Revenue - Summary of Information about Disaggregated Revenue of Reportable Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 17, 2021	Jul. 11, 2020	Jul. 17, 2021	Jul. 11, 2020
Disaggregation Of Revenue [Line Items]
Net sales	$ 2,106,560	$ 2,184,101	$ 4,764,359	$ 5,040,557
Center store [Member]
Disaggregation Of Revenue [Line Items]
Net sales	782,636	846,165	1,805,193	1,966,109
Fresh [Member]
Disaggregation Of Revenue [Line Items]
Net sales	734,903	770,833	1,634,838	1,729,166
Non-food [Member]
Disaggregation Of Revenue [Line Items]
Net sales	520,773	523,793	1,180,661	1,240,271
Other Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales	29,093	21,670	65,331	50,371
Fuel [Member]
Disaggregation Of Revenue [Line Items]
Net sales	39,155	21,640	78,336	54,640
Food Distribution [Member]
Disaggregation Of Revenue [Line Items]
Net sales	1,056,526	1,089,861	2,390,608	2,459,357
Food Distribution [Member] \| Center store [Member]
Disaggregation Of Revenue [Line Items]
Net sales	339,057	359,025	790,834	810,347
Food Distribution [Member] \| Fresh [Member]
Disaggregation Of Revenue [Line Items]
Net sales	362,922	382,255	810,130	849,918
Food Distribution [Member] \| Non-food [Member]
Disaggregation Of Revenue [Line Items]
Net sales	328,361	331,094	731,056	755,406
Food Distribution [Member] \| Other Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales	26,186	17,487	58,588	43,686
Retail [Member]
Disaggregation Of Revenue [Line Items]
Net sales	619,977	631,257	1,359,421	1,413,824
Retail [Member] \| Center store [Member]
Disaggregation Of Revenue [Line Items]
Net sales	238,504	263,677	527,222	592,003
Retail [Member] \| Fresh [Member]
Disaggregation Of Revenue [Line Items]
Net sales	242,209	250,127	525,244	545,130
Retail [Member] \| Non-food [Member]
Disaggregation Of Revenue [Line Items]
Net sales	99,601	95,451	227,737	221,296
Retail [Member] \| Other Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales	508	362	882	755
Retail [Member] \| Fuel [Member]
Disaggregation Of Revenue [Line Items]
Net sales	39,155	21,640	78,336	54,640
Military [Member]
Disaggregation Of Revenue [Line Items]
Net sales	430,057	462,983	1,014,330	1,167,376
Military [Member] \| Center store [Member]
Disaggregation Of Revenue [Line Items]
Net sales	205,075	223,463	487,137	563,759
Military [Member] \| Fresh [Member]
Disaggregation Of Revenue [Line Items]
Net sales	129,772	138,451	299,464	334,118
Military [Member] \| Non-food [Member]
Disaggregation Of Revenue [Line Items]
Net sales	92,811	97,248	221,868	263,569
Military [Member] \| Other Products [Member]
Disaggregation Of Revenue [Line Items]
Net sales	2,399	3,821	5,861	5,930
Individuals Customer [Member]
Disaggregation Of Revenue [Line Items]
Net sales	619,573	631,040	1,358,866	1,413,373
Individuals Customer [Member] \| Retail [Member]
Disaggregation Of Revenue [Line Items]
Net sales	619,573	631,040	1,358,866	1,413,373
Manufacturers, brokers and distributors [Member]
Disaggregation Of Revenue [Line Items]
Net sales	417,172	441,911	979,768	1,139,374
Manufacturers, brokers and distributors [Member] \| Food Distribution [Member]
Disaggregation Of Revenue [Line Items]
Net sales	16,201	12,654	34,413	51,177
Manufacturers, brokers and distributors [Member] \| Military [Member]
Disaggregation Of Revenue [Line Items]
Net sales	400,971	429,257	945,355	1,088,197
Retailers [Member]
Disaggregation Of Revenue [Line Items]
Net sales	1,057,133	1,091,926	2,394,520	2,444,692
Retailers [Member] \| Food Distribution [Member]
Disaggregation Of Revenue [Line Items]
Net sales	1,030,446	1,062,021	2,331,406	2,371,443
Retailers [Member] \| Military [Member]
Disaggregation Of Revenue [Line Items]
Net sales	26,687	29,905	63,114	73,249
Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Net sales	12,682	19,224	31,205	43,118
Other Customers [Member] \| Food Distribution [Member]
Disaggregation Of Revenue [Line Items]
Net sales	9,879	15,186	24,789	36,737
Other Customers [Member] \| Retail [Member]
Disaggregation Of Revenue [Line Items]
Net sales	404	217	555	451
Other Customers [Member] \| Military [Member]
Disaggregation Of Revenue [Line Items]
Net sales	$ 2,399	$ 3,821	$ 5,861	$ 5,930