Revenue - Summary of Information about Disaggregated Revenue of Reportable Segments (Detail) - USD ($) $ in Thousands	12 Months Ended
Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Disaggregation Of Revenue [Line Items]
Total revenue	$ 8,931,039	$ 9,348,485	$ 8,536,065
Center store [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	3,421,083	3,659,500	3,165,738
Fresh [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	3,019,917	3,175,103	2,982,145
Non-food [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	2,211,101	2,296,282	2,152,056
Other Products [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	121,702	111,387	87,347
Fuel [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	157,236	106,213	148,779
Individuals Customer [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	2,580,277	2,636,993	2,380,524
Manufacturers, brokers and distributors [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,817,724	2,065,075	2,245,791
Retailers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	4,474,228	4,559,911	3,838,847
Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	58,810	86,506	70,903
Food Distribution [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	4,456,800	4,577,178	3,982,609
Food Distribution [Member] \| Center store [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,499,994	1,519,279	1,209,436
Food Distribution [Member] \| Fresh [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,474,440	1,550,813	1,445,902
Food Distribution [Member] \| Non-food [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,372,376	1,407,122	1,247,964
Food Distribution [Member] \| Other Products [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	109,990	99,964	79,307
Food Distribution [Member] \| Manufacturers, brokers and distributors [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	54,453	75,827	179,872
Food Distribution [Member] \| Retailers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	4,354,897	4,425,665	3,739,316
Food Distribution [Member] \| Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	47,450	75,686	63,421
Retail [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	2,581,286	2,637,917	2,381,349
Retail [Member] \| Center store [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,001,920	1,097,013	928,641
Retail [Member] \| Fresh [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	992,897	1,013,657	900,096
Retail [Member] \| Non-food [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	427,872	419,507	402,450
Retail [Member] \| Other Products [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,361	1,527	1,383
Retail [Member] \| Fuel [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	157,236	106,213	148,779
Retail [Member] \| Individuals Customer [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	2,580,277	2,636,993	2,380,524
Retail [Member] \| Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,009	924	825
Military [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,892,953	2,133,390	2,172,107
Military [Member] \| Center store [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	919,169	1,043,208	1,027,661
Military [Member] \| Fresh [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	552,580	610,633	636,147
Military [Member] \| Non-food [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	410,853	469,653	501,642
Military [Member] \| Other Products [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	10,351	9,896	6,657
Military [Member] \| Manufacturers, brokers and distributors [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,763,271	1,989,248	2,065,919
Military [Member] \| Retailers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	119,331	134,246	99,531
Military [Member] \| Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	$ 10,351	$ 9,896	$ 6,657