Supplemental Guarantor Information - Subsidiary Guarantees - Cash Flows (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Jul. 01, 2017
Cash flows provided by (used for):
Operating activities	$ 1,124,187	$ 1,082,424	$ 2,239,404
Investing activities	(559,310)	(3,305,146)	(3,584,461)
Financing activities	(411,999)	(764,612)	(1,682,637)
Effect of exchange rates on cash, cash equivalents and restricted cash	24,745	(76,833)	(22,104)
Net increase (decrease) in cash, cash equivalents and restricted cash	177,623	(3,064,167)	(3,049,798)
Cash, cash equivalents and restricted cash at beginning of period	869,502	3,919,300	3,919,300
Cash, cash equivalents and restricted cash at end of period	1,047,125	855,133	869,502
Reportable Legal Entities | Sysco
Cash flows provided by (used for):
Operating activities	336,774	523,779	1,535,775
Investing activities	(122,204)	(3,144,600)	(3,274,566)
Financing activities	(227,327)	(643,625)	(1,526,045)
Effect of exchange rates on cash, cash equivalents and restricted cash	0	0	0
Net increase (decrease) in cash, cash equivalents and restricted cash	(12,757)	(3,264,446)	(3,264,836)
Cash, cash equivalents and restricted cash at beginning of period	111,576	3,376,412	3,376,412
Cash, cash equivalents and restricted cash at end of period	98,819	111,966	111,576
Reportable Legal Entities | Certain U.S. Broadline Subsidiaries
Cash flows provided by (used for):
Operating activities	328,096	239,521	3,023,400
Investing activities	(235,164)	(142,438)	(261,330)
Financing activities	(5,609)	(50,962)	(2,777,661)
Effect of exchange rates on cash, cash equivalents and restricted cash	0	0	0
Net increase (decrease) in cash, cash equivalents and restricted cash	87,323	46,121	(15,591)
Cash, cash equivalents and restricted cash at beginning of period	18,788	34,379	34,379
Cash, cash equivalents and restricted cash at end of period	106,111	80,500	18,788
Reportable Legal Entities | Other Non-Guarantor Subsidiaries
Cash flows provided by (used for):
Operating activities	459,317	319,124	658,229
Investing activities	(349,564)	(18,108)	(175,565)
Financing activities	(31,441)	(70,025)	(229,931)
Effect of exchange rates on cash, cash equivalents and restricted cash	24,745	(76,833)	(22,104)
Net increase (decrease) in cash, cash equivalents and restricted cash	103,057	154,158	230,629
Cash, cash equivalents and restricted cash at beginning of period	739,138	508,509	508,509
Cash, cash equivalents and restricted cash at end of period	842,195	662,667	739,138
Eliminations
Cash flows provided by (used for):
Operating activities	0		(2,978,000)
Investing activities	147,622		127,000
Financing activities	(147,622)		2,851,000
Effect of exchange rates on cash, cash equivalents and restricted cash	0		0
Net increase (decrease) in cash, cash equivalents and restricted cash	0		0
Cash, cash equivalents and restricted cash at beginning of period	0	$ 0	0
Cash, cash equivalents and restricted cash at end of period	$ 0		$ 0