Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jun. 29, 2019
Income Statement [Abstract]
Sales	$ 19,534,679	$ 17,634,333	$ 19,518,592
Revenue, Product and Service [Extensible List]	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember
Cost of sales	$ 17,294,049	$ 15,570,877	$ 17,032,490
Cost, Product and Service [Extensible List]	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember
Gross profit	$ 2,240,630	$ 2,063,456	$ 2,486,102
Selling, general and administrative expenses	1,874,831	1,842,122	1,874,651
Goodwill and long-lived asset impairment expense		144,092	137,396
Restructuring, integration and other expenses	84,391	81,870	108,144
Operating income (loss)	281,408	(4,628)	365,911
Other (expense) income, net	(19,006)	(2,215)	5,559
Interest and other financing expenses, net	(89,473)	(122,742)	(134,874)
Income (loss) before taxes	172,929	(129,585)	236,596
Income tax benefit	(20,185)	(98,504)	60,259
Net income (loss)	$ 193,114	$ (31,081)	$ 176,337
Earnings (loss) per share:
Basic	$ 1.95	$ (0.31)	$ 1.61
Diluted	$ 1.93	$ (0.31)	$ 1.59
Shares used to compute earnings per share:
Basic	99,258	100,474	109,820
Diluted	100,168	100,474	110,798
Cash dividends paid per common share	$ 0.85	$ 0.84	$ 0.80