Income Taxes - Reconciliation of Income Tax Expense (Benefit) for Continuing Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Income tax provision at 35%	$ 128,483	$ 116,910	$ 121,982
Expiration of capital loss carryforward	0	18,376	0
Valuation allowance	(2,441)	(18,200)	1,382
State and local income tax, net of federal income tax effect	8,693	12,321	7,123
Domestic manufacturing deduction	(9,870)	(6,580)	(3,745)
U.S. tax credits	(3,013)	(3,186)	(1,455)
Tax law or rate change	794	2,383	0
Difference in effective tax rates of international operations	(4,900)	(932)	(35,095)
Other - net	(1,947)	(2,868)	(262)
Tax on gain from sale of CCT	0	0	21,767
Provision for income taxes	$ 115,799	$ 118,224	$ 111,697
Percentage of effective income tax	35.00%	35.00%	35.00%