Accumulated Other Comprehensive Income (Loss) - Reclassification Adjustments Out of AOCI (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of goods sold	$ 403,159	$ 563,948	$ 911,874	$ 1,075,341
Income tax (benefit) expense	13,029	10,432	27,173	19,978
Net of tax and noncontrolling interests	(27,956)	(27,986)	(60,371)	(43,709)
Other income, net	(2,834)	(462)	(3,112)	(290)
Unrealized (gains) losses on derivative commodity contracts [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of goods sold	6,361	(274)	6,829	(370)
Income tax (benefit) expense	(1,285)	56	(1,375)	73
Net of tax and noncontrolling interests	5,076	(218)	5,454	(297)
Amortization of net loss and prior service cost on employee benefit plans [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax (benefit) expense	(86)	(32)	(115)	(85)
Net of tax and noncontrolling interests	337	170	489	413
Other income, net	$ 423	$ 202	$ 604	$ 498