Accumulated Other Comprehensive Loss - Effects on Net Income of Significant Amounts Reclassified from Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 28, 2020	Mar. 29, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 28, 2020	Jun. 30, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net sales	$ 1,245,485		$ 1,359,721		$ 2,548,781	$ 2,711,426
Cost of sales	(997,502)		(1,084,385)		(2,034,208)	(2,165,969)
Income before income taxes	77,442		108,266		183,921	203,728
Provision for income taxes	(23,230)		(28,491)		(49,986)	(51,115)
Net income	54,990	$ 80,236	81,286	$ 73,768	135,226	155,054
Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net sales	(3,384)		532		(4,522)	849
Cost of sales	2,575		(697)		2,324	(550)
Net income	(6,087)		(7,344)		(12,735)	(14,660)
Reclassification out of Accumulated Other Comprehensive Income | Cash Flow Hedges
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income before income taxes	(809)		(165)		(2,199)	299
Provision for income taxes	197		59		522	(57)
Net income	(612)		(106)		(1,677)	242
Reclassification out of Accumulated Other Comprehensive Income | Defined Benefit Pension Items
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income before income taxes	(7,290)		(9,748)		(14,774)	(20,002)
Provision for income taxes	1,815		2,510		3,716	5,100
Net income	(5,475)		(7,238)		(11,058)	(14,902)
Reclassification out of Accumulated Other Comprehensive Income | Effect of curtailment loss
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Non-operating pension costs			0		(31)	0
Reclassification out of Accumulated Other Comprehensive Income | Effect of settlement loss
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Non-operating pension costs	(38)		(225)		(661)	(1,547)
Reclassification out of Accumulated Other Comprehensive Income | Amortization of defined benefit pension items
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Non-operating pension costs	(7,221)		(9,523)		(14,082)	(18,455)
Reclassification out of Accumulated Other Comprehensive Income | Foreign exchange contracts | Cash Flow Hedges
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net sales	(3,384)		532		(4,522)	849
Cost of sales	2,050		(378)		2,877	(666)
Reclassification out of Accumulated Other Comprehensive Income | Commodity contracts | Cash Flow Hedges
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net sales	0		0		0	0
Cost of sales	$ 525		$ (319)		$ (554)	$ 116