Revenue - Summary of Information about Disaggregated Revenue of Reportable Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 11, 2020	Jul. 13, 2019	Jul. 11, 2020	Jul. 13, 2019
Disaggregation Of Revenue [Line Items]
Total revenue	$ 2,184,101	$ 1,995,929	$ 5,040,557	$ 4,538,304
Center store [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	846,165	714,083	1,966,109	1,650,737
Fresh [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	770,833	708,996	1,729,166	1,597,733
Non-food [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	523,793	512,235	1,240,271	1,163,680
Other Products [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	21,670	22,279	50,371	46,569
Fuel [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	21,640	38,336	54,640	79,585
Individuals Customer [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	631,040	569,792	1,413,373	1,271,274
Manufacturers, brokers and distributors [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	441,911	509,438	1,139,374	1,212,785
Retailers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,091,926	898,249	2,444,692	2,016,576
Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	19,224	18,450	43,118	37,669
Food Distribution [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,089,861	935,383	2,459,357	2,104,621
Food Distribution [Member] | Center store [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	359,025	268,299	810,347	623,770
Food Distribution [Member] | Fresh [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	382,255	343,853	849,918	772,621
Food Distribution [Member] | Non-food [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	331,094	303,043	755,406	666,037
Food Distribution [Member] | Other Products [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	17,487	20,188	43,686	42,193
Food Distribution [Member] | Manufacturers, brokers and distributors [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	12,654	41,196	51,177	101,907
Food Distribution [Member] | Retailers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,062,021	877,685	2,371,443	1,969,160
Food Distribution [Member] | Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	15,186	16,502	36,737	33,554
Retail [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	631,257	569,975	1,413,824	1,271,742
Retail [Member] | Center store [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	263,677	219,753	592,003	490,526
Retail [Member] | Fresh [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	250,127	218,942	545,130	481,889
Retail [Member] | Non-food [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	95,451	92,618	221,296	219,013
Retail [Member] | Other Products [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	362	326	755	729
Retail [Member] | Fuel [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	21,640	38,336	54,640	79,585
Retail [Member] | Individuals Customer [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	631,040	569,792	1,413,373	1,271,274
Retail [Member] | Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	217	183	451	468
Military [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	462,983	490,571	1,167,376	1,161,941
Military [Member] | Center store [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	223,463	226,031	563,759	536,441
Military [Member] | Fresh [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	138,451	146,201	334,118	343,223
Military [Member] | Non-food [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	97,248	116,574	263,569	278,630
Military [Member] | Other Products [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	3,821	1,765	5,930	3,647
Military [Member] | Manufacturers, brokers and distributors [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	429,257	468,242	1,088,197	1,110,878
Military [Member] | Retailers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	29,905	20,564	73,249	47,416
Military [Member] | Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	$ 3,821	$ 1,765	$ 5,930	$ 3,647