Business Information - Sales Mix for Company's Product Categories (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 30, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Product Type Reporting Information [Line Items]
NET SALES	$ 5,995,888	$ 6,204,194	$ 6,158,654	$ 5,788,425	$ 5,677,938	$ 5,840,963	$ 5,806,758	$ 5,593,149	$ 24,147,161	$ 22,918,808	$ 23,127,532
Meats and Seafood [Member]
Product Type Reporting Information [Line Items]
NET SALES									8,692,213	8,120,738	8,391,997
Dry Grocery Products [Member]
Product Type Reporting Information [Line Items]
NET SALES									4,266,200	4,127,013	4,123,584
Refrigerated and Frozen Grocery Products [Member]
Product Type Reporting Information [Line Items]
NET SALES									3,798,737	3,653,037	3,582,517
Dairy [Member]
Product Type Reporting Information [Line Items]
NET SALES									2,533,207	2,380,112	2,457,516
Equipment, Disposables and Supplies [Member]
Product Type Reporting Information [Line Items]
NET SALES									2,243,243	2,165,744	2,171,006
Beverage Products [Member]
Product Type Reporting Information [Line Items]
NET SALES									1,306,347	1,267,723	1,279,201
Produce [Member]
Product Type Reporting Information [Line Items]
NET SALES									$ 1,307,214	$ 1,204,441	$ 1,121,711