Business Segment Information (Product Mix) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jul. 02, 2016	Mar. 26, 2016	Dec. 26, 2015	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Jul. 02, 2016	Jun. 27, 2015	Jun. 28, 2014
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales	$ 13,647,891	$ 12,002,791	$ 12,153,626	$ 12,562,611	$ 12,401,938	$ 11,746,659	$ 12,087,074	$ 12,445,081	$ 50,366,919	$ 48,680,752	$ 46,516,712
Fresh and frozen meats
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									10,273,247	10,080,290	8,809,148
Canned and dry products
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									8,402,230	7,999,250	8,383,007
Frozen fruits, vegetables, bakery and other
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									6,719,648	6,339,537	6,196,362
Poultry
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									5,392,933	5,189,496	4,814,949
Dairy products
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									5,276,991	5,199,036	4,956,895
Fresh produce
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									4,156,978	3,828,298	3,725,108
Paper and disposables
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									3,557,514	3,507,007	3,438,074
Seafood
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									2,541,239	2,490,523	2,401,021
Beverage products
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									1,849,780	1,754,944	1,671,000
Janitorial products
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									1,251,821	1,102,855	1,050,187
Equipment and smallwares
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									593,595	661,254	678,454
Medical supplies
Segment Reporting, Revenue Reconciling Item [Line Items]
Sales									$ 350,943	$ 528,262	$ 392,507