Reporting Segment Information - Schedule of Segment Reporting Information, by Operating Segment (Detail) - USD ($) $ in Thousands	4 Months Ended
	Apr. 23, 2022	Apr. 24, 2021	Jan. 01, 2022
Segment Reporting Information [Line Items]
Net sales	$ 2,763,658	$ 2,657,799
Acquisition and integration	239	59
Restructuring and asset impairment, net	13	(161)
Depreciation and amortization	28,473	28,091
Operating earnings (loss)	28,149	30,195
Capital expenditures	29,938	22,124
Total Assets	2,264,233		$ 2,206,782
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	2,763,658	2,657,799
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	339,947	310,804
Food Distribution [Member]
Segment Reporting Information [Line Items]
Net sales	1,370,857	1,334,082
Restructuring and asset impairment, net	11	(18)
Depreciation and amortization	10,092	9,790
Operating earnings (loss)	26,684	21,146
Capital expenditures	13,100	9,956
Total Assets	1,115,265		1,092,851
Food Distribution [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	1,370,857	1,334,082
Food Distribution [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	339,786	310,631
Retail [Member]
Segment Reporting Information [Line Items]
Net sales	781,279	739,444
Acquisition and integration	239	59
Restructuring and asset impairment, net	2	(143)
Depreciation and amortization	14,189	14,241
Operating earnings (loss)	27	14,192
Capital expenditures	12,673	9,135
Total Assets	743,122		747,342
Retail [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	781,279	739,444
Retail [Member] | Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Net sales	161	173
Military [Member]
Segment Reporting Information [Line Items]
Net sales	611,522	584,273
Depreciation and amortization	4,192	4,060
Operating earnings (loss)	1,438	(5,143)
Capital expenditures	4,165	3,033
Total Assets	405,846		$ 366,589
Military [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	$ 611,522	$ 584,273