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Revenue - Summary of Information about Disaggregated Revenue of Reportable Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 06, 2018	Oct. 07, 2017	Oct. 06, 2018	Oct. 07, 2017
Disaggregation Of Revenue [Line Items]
Total revenue	$ 1,886,730	$ 1,868,398	$ 6,167,756	$ 6,078,299
Center store [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	715,407	720,849	2,320,028	2,317,813
Fresh [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	635,902	635,888	2,117,089	2,131,412
Non-food [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	481,347	462,306	1,554,855	1,466,758
Other Products [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	19,498	18,933	65,766	66,363
Fuel [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	34,576	30,422	110,018	95,953
Individuals [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	446,110	463,364	1,476,446	1,540,995
Manufacturers, brokers and distributors [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	524,328	545,941	1,751,864	1,773,309
Retailers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	900,940	844,043	2,887,385	2,711,590
Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	15,352	15,050	52,061	52,405
Food Distribution [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	940,183	899,151	3,037,096	2,916,425
Food Distribution [Member] | Center store [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	291,830	282,117	938,460	911,193
Food Distribution [Member] | Fresh [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	341,846	333,814	1,132,676	1,124,997
Food Distribution [Member] | Non-food [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	288,759	265,654	905,868	818,572
Food Distribution [Member] | Other Products [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	17,748	17,566	60,092	61,663
Food Distribution [Member] | Manufacturers, brokers and distributors [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	44,805	47,030	153,673	166,402
Food Distribution [Member] | Retailers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	881,776	838,438	2,837,036	2,702,318
Food Distribution [Member] | Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	13,602	13,683	46,387	47,705
Military [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	500,222	505,631	1,653,496	1,620,021
Military [Member] | Center store [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	247,804	252,386	804,939	792,819
Military [Member] | Fresh [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	134,612	132,980	448,794	434,723
Military [Member] | Non-food [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	116,271	119,150	394,807	388,637
Military [Member] | Other Products [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,535	1,115	4,956	3,842
Military [Member] | Manufacturers, brokers and distributors [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	479,523	498,911	1,598,191	1,606,907
Military [Member] | Retailers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	19,164	5,605	50,349	9,272
Military [Member] | Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,535	1,115	4,956	3,842
Retail [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	446,325	463,616	1,477,164	1,541,853
Retail [Member] | Center store [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	175,773	186,346	576,629	613,801
Retail [Member] | Fresh [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	159,444	169,094	535,619	571,692
Retail [Member] | Non-food [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	76,317	77,502	254,180	259,549
Retail [Member] | Other Products [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	215	252	718	858
Retail [Member] | Fuel [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	34,576	30,422	110,018	95,953
Retail [Member] | Individuals [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	446,110	463,364	1,476,446	1,540,995
Retail [Member] | Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	$ 215	$ 252	$ 718	$ 858

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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-Name Accounting Standards Codification
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