a non-governmental process through which a school submits to ongoing qualitative and quantitative review by an organization of peer institutions. Accreditation [Member] Accreditation [Member] Curriculum is the set of courses, and their content, offered at a school or university. Curriculum [Member] Curriculum [Member] Impairment recognized during the period and allocated to the reportable segment that results from the write-down of finite and indefinite-lived intangible assets. Accumulated Amortization of Intangible Assets, Impairment Loss Impairment The aggregate expense charged against earnings to allocate the cost of indefinite intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Amortization Of indefinite Intangible Assets Amortization The amount recognized in the period resulting from the write-down of the gross carrying amount of infinite and indefinite-lived intangible asset to fair value. Write Off of Finite and Indefinite Intangible Assets Write-off The amount of impairment loss recognized in the period resulting from the write-down of the gross carrying amount of a finite-lived intangible asset to fair value. Accumulated Amortization of Finite Lived Intangible Assets, Impairment Loss Impairment The amount recognized in the period resulting from the write-down of the gross carrying amount of a indefinite-lived intangible asset to fair value. Accumulated Amortization Of Indefinite Lived Intangible Assets Write Off Write-off The aggregate expense charged against earnings to allocate the cost of indefinite intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Accumulated Amortization On Infinite Intangible Assets Accumulated amortization, beginning balance Accumulated amortization, ending balance The amount recognized in the period resulting from the write-down of the gross carrying amount of a finite-lived intangible asset to fair value. Accumulated Amortization of Finite Lived Intangible Assets Write Off Write-off Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date. Intangible Assets, Gross (Excluding Goodwill), Total Gross carrying amount, Total Gross carrying amount, Total Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance. Accumulated amortization, Total Accumulated amortization, Total Accumulated amortization, Total The aggregate expense write-off against earnings to allocate the cost of intangible assets (nonphysical assets not used in production). Intangible assets written off Write-off The aggregate expense write-off against earnings to allocate the cost of finite lived intangible assets (nonphysical assets not used in production). Finite Lived Intangible Asset Written Off Write-off Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of equity instruments other than options outstanding. Share-based Compensation Arrangement by Share-based Payment Awards, Equity Instruments Other Than Options, Intrinsic Value Outstanding restricted shares, intrinsic value Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Abstract] Range of Exercise Prices [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Stock Options Outstanding [Abstract] Stock Options Outstanding [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Stock Options Exercisable [Abstract] Stock Options Exercisable [Abstract] Summary of Stock Options Outstanding [Abstract] Summary of stock options outstanding [Abstract] Represents the stock incentive plan of the entity. Long Term Incentive Plan [Member] LTIP [Member] Type of estimate of range of exercise prices, one including but not limited to, upper and lower bound amounts, maximum and minimum amounts, and point estimates. Range 3 [Member] $ 20.00-$25.00 [Member] Type of estimate of range of exercise prices, one including but not limited to, upper and lower bound amounts, maximum and minimum amounts, and point estimates. Range 2 [Member] $ 14.00-$19.99 [Member] Type of estimate of range of exercise prices, one including but not limited to, upper and lower bound amounts, maximum and minimum amounts, and point estimates. Range 1 [Member] $ 4.00-$13.99 [Member] Represents specified operating income margin period for the employees right to become exercisable. Specified Operating Income Margin Period Specified operating income margin period Share Based Compensation Arrangement By Share Based Payment Award Weighted Average Remaining Contractual Term [Abstract] Weighted Average Remaining Contractual Term [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Aggregate Intrinsic Value [Abstract] Aggregate Intrinsic Value [Abstract] Summary of Transactions Pertaining to Stock Options [Abstract] Summary of transactions pertaining to stock options [Abstract] Stock Options [Abstract] Stock Options [Abstract] Represents the amount of equity decrease during the reporting period for payment of certain taxes on behalf of employees. Decrease in Equity Due to Payment of Tax for Employee Decrease in equity due to payment of tax for employee Represents number of stock incentive plans. Number of Stock Incentive Plans Number of stock incentive plans Amount of aggregate intrinsic value of the shares canceled. Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures and Expirations In Period Total Intrinsic Value Canceld