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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. 05, 2019	Oct. 06, 2018	Oct. 05, 2019	Oct. 06, 2018
Disaggregation Of Revenue [Line Items]
Total revenue	$ 1,999,808	$ 1,886,730	$ 6,538,112	$ 6,167,756
Center store [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	742,172	715,407	2,392,909	2,320,028
Fresh [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	696,194	635,902	2,293,927	2,117,089
Non-food [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	504,262	481,347	1,667,942	1,554,855
Other Products [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	20,818	19,498	67,387	65,766
Fuel [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	36,362	34,576	115,947	110,018
Individuals Customer [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	561,430	446,110	1,832,704	1,476,446
Manufacturers, brokers and distributors [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	514,266	524,328	1,727,051	1,751,864
Retailers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	907,052	900,940	2,923,628	2,887,385
Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	17,060	15,352	54,729	52,061
Food Distribution [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	939,047	940,183	3,043,668	3,037,096
Food Distribution [Member] | Center store [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	280,762	291,830	904,532	938,460
Food Distribution [Member] | Fresh [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	339,932	341,846	1,112,553	1,132,676
Food Distribution [Member] | Non-food [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	299,480	288,759	965,517	905,868
Food Distribution [Member] | Other Products [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	18,873	17,748	61,066	60,092
Food Distribution [Member] | Manufacturers, brokers and distributors [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	40,878	44,805	142,785	153,673
Food Distribution [Member] | Retailers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	882,904	881,776	2,852,064	2,837,036
Food Distribution [Member] | Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	15,265	13,602	48,819	46,387
Military [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	499,156	500,222	1,661,097	1,653,496
Military [Member] | Center store [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	240,531	247,804	776,972	804,939
Military [Member] | Fresh [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	143,339	134,612	486,562	448,794
Military [Member] | Non-food [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	113,666	116,271	392,296	394,807
Military [Member] | Other Products [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,620	1,535	5,267	4,956
Military [Member] | Manufacturers, brokers and distributors [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	473,388	479,523	1,584,266	1,598,191
Military [Member] | Retailers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	24,148	19,164	71,564	50,349
Military [Member] | Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	1,620	1,535	5,267	4,956
Retail [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	561,605	446,325	1,833,347	1,477,164
Retail [Member] | Center store [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	220,879	175,773	711,405	576,629
Retail [Member] | Fresh [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	212,923	159,444	694,812	535,619
Retail [Member] | Non-food [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	91,116	76,317	310,129	254,180
Retail [Member] | Other Products [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	325	215	1,054	718
Retail [Member] | Fuel [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	36,362	34,576	115,947	110,018
Retail [Member] | Individuals Customer [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	561,430	446,110	1,832,704	1,476,446
Retail [Member] | Other Customers [Member]
Disaggregation Of Revenue [Line Items]
Total revenue	$ 175	$ 215	$ 643	$ 718

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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