Supplemental Guarantor Information - Subsidiary Guarantees - Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Jul. 01, 2017
Cash flows provided by (used for):
Operating activities	$ 82,775	$ 253,942	$ 2,215,510
Investing activities	(134,539)	(3,048,455)	(3,584,461)
Financing activities	72,895	(394,927)	(1,658,743)
Effect of exchange rates on cash and cash equivalents	18,570	30,038	(22,104)
Net increase (decrease) in cash and cash equivalents	39,701	(3,159,402)	(3,049,798)
Cash and cash equivalents at beginning of period	869,502	3,919,300	3,919,300
Cash and cash equivalents at end of period	909,203	759,898	869,502
Reportable Legal Entities | Sysco
Cash flows provided by (used for):
Operating activities	(49,085)	151,435	1,511,881
Investing activities	(18,365)	(3,095,842)	(3,274,566)
Financing activities	76,568	(301,193)	(1,502,151)
Effect of exchange rates on cash and cash equivalents	0	0	0
Net increase (decrease) in cash and cash equivalents	9,118	(3,245,600)	(3,264,836)
Cash and cash equivalents at beginning of period	111,576	3,376,412	3,376,412
Cash and cash equivalents at end of period	120,694	130,812	111,576
Reportable Legal Entities | U.S. Broadline Subsidiaries
Cash flows provided by (used for):
Operating activities	76,658	55,491	3,023,400
Investing activities	(53,281)	(48,677)	(261,330)
Financing activities	(4,872)	(8,894)	(2,777,661)
Effect of exchange rates on cash and cash equivalents	0	0	0
Net increase (decrease) in cash and cash equivalents	18,505	(2,080)	(15,591)
Cash and cash equivalents at beginning of period	18,788	34,379	34,379
Cash and cash equivalents at end of period	37,293	32,299	18,788
Reportable Legal Entities | Other Non-Guarantor Subsidiaries
Cash flows provided by (used for):
Operating activities	55,202	47,016	658,229
Investing activities	(62,893)	96,064	(175,565)
Financing activities	1,199	(84,840)	(229,931)
Effect of exchange rates on cash and cash equivalents	18,570	30,038	(22,104)
Net increase (decrease) in cash and cash equivalents	12,078	88,278	230,629
Cash and cash equivalents at beginning of period	739,138	508,509	508,509
Cash and cash equivalents at end of period	751,216	596,787	739,138
Eliminations
Cash flows provided by (used for):
Operating activities			(2,978,000)
Investing activities			127,000
Financing activities			2,851,000
Effect of exchange rates on cash and cash equivalents			0
Net increase (decrease) in cash and cash equivalents			0
Cash and cash equivalents at beginning of period	$ 0	$ 0	0
Cash and cash equivalents at end of period			$ 0