Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation of the Statutory Federal Income Tax Rate with Federal and State Overall Effective Income Tax Rate from Continuing Operations (Detail)

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Income Taxes - Reconciliation of the Statutory Federal Income Tax Rate with Federal and State Overall Effective Income Tax Rate from Continuing Operations (Detail)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Tax Disclosure [Abstract]      
Statutory federal rate 35.00% 35.00% 35.00%
Effective state income tax rate 3.22% 4.22% 3.92%
Valuation allowance adjustments 0.33% (3.15%)  
Uncertain tax positions (1.76%) (3.37%) (0.40%)
Other (2.42%) 2.68% 0.30%
Effective tax rate 34.37% 35.38% 38.82%