Income Taxes - Effective Income Tax Reconciliation (Detail) - USD ($) $ in Thousands		12 Months Ended
	Jul. 01, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Effective Income Tax Rate Reconciliation, Deduction, Amount [Abstract]
U.S. federal income tax expense at statutory rate		$ 132,987	$ 29,815	$ 8,742
Income not subject to U.S. corporate income tax		0	0	(15,583)
U.S. state and local income tax expense (benefit), net of U.S. federal income tax effect		18,101	(4,495)	1,881
Recognition of state deferred tax assets and net operating losses, net of U.S. federal income tax effect		(16,242)	0	0
Deferred tax benefit resulting from the Company becoming subject to U.S. corporate income taxes	$ (103,500)	0	0	(103,499)
Nondeductible expenses		3,223	230	3,627
Federal research & development tax credits		(3,753)	(1,241)	0
Foreign taxes		(3,927)	(1,371)	3,603
Other, net		469	(185)	115
Income tax expense (benefit)		$ 130,858	$ 22,753	$ (101,114)