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Income Taxes - Schedule of Reconciliation of Statutory U.S. Federal Income Tax Rate to Effective Income Tax Rate for Continuing Operations (Detail)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Effective Income Tax Rate Continuing Operations Tax Rate Reconciliation      
Statutory U.S. federal income tax rate (35.00%) (35.00%) 35.00%
State and local income taxes (3.40%) (3.30%) 2.70%
Nondeductible goodwill   14.40% 351.20%
Valuation allowance 32.60% 2.40% 2.00%
Foreign taxes (0.50%)    
Tax credits (0.80%)   (24.60%)
Worthless stock     (11.20%)
Other (1.80%) (2.50%) (46.20%)
Effective income tax rate (8.90%) (24.00%) 308.90%