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Components of Income Tax Provision (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Federal income tax expense (benefit):      
Current $ 41,558 $ (512) $ 16,336
Deferred 47,136 156,003 146,842
Federal Income Tax Expense (Benefit), Continuing Operations, Total 88,694 155,491 163,178
State income tax expense:      
Current 11,733 12,455 6,056
Deferred 4,229 5,483 13,196
State and Local Income Tax Expense (Benefit), Continuing Operations, Total 15,962 17,938 19,252
Foreign income tax expense (benefit):      
Current 4,572 3,817 6,579
Deferred (796) (1,050) (1,071)
Foreign Income Tax Expense (Benefit), Continuing Operations, Total 3,776 2,767 5,508
Total income tax expense:      
Current 57,863 15,760 28,971
Deferred 50,569 160,436 158,967
Total income tax expense: $ 108,432 $ 176,196 $ 187,938