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Income Taxes - Reconciles Statutory Federal Income Tax Rate to Company' s Effective Tax Rate (Detail)	3 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Statutory federal income tax rate			35.00%	35.00%	35.00%
Increases (decreases) resulting from:
Disallowed meals & entertainment			0.40%	0.60%	0.60%
Disallowed compensation			2.30%	3.20%	2.30%
Fines and penalties			0.40%
True-up of prior year tax returns			(0.60%)
State income tax, net of federal tax benefit			3.60%	3.60%	3.60%
Other, net			0.20%	(0.10%)	(1.10%)
Effective tax rate	40.00%	52.90%	41.30%	42.30%	40.40%

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Publisher FASB

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to meals and entertainment expense.

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