Document And Entity Information. Document And Entity Information [Abstract] Statement [Table] Statement [Line Items] Document Type Amendment Flag Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Entity Common Stock, Shares Outstanding Entity Public Float Entity Well-known Seasoned Issuer Entity Current Reporting Status Entity Voluntary Filers Consolidated Balance Sheets [Abstract] Assets [Abstract] ASSETS Cash and Cash Equivalents, at Carrying Value CASH AND CASH EQUIVALENTS, end of period CASH AND CASH EQUIVALENTS, beginning of period Cash and Cash Equivalents, at Carrying Value, Total Cash and cash equivalents Accounts Receivable, Net, Current Accounts receivable, net of allowances for doubtful accounts Accounts Receivable, Net, Current, Total Accounts receivable, net of allowance of $1,218 and $1,568, respectively Deferred Tax Assets, Net, Current Deferred Tax Assets, Net, Current, Ending Balance Deferred Tax Assets, Net, Current, Beginning Balance Net total current deferred tax assets Deferred tax assets Other Assets, Current Prepaid expenses and other current assets Assets of Disposal Group, Including Discontinued Operation, Current Current assets of discontinued operations Total current assets Total current assets Assets, Current Total current assets Total current assets Property, Plant and Equipment, Net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property, and Equipment, total Property and equipment, net Restricted Cash and Cash Equivalents, Noncurrent Restricted cash Capital Leases, Lessor Balance Sheet, Net Investment in Direct Financing Leases, Noncurrent Investment in direct financing lease Goodwill Detail Goodwill, Ending Balance Goodwill, Beginning Balance Goodwill, Total Goodwill Other Assets, Noncurrent Other assets, total Other assets Assets of Disposal Group, Including Discontinued Operation, Noncurrent Non-current assets of discontinued operations Non-current assets of discontinued operations Assets Total assets Total assets Liabilities and Stockholders' Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Accounts Payable and Accrued Liabilities, Current Accounts payable and accrued expenses, total Accounts payable and accrued expenses Accrued Income Taxes, Current Income taxes payable Liabilities of Disposal Group, Including Discontinued Operation, Current Total current liabilities Current liabilities of discontinued operations Liabilities, Current Total current liabilities Total current liabilities Long-term Debt, Excluding Current Maturities Debt, Carrying Amount Long-term debt Long-term Debt, Excluding Current Maturities, Total Long-term debt, net of current portion Deferred Tax Liabilities, Noncurrent Net total noncurrent deferred tax liabilities Total noncurrent deferred tax liabilities Net total noncurrent deferred tax liabilities Deferred tax liabilities Other Liabilities, Noncurrent Other liabilities Other liabilities Liabilities Total liabilities Commitments and contingencies 2009 Commitments and contingencies Preferred Stock, Value, Issued Preferred Stock, Value, Issued, Ending Balance Preferred Stock, Value, Issued, Beginning Balance Preferred stock-$0.01 par value; 50,000 shares authorized; none issued and outstanding at December 31, 2011 and 2010, respectively Preferred Stock, Value, Issued, Total Common Stock, Value, Issued Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Total Common stock - $0.01 par value; 300,000 shares authorized; 99,528 and 109,754 shares issued and outstanding at December 31, 2011 and 2010, respectively Additional Paid in Capital, Common Stock Additional Paid in Capital, Common Stock, Ending Balance Additional Paid in Capital, Common Stock, Beginning Balance Additional paid-in capital Retained Earnings (Accumulated Deficit) Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained earnings (deficit) Retained earnings Stockholders' Equity Attributable to Parent Balance as of Balance as of Total stockholders' equity Liabilities and Stockholders' Equity Total liabilities and stockholders' equity Allowance for Doubtful Accounts Receivable, Current Allowance for Doubtful Accounts Receivable, Current, Ending Balance Allowance for Doubtful Accounts Receivable, Current, Beginning Balance Accounts receivable, allowances for doubtful accounts Allowance for accounts receivable Preferred Stock, Par or Stated Value Per Share Preferred stock, shares par value Preferred stock, par value Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares issued Preferred Stock, Shares Issued, Total Preferred Stock, Shares Outstanding Preferred Stock, Shares Outstanding, Ending Balance Preferred Stock, Shares Outstanding, Beginning Balance Preferred stock, shares outstanding 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, Total Common stock, shares issued Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding, Beginning Balance Common stock, shares outstanding Consolidated Statements Of Operations [Abstract] Sales Revenue, Services, Net [Abstract] REVENUE: Sales Revenue, Services, Net Total revenues Management and other Operating Leases, Income Statement, Lease Revenue Rental Rental Sales Revenue, Net Total Revenues Revenue Costs and Expenses [Abstract] EXPENSES: Operating Costs and Expenses Operating Costs and Expenses, Total Operating General and Administrative Expense General and administrative expense General and administrative expense General and Administrative Expense, Total General and administrative Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Depreciation and amortization Depreciation and amortization Depreciation and amortization Costs and Expenses Total operating expenses Operating Income (Loss) Operating income OPERATING INCOME Operating income Nonoperating Income (Expense) [Abstract] OTHER (INCOME) EXPENSE: Interest Expense Interest expense, net Interest expense associated with the amortization of contract values Interest Expense, Total Interest expense, net Expenses associated with debt refinancing transactions. Expenses Associated With Debt Refinancing Transactions Expenses associated with debt refinancing transactions Other Nonoperating Income (Expense) Other (income) expense Other (income) expense Other (income) expense Other (income) expense Non operating Income Expense Total other (income) expense Total non-operating (income) expense Total other (income) expense Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES Income Tax Expense Benefit Income tax expense Income tax expense Income tax expense Income Loss From Continuing Operations Income from continuing operations INCOME FROM CONTINUING OPERATIONS INCOME FROM CONTINUING OPERATIONS Income Loss from Discontinued Operations Net of Tax Attributable to Reporting Entity Income (loss) from discontinued operations, net of taxes INCOME (LOSS) FROM DISCONTINUED OPERATIONS, NET OF TAXES Income (loss) from discontinued operations, net of taxes Net Income (Loss) Attributable to Parent Net income NET INCOME Net income Earnings Per Share, Basic [Abstract] BASIC EARNINGS PER SHARE: Income Loss From Continuing Operations Per Basic Share Income from continuing operations, basic Income (Loss) from Continuing Operations, Per Outstanding Share, Total Income from continuing operations Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share Income (loss) from discontinued operations, net of taxes, basic Income (loss) from discontinued operations, net of taxes Income (loss) from discontinued operations, net of taxes Earnings Per Share, Basic Net income Basic earnings per share: Net income Earnings Per Share, Diluted [Abstract] DILUTED EARNINGS PER SHARE: Income Loss From Continuing Operations Per Diluted Share Income from continuing operations, diluted Income from continuing operations Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share Income (loss) from discontinued operations, net of taxes, diluted Income (loss) from discontinued operations, net of taxes Income (loss) from discontinued operations, net of taxes Earnings Per Share, Diluted Net income Diluted earnings per share: Net income Consolidated Statements Of Cash Flows [Abstract] Net Cash Provided by (Used in) Operating Activities [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities Adjustments to reconcile net income to net cash provided by operating activities: Depreciation, Depletion and Amortization Depreciation expense Depreciation, Depletion and Amortization, Total Depreciation and amortization Goodwill, Impairment Loss Goodwill impairment charges Goodwill impairment Goodwill impairment Amortization of Financing Costs and Discounts Amortization of Financing Costs and Discounts, Total Amortization of debt issuance costs and other non-cash interest Deferred Income Tax Expense (Benefit) Deferred income tax expense, Total Deferred income taxes Other Noncash Expense Other non-cash items Excess Tax Benefit from Share-based Compensation, Operating Activities Income tax benefit of equity compensation Income tax benefit of equity compensation Share-based Compensation Share-based Compensation, Total Non-cash equity compensation Increase (Decrease) in Operating Capital Changes in assets and liabilities, net: Increase (Decrease) in Operating Assets Accounts receivable, prepaid expenses and other assets Increase (Decrease) in Operating Assets, Total Accounts receivable, prepaid expenses and other assets Increase (Decrease) in Operating Liabilities Increase (Decrease) in Operating Liabilities, Total Accounts payable, accrued expenses and other liabilities Increase (Decrease) in Accrued Income Taxes Payable Income taxes payable Income taxes payable Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities CASH FLOWS FROM INVESTING ACTIVITIES: CASH FLOWS FROM INVESTING ACTIVITIES: Expenditures for facility development and expansions. Expenditures For Facility Development And Expansions Expenditures for facility development and expansions Expenditures for facility development and expansions Payments for Capital Improvements Expenditures for other capital improvements Expenditures for other capital improvements Increase (Decrease) in Restricted Cash Decrease in restricted cash Increase (Decrease) in Restricted Cash, Total Decrease in restricted cash Proceeds from Sale of Property, Plant, and Equipment Proceeds from Sale of Property, Plant, and Equipment, Total Proceeds from sale of assets Payments for Purchase of Other Assets Increase in other assets Payments received on direct financing lease. Payments Received On Direct Financing Lease Payments received on direct financing lease Payments received on direct financing lease and notes receivable Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities CASH FLOWS FROM FINANCING ACTIVITIES: CASH FLOWS FROM FINANCING ACTIVITIES: Proceeds from Issuance of Long-term Debt Proceeds from Issuance of Long-term Debt, Total Proceeds from issuance of debt Repayments of Long-term Debt Principal repayments of debt Repayments of Long-term Debt, Total Principal repayments of debt Payments of Financing Costs Payment of debt issuance and other refinancing and related costs Payments of Financing Costs, Total Payment of debt issuance and other refinancing and related costs Proceeds from Stock Options Exercised Proceeds from exercise of stock options Proceeds from exercise of stock options Payments for Repurchase of Common Stock Purchase and retirement of common stock Purchase and retirement of common stock Excess Tax Benefit from Share-based Compensation, Financing Activities Income tax benefit of equity compensation Net Cash Provided by (Used in) Financing Activities Net cash used in financing activities Net cash used in financing activities Net cash used in financing activities Cash and Cash Equivalents, Period Increase (Decrease) NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations CASH AND CASH EQUIVALENTS, end of year CASH AND CASH EQUIVALENTS, beginning of year Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations, Total Supplemental Cash Flow Information [Abstract] SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION: Cash paid during the period. Cash Paid During Period [Abstract] Cash paid during the period for: Cash paid during the period for: Interest Paid, Net Interest (net of amounts capitalized of $1,584, $3,922, and $1,582 in 2011, 2010, and 2009, respectively) Interest (net of amounts capitalized of $3,744 and $790 in 2010 and 2009, respectively) Interest (net of amounts capitalized of $0, $3,922, and $1,582 in 2011, 2010, and 2009, respectively) Income Taxes Paid Income taxes Income taxes Cash Paid for Capitalized Interest Capitalized Interest Consolidated Statements Of Stockholders' Equity [Abstract] Statement, Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Parent [Member] Parent [Member] Common Stock [Member] Common Stock [Member] Additional Paid In Capital [Member] Additional Paid-In Capital [Member] Retained Earnings [Member] Retained Earnings (Deficit) [Member] Shares, Issued Balance as of (shares) Balance as of (shares) Other Comprehensive Income (Loss), Net of Tax Comprehensive income: Comprehensive Income, Net of Tax, Attributable to Parent Total comprehensive income Stock Issued During Period, Value, New Issues Issuance of common stock Stock Issued During Period, Shares, New Issues Issuance of common stock, shares Stock Repurchased and Retired During Period, Value Retirement of common stock Stock Repurchased and Retired During Period, Shares Retirement of common stock, shares Adjustments to Additional Paid in Capital, Share-based Compensation, Restricted Stock Units, Requisite Service Period Recognition Amortization of restricted stock compensation, net of forfeitures Amortization of restricted stock compensation net of forfeitures, shares. Amortization Of Restricted Stock Compensation Net Of Forfeitures Shares Amortization of restricted stock compensation, net of forfeitures, shares Stock option compensation expense Stock option compensation expense, net of forfeitures Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Total Amortization of deferred compensation, net of forfeitures Adjustments to Additional Paid in Capital, Tax Effect from Share-based Compensation Tax benefits associated with equity-based compensation Income tax benefit of equity compensation Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures, Total Restricted stock grant Stock Issued During Period, shares, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, shares, Restricted Stock Award, Net of Forfeitures, Total Restricted stock grant, shares Stock Issued During Period, Value, Stock Options Exercised Stock options exercised Stock options exercised Stock Issued During Period, Shares, Stock Options Exercised No. of options, Exercised No. of options, Exercised Stock options exercised, shares Stock options exercised, shares Organization And Operations [Abstract] Nature of Operations [Text Block] Organization And Operations Summary Of Significant Accounting Policies [Abstract] Summary Of Significant Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Summary Of Significant Accounting Policies Goodwill [Abstract] Goodwill Disclosure [Text Block] Goodwill Property And Equipment [Abstract] Property, Plant and Equipment Disclosure [Text Block] Property And Equipment Facility Activations Developments And Closures [Abstract] Facility Activations, Developments, And Closures [Abstract] Facility activation developments and closures [Text Block]. Facility Activation Developments And Closures [Text Block] Facility Activations, Developments, And Closures Investment In Affiliate [Abstract] Equity Method Investments Disclosure [Text Block] Investment In Affiliate Investment In Direct Financing Lease [Abstract] Investment In Direct Finance Lease Disclosure [Text Block]. Investment In Direct Finance Lease Disclosure [Text Block] Investment In Direct Financing Lease Other Assets [Abstract] Other Assets Disclosure [Text Block] Other Assets Accounts Payable And Accrued Expenses [Abstract] Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Accounts Payable And Accrued Expenses Dividends To Stockholders [Abstract] Dividends To Stockholders [Abstract] Dividends To Stockholders Disclosure [Text Block]. Dividends To Stockholders Disclosure [Text Block] Dividends To Stockholders Debt [Abstract] Debt Disclosure [Text Block] Debt Income Taxes [Abstract] Income Tax Disclosure [Text Block] Income Taxes Discontinued Operations [Abstract] Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Discontinued Operations Stockholders' Equity [Abstract] Stockholders' Equity Note Disclosure [Text Block] Stockholders' Equity Earnings Per Share [Abstract] EARNINGS PER SHARE Earnings Per Share [Text Block] Earnings Per Share Commitments And Contingencies [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments And Contingencies Segment Reporting [Abstract] Segment Reporting Disclosure [Text Block] Segment Reporting Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events Selected Quarterly Financial Information [Abstract] Quarterly Financial Information [Text Block] Selected Quarterly Financial Information Basis of Presentation [Policy Text Block] Basis of Presentation [Policy Text Block] Basis Of Presentation Cash and Cash Equivalents, Policy [Policy Text Block] Cash And Cash Equivalents Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Restricted Cash Trade and Other Accounts Receivable, Policy [Policy Text Block] Accounts Receivable And Allowance For Doubtful Accounts Property, Plant and Equipment, Policy [Policy Text Block] Property And Equipment Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Accounting For The Impairment Of Long-Lived Assets Other Than Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Goodwill Investment In Direct Financing Lease [Policy Text Block] Investment In Direct Financing Lease [Policy Text Block] Investment In Direct Financing Lease Investment In Affiliates [Policy Text Block] Investment In Affiliates [Policy Text Block] Investment In Affiliates Debt, Policy [Policy Text Block] Debt Issuance Costs Revenue Recognition, Services, Management Fees [Policy Text Block] Management And Other Revenue Revenue Recognition Leases [Policy Text Block] Rental Revenue