Segment information (Sales, by geographic area) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jun. 27, 2015
Sales, by geographic area:
Sales	$ 17,439,963	$ 16,740,597	$ 17,655,319
Americas
Sales, by geographic area:
Sales	5,163,900	4,801,300	5,154,500
United States
Sales, by geographic area:
Sales	4,800,000	4,480,000	4,790,000
EMEA
Sales, by geographic area:
Sales	5,912,900	5,103,000	5,053,000
Germany
Sales, by geographic area:
Sales	2,290,000	2,130,000	2,100,000
United Kingdom
Sales, by geographic area:
Sales	589,800	378,100	412,800
Asia Pacific
Sales, by geographic area:
Sales	6,363,200	6,836,300	7,447,800
Taiwan
Sales, by geographic area:
Sales	2,180,000	2,860,000	3,420,000
China (including Hong Kong)
Sales, by geographic area:
Sales	2,450,000	2,440,000	2,430,000
SINGAPORE
Sales, by geographic area:
Sales	$ 928,400	$ 903,000	$ 951,900