Comprehensive Income Reclassifications (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total net sales		$ 5,715,175	$ 6,788,080	$ 6,532,204
Cost of sales and operating expenses		4,437,337	5,143,060	5,002,609
Amortization of prior service cost		23	(1)	22
Amortization of actuarial loss		(1,367)	(1,725)	(2,235)
Amortization of settlement		10	58	22
Special termination benefits recognized		0	0	(38)
Income taxes		38,337	(59,568)	(146,626)
Net income		278,880	647,726	737,690
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income		36,386	24,426	(2,972)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Soybean Meal [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total net sales		33	627	521
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Foreign exchange derivative adjustments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total net sales		(980)	34,491	14,549
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Interest rate swap derivative adjustments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Gain (Loss), Foreign Currency Transaction, before Tax, Including Interest Expense		49,334	1,843	0
Reclassification out of Accumulated Other Comprehensive Income [Member] | Derivative Instruments
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income from operations before income taxes		49,334	38,498	(338)
Income taxes		(11,894)	(12,819)	(955)
Net income		37,440	25,679	(1,293)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Derivative Instruments | Corn Option [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales and operating expenses		947	1,537	(15,408)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Defined Benefit Pension Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of prior service cost	[1]	(23)	1	(22)
Amortization of actuarial loss	[1]	(1,367)	(1,725)	(2,235)
Amortization of settlement	[1]	10	58	22
Income from operations before income taxes		(1,380)	(1,666)	(2,273)
Income taxes		326	413	594
Net income		$ (1,054)	$ (1,253)	$ (1,679)

[1] These items are included in the computation of net periodic pension cost. See Note 15 Employee Benefit Plans for additional information.