Income Taxes - Components of Provision for Income Tax (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current income tax expense (benefit):
U.S. federal	$ 7,153	$ (11,633)	$ (6,585)
International	38,493	27,494	52,155
State and local	14,443	12,286	16,014
Total current tax expense	60,089	28,147	61,584
Deferred income tax expense (benefit):
U.S. federal	(3,306)	(810)	(27,374)
International	(2,219)	(4,247)	(59,866)
Total deferred tax benefit	(5,525)	(5,057)	(87,240)
Total income tax expense (benefit)	$ 54,564	$ 23,090	$ (25,656)