Income Taxes - Components of Tax Benefit (Expenses) for Income Taxes from Continuing Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ (85,352)	$ (98,445)	$ (100,035)
State and local	(3,984)	(16,243)	(15,260)
Foreign	(27,090)	(31,844)	(29,377)
Subtotal	(116,426)	(146,532)	(144,672)
Deferred:
Federal	87,801	(177,877)	111,721
State and local	4,600	(21,539)	17,044
Foreign	801	489	(249)
Subtotal	93,202	(198,927)	128,516
Provision for income taxes	$ (23,224)	$ (345,459)	$ (16,156)