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Deferred Portion of Tax Provision (Benefit) (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Deferred Income Benefit Taxes [Line Items] |  |  |
Amortization of franchise rights | $ 514 | $ 514 | $ 570
Amortization of other intangibles | 1,180 | 1,142 | 961
Accrued expenses, deducted for tax when paid | (13,494) | (2,076) | 4,423
Capitalized costs for books, deducted for tax | 7,395 | 7,448 | 4,693
Depreciation | (7,813) | (1,709) | (951)
Federal impact of unrecognized tax benefits | 478 | 331 | (921)
Foreign tax credit carryforwards |  | 5,719 | (5,719)
Other, net | (3,253) | 5,787 | 4,314
Deferred Portion Of Tax Expense Benefit, Total | $ (14,993) | $ 17,156 | $ 7,370

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- Definition Definition: The tax effect as of the balance sheet date of the amount of future tax effects arising from unused foreign tax credit carryforwards which will decrease future taxable income if applied in future years; a tax credit carryforward is the amount by which tax credits available for utilization exceeded statutory limits on inclusion in historical filings, and which can only be utilized if sufficient tax-basis income is generated in future periods and providing tax laws continue to allow such utilization. + References No definition available. + Details
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