Revenue - Summary of Information about Disaggregated Revenue of Reportable Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 09, 2021	Oct. 03, 2020	Oct. 09, 2021	Oct. 03, 2020
Disaggregation Of Revenue [Line Items]
Net sales	$ 2,073,253	$ 2,060,816	$ 6,837,612	$ 7,101,373
Center store [Member]
Disaggregation Of Revenue [Line Items]
Net sales	794,913	806,147	2,600,106	2,772,256
Fresh [Member]
Disaggregation Of Revenue [Line Items]
Net sales	688,399	692,436	2,323,237	2,421,602
Non-food [Member]
Disaggregation Of Revenue [Line Items]
Net sales	521,973	514,112	1,702,634	1,754,383
Other Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales	27,424	21,815	92,755	72,186
Fuel [Member]
Disaggregation Of Revenue [Line Items]
Net sales	40,544	26,306	118,880	80,946
Food Distribution [Member]
Disaggregation Of Revenue [Line Items]
Net sales	1,031,315	1,012,204	3,421,923	3,471,561
Food Distribution [Member] \| Center store [Member]
Disaggregation Of Revenue [Line Items]
Net sales	344,624	333,988	1,135,458	1,144,335
Food Distribution [Member] \| Fresh [Member]
Disaggregation Of Revenue [Line Items]
Net sales	333,895	334,173	1,144,025	1,184,091
Food Distribution [Member] \| Non-food [Member]
Disaggregation Of Revenue [Line Items]
Net sales	328,011	324,565	1,059,067	1,079,971
Food Distribution [Member] \| Other Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales	24,785	19,478	83,373	63,164
Retail [Member]
Disaggregation Of Revenue [Line Items]
Net sales	608,737	596,659	1,968,158	2,010,483
Retail [Member] \| Center store [Member]
Disaggregation Of Revenue [Line Items]
Net sales	235,784	245,652	763,006	837,655
Retail [Member] \| Fresh [Member]
Disaggregation Of Revenue [Line Items]
Net sales	233,347	229,368	758,591	774,498
Retail [Member] \| Non-food [Member]
Disaggregation Of Revenue [Line Items]
Net sales	98,806	94,959	326,543	316,255
Retail [Member] \| Other Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales	256	374	1,138	1,129
Retail [Member] \| Fuel [Member]
Disaggregation Of Revenue [Line Items]
Net sales	40,544	26,306	118,880	80,946
Military [Member]
Disaggregation Of Revenue [Line Items]
Net sales	433,201	451,953	1,447,531	1,619,329
Military [Member] \| Center store [Member]
Disaggregation Of Revenue [Line Items]
Net sales	214,505	226,507	701,642	790,266
Military [Member] \| Fresh [Member]
Disaggregation Of Revenue [Line Items]
Net sales	121,157	128,895	420,621	463,013
Military [Member] \| Non-food [Member]
Disaggregation Of Revenue [Line Items]
Net sales	95,156	94,588	317,024	358,157
Military [Member] \| Other Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales	2,383	1,963	8,244	7,893
Individuals Customer [Member]
Disaggregation Of Revenue [Line Items]
Net sales	608,506	596,429	1,967,372	2,009,802
Individuals Customer [Member] \| Retail [Member]
Disaggregation Of Revenue [Line Items]
Net sales	608,506	596,429	1,967,372	2,009,802
Manufacturers, brokers and distributors [Member]
Disaggregation Of Revenue [Line Items]
Net sales	416,183	436,139	1,395,951	1,575,513
Manufacturers, brokers and distributors [Member] \| Food Distribution [Member]
Disaggregation Of Revenue [Line Items]
Net sales	12,231	13,477	46,644	64,654
Manufacturers, brokers and distributors [Member] \| Military [Member]
Disaggregation Of Revenue [Line Items]
Net sales	403,952	422,662	1,349,307	1,510,859
Retailers [Member]
Disaggregation Of Revenue [Line Items]
Net sales	1,035,038	995,709	3,429,558	3,440,401
Retailers [Member] \| Food Distribution [Member]
Disaggregation Of Revenue [Line Items]
Net sales	1,008,172	968,381	3,339,578	3,339,824
Retailers [Member] \| Military [Member]
Disaggregation Of Revenue [Line Items]
Net sales	26,866	27,328	89,980	100,577
Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Net sales	13,526	32,539	44,731	75,657
Other Customers [Member] \| Food Distribution [Member]
Disaggregation Of Revenue [Line Items]
Net sales	10,912	30,346	35,701	67,083
Other Customers [Member] \| Retail [Member]
Disaggregation Of Revenue [Line Items]
Net sales	231	230	786	681
Other Customers [Member] \| Military [Member]
Disaggregation Of Revenue [Line Items]
Net sales	$ 2,383	$ 1,963	$ 8,244	$ 7,893