Condensed Consolidated Statements of Income (Loss) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	4 Months Ended
	Apr. 24, 2021	Apr. 18, 2020
Income Statement [Abstract]
Sales	$ 1,302,168	$ 1,349,444
Materials, supplies, labor and other production costs (exclusive of depreciation and amortization shown separately below)	643,576	670,873
Selling, distribution and administrative expenses	501,973	522,035
Depreciation and amortization	41,386	44,663
Loss on inferior ingredients	122
Income from operations	115,111	111,873
Interest expense	11,681	11,639
Interest income	(7,480)	(8,325)
Loss on extinguishment of debt	16,149
Pension plan settlement and curtailment loss		116,207
Other components of net periodic pension and postretirement benefits (credit) expense	(125)	143
Income (loss) before income taxes	94,886	(7,791)
Income tax expense (benefit)	23,231	(2,019)
Net income (loss)	$ 71,655	$ (5,772)
Basic:
Net income (loss) per common share	$ 0.34	$ (0.03)
Weighted average shares outstanding	211,889	211,754
Diluted:
Net income (loss) per common share	$ 0.34	$ (0.03)
Weighted average shares outstanding	212,780	211,754
Cash dividends paid per common share	$ 0.2000	$ 0.1900