Segment information (Sales, by geographic area) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jul. 02, 2016
Sales, by geographic area:
Sales	$ 19,036,892	$ 17,439,963	$ 16,740,597
Americas
Sales, by geographic area:
Sales	5,011,400	5,163,900	4,801,300
United States
Sales, by geographic area:
Sales	4,640,000	4,800,000	4,480,000
EMEA
Sales, by geographic area:
Sales	6,790,900	5,912,900	5,103,000
Germany
Sales, by geographic area:
Sales	2,660,000	2,290,000	2,130,000
Belgium
Sales, by geographic area:
Sales	1,080,000	930,300	740,600
Asia Pacific
Sales, by geographic area:
Sales	7,234,600	6,363,200	6,836,300
Taiwan
Sales, by geographic area:
Sales	2,710,000	2,180,000	2,860,000
China (including Hong Kong)
Sales, by geographic area:
Sales	2,630,000	2,450,000	2,440,000
SINGAPORE
Sales, by geographic area:
Sales	$ 949,500	$ 928,400	$ 903,000