Stockholders' Equity - Classification and Amount of Reclassifications from Accumulated Other Comprehensive Income to Consolidated Statement of Operations (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of sales									$ (2,902,259)	$ (2,896,255)	$ (3,022,797)
Income Before Income Taxes	$ 238,945	$ 294,028	$ (29,752)	$ (93,479)	$ 270,821	$ 286,139	$ (19,898)	$ (73,147)	409,742	463,915	586,910
Provision for income taxes									(91,720)	(94,499)	(88,036)
Net Income	$ 173,845	$ 236,250	$ (19,114)	$ (72,959)	$ 215,160	$ 223,784	$ (11,351)	$ (58,177)	318,022	369,416	498,874
Reclassification Out of Accumulated Other Comprehensive Income (Loss) | Derivative Instruments | Foreign Currency Forward Exchange Contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of sales									17,101	52,037	(916)
Provision for income taxes									(474)	551	33
Net Income									16,627	52,588	(883)
Reclassification Out of Accumulated Other Comprehensive Income (Loss) | Defined Benefit Pension Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Line Items]
Amortization of prior service credit									(461)	465	1,037
Recognized actuarial loss									(7,142)	(15,316)	(15,788)
Settlement loss									(1,772)	(6,453)	0
Curtailment gain									(415)	8,639	0
Income Before Income Taxes									(9,790)	(12,665)	(14,751)
Provision for income taxes									3,482	4,573	5,343
Net Income									$ (6,308)	$ (8,092)	$ (9,408)