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Components of Income Tax Provision (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Federal income tax expense (benefit):      
Current $ (42,020) $ 39,438 $ 41,558
Deferred (83,812) 39,673 47,136
Federal Income Tax Expense (Benefit), Continuing Operations, Total (125,832) 79,111 88,694
State income tax expense (benefit):      
Current (3,480) 3,987 11,733
Deferred (12,433) 5,292 4,229
State and Local Income Tax Expense (Benefit), Continuing Operations, Total (15,913) 9,279 15,962
Foreign income tax expense (benefit):      
Current (2,590) 4,521 4,572
Deferred (3,628) (1,292) (796)
Foreign Income Tax Expense (Benefit), Continuing Operations, Total (6,218) 3,229 3,776
Total income tax expense (benefit):      
Current (48,090) 47,946 57,863
Deferred (99,873) 43,673 50,569
Total income tax expense (benefit) $ (147,963) $ 91,619 $ 108,432