Domestic (U.S) and International Sales (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
International Long-Lived Assets by Geographic Region [Line Items]
Net sales	$ 1,664,170	$ 1,730,044	$ 3,147,276	$ 3,344,750
Domestic Operations | UNITED STATES
International Long-Lived Assets by Geographic Region [Line Items]
Net sales	1,121,079	1,245,622	2,079,556	2,468,302
International
International Long-Lived Assets by Geographic Region [Line Items]
Net sales	543,091	484,422	1,067,720	876,448
International | Americas, excluding U.S.
International Long-Lived Assets by Geographic Region [Line Items]
Net sales	256,260	248,132	548,861	483,053
International | Asia Pacific
International Long-Lived Assets by Geographic Region [Line Items]
Net sales	108,458	87,338	160,373	124,720
International | EMEA
International Long-Lived Assets by Geographic Region [Line Items]
Net sales	$ 178,373	$ 148,952	$ 358,486	$ 268,675