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Accrued Payroll Costs And Retirement Obligations (Employee Retirement Obligations) (Details) (Chief Executive Officer [Member], USD $) In Thousands, unless otherwise specified | Dec. 31, 2011 | Dec. 31, 2010
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Chief Executive Officer [Member] |  |
Accrued Payroll Costs And Retirement Obligations [Line Items] |  |
Deferred compensation plan and other benefits related to the Company's Chief Executive Officer | $ 71,603 | $ 67,891

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- Details
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- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date. + References No definition available. + Details
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