BUSINESS SEGMENT INFORMATION - PRODUCT MIX (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Mar. 26, 2016	Dec. 26, 2015	Sep. 26, 2015	Jul. 01, 2017	Jul. 02, 2016	Jun. 27, 2015
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 14,421,045	$ 13,524,172	$ 13,457,268	$ 13,968,654	$ 13,647,891	$ 12,002,791	$ 12,153,626	$ 12,562,611	$ 55,371,139	$ 50,366,919	$ 48,680,752
Fresh and frozen meats
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									10,605,678	10,273,247	10,080,290
Canned and dry products
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									8,695,829	8,402,230	7,999,250
Frozen fruits, vegetables, bakery and other
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									8,444,260	6,719,648	6,339,537
Poultry
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									5,873,944	5,392,933	5,189,496
Dairy products
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									5,610,101	5,276,991	5,199,036
Fresh produce
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									4,701,440	4,156,978	3,828,298
Paper and disposables
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									3,596,470	3,557,514	3,507,007
Seafood
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									3,089,350	2,541,239	2,490,523
Beverage products
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									2,059,453	1,849,780	1,754,944
Janitorial products
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									1,331,019	1,251,821	1,102,855
Equipment and smallwares
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									794,087	593,595	661,254
Medical supplies
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									$ 569,508	$ 350,943	$ 528,262