Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 28, 2019	Dec. 29, 2018
Income Statement [Abstract]
Sales	$ 4,534,806	$ 5,048,980	$ 9,164,814	$ 10,138,859
Revenue, Product and Service [Extensible List]	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember
Cost of sales	$ 4,009,193	$ 4,418,947	$ 8,095,362	$ 8,872,077
Cost, Product and Service [Extensible List]	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember
Gross profit	$ 525,613	$ 630,033	$ 1,069,452	$ 1,266,782
Selling, general and administrative expenses	464,873	471,723	921,377	946,868
Restructuring, integration and other expenses	14,265	62,260	38,863	77,048
Operating income	46,475	96,050	109,212	242,866
Other (expense) income, net	(485)	2,584	4,447	692
Interest and other financing expenses, net	(33,904)	(33,718)	(67,535)	(63,811)
Income from continuing operations before taxes	12,086	64,916	46,124	179,747
Income tax expense (benefit)	6,870	28,141	(844)	59,443
Income from continuing operations, net of tax	5,216	36,775	46,968	120,304
Loss from discontinued operations, net of tax	(1,548)	(374)	(1,548)	(179)
Net income	$ 3,668	$ 36,401	$ 45,420	$ 120,125
Earnings (loss) per share:
Basic earnings per share-continuing operations	$ 0.05	$ 0.33	$ 0.46	$ 1.07
Basic loss per share-discontinued operations	(0.01)	0.00	(0.01)	(0.01)
Basic earnings per share	0.04	0.33	0.45	1.06
Diluted earnings per share-continuing operations	0.05	0.33	0.45	1.06
Diluted loss per share-discontinued operations	(0.01)	0.00	(0.01)	(0.01)
Diluted earnings per share	$ 0.04	$ 0.33	$ 0.44	$ 1.05
Shares used to compute earnings per share:
Basic	100,431	110,332	101,781	112,796
Diluted	101,302	111,462	102,839	113,967
Cash dividends paid per common share	$ 0.21	$ 0.20	$ 0.42	$ 0.40