Business Information - Sales Mix for Company's Product Categories (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Jan. 02, 2016	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 31, 2016	Jan. 02, 2016	Dec. 27, 2014
Product Type Reporting Information [Line Items]
NET SALES	$ 5,677,938	$ 5,840,963	$ 5,806,758	$ 5,593,149	$ 5,935,281	$ 5,796,066	$ 5,842,547	$ 5,553,638	$ 22,918,808	$ 23,127,532	$ 23,019,801
Meats and Seafood [Member]
Product Type Reporting Information [Line Items]
NET SALES									8,120,738	8,391,997	8,326,191
Dry Grocery Products [Member]
Product Type Reporting Information [Line Items]
NET SALES									4,127,013	4,123,584	4,152,682
Refrigerated and Frozen Grocery Products [Member]
Product Type Reporting Information [Line Items]
NET SALES									3,653,037	3,582,517	3,463,411
Dairy [Member]
Product Type Reporting Information [Line Items]
NET SALES									2,380,112	2,457,516	2,555,362
Equipment, Disposables and Supplies [Member]
Product Type Reporting Information [Line Items]
NET SALES									2,165,744	2,171,006	2,132,044
Beverage Products [Member]
Product Type Reporting Information [Line Items]
NET SALES									1,267,723	1,279,201	1,263,965
Produce [Member]
Product Type Reporting Information [Line Items]
NET SALES									$ 1,204,441	$ 1,121,711	$ 1,126,146