Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 29, 2018	Dec. 30, 2017
Income Statement [Abstract]
Sales	$ 5,048,980	$ 4,521,636	$ 10,138,859	$ 9,182,578
Type of Revenue [Extensible List]	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember
Cost of sales	$ 4,418,947	$ 3,919,175	$ 8,872,077	$ 7,967,563
Type of Cost, Good or Service [Extensible List]	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember	us-gaap:TechnologyServiceMember
Gross profit	$ 630,033	$ 602,461	$ 1,266,782	$ 1,215,015
Selling, general and administrative expenses	471,723	484,082	946,868	985,674
Restructuring, integration and other expenses	62,260	36,762	77,048	83,156
Operating income	96,050	81,617	242,866	146,185
Other income, net	2,584	3,349	692	22,270
Interest and other financing expenses, net	(33,718)	(22,826)	(63,811)	(44,841)
Income from continuing operations before taxes	64,916	62,140	179,747	123,614
Income tax expense	28,141	5,346	59,443	8,638
Income from continuing operations, net of tax	36,775	56,794	120,304	114,976
Loss from discontinued operations, net of tax	(374)	(10,070)	(179)	(9,949)
Net income	$ 36,401	$ 46,724	$ 120,125	$ 105,027
Earnings (loss) per share:
Basic earnings per share-continuing operations	$ 0.33	$ 0.47	$ 1.07	$ 0.94
Basic loss per share-discontinued operations	0.00	(0.08)	(0.01)	(0.08)
Basic earnings per share	0.33	0.39	1.06	0.86
Diluted earnings per share-continuing operations	0.33	0.47	1.06	0.93
Diluted loss per share-discontinued operations	0.00	(0.08)	(0.01)	(0.08)
Diluted earnings per share	$ 0.33	$ 0.39	$ 1.05	$ 0.85
Shares used to compute earnings per share:
Basic	110,332	120,400	112,796	121,543
Diluted	111,462	121,749	113,967	122,867
Cash dividends paid per common share	$ 0.20	$ 0.18	$ 0.40	$ 0.36