Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jul. 01, 2017
Income Statement [Abstract]
Sales	$ 19,518,592	$ 19,036,892	$ 17,439,963
Revenue, Product and Service [Extensible List]	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember
Cost of sales	$ 17,032,490	$ 16,509,708	$ 15,070,521
Cost, Product and Service [Extensible List]	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember
Gross profit	$ 2,486,102	$ 2,527,184	$ 2,369,442
Selling, general and administrative expenses	1,874,651	1,991,401	1,788,330
Goodwill impairment expense (Note 7)	137,396	181,440
Restructuring, integration and other expenses	108,144	145,125	137,415
Operating income	365,911	209,218	443,697
Other income (expense), net	11,231	28,606	(33,717)
Interest and other financing expenses, net	(134,874)	(92,747)	(99,576)
Income (loss) from continuing operations before taxes	242,268	145,077	310,404
Income tax expense	62,157	287,966	47,053
Income (loss) from continuing operations, net of tax	180,111	(142,889)	263,351
Income (loss) from discontinued operations, net of tax	(3,774)	(13,535)	261,927
Net income (loss)	$ 176,337	$ (156,424)	$ 525,278
Earnings (loss) per share:
Basic earnings (loss) per share-continuing operations	$ 1.64	$ (1.19)	$ 2.07
Basic earnings (loss) per share-discontinued operations	(0.03)	(0.11)	2.06
Basic earnings (loss) per share	1.61	(1.30)	4.13
Diluted earnings (loss) per share-continuing operations	1.63	(1.19)	2.05
Diluted earnings (loss) per share-discontinued operations	(0.04)	(0.11)	2.03
Diluted earnings (loss) per share	$ 1.59	$ (1.30)	$ 4.08
Shares used to compute earnings per share:
Basic	109,820	119,909	127,032
Diluted	110,798	119,909	128,651
Cash dividends paid per common share	$ 0.80	$ 0.74	$ 0.70