Accumulated Other Comprehensive Income (Loss) - Reclassification Adjustments out of AOCI (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 26, 2020	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 26, 2020	Dec. 28, 2019	Dec. 29, 2018
Reclassification Adjustments out of AOCI [Abstract]
Cost of goods sold									$ 1,966,161	$ 2,035,610	$ 2,150,400
Income tax (benefit) expense									55,321	35,257	30,952
Net of tax and noncontrolling interests	$ (36,420)	$ (42,702)	$ (27,956)	$ (32,415)	$ (28,170)	$ (29,093)	$ (27,986)	$ (15,723)	(139,493)	(100,972)	(104,459)
Other income, net									(4,887)	(1,684)	(3,967)
Pension Plan [Member]
Reclassification Adjustments out of AOCI [Abstract]
Pension plan termination expense									11,642	0	0
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustments out of AOCI [Abstract]
Income tax (benefit) expense									(1,246)	101	58
Net of tax and noncontrolling interests									5,091	(486)	(371)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustments out of AOCI [Abstract]
Income tax (benefit) expense									(2,353)	(163)	(38)
Net of tax and noncontrolling interests									8,291	797	303
Other income, net									(998)	960	341
Commodity Contract [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Amount Reclassified from AOCI [Member]
Reclassification Adjustments out of AOCI [Abstract]
Cost of goods sold									$ 6,337	$ (587)	$ (429)