Segment information (Sales, by geographic area) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 30, 2019	Mar. 31, 2018	Mar. 30, 2019	Mar. 31, 2018
Sales, by geographic area:
Sales	$ 4,698,824	$ 4,795,093	$ 14,837,683	$ 13,977,672
Americas
Sales, by geographic area:
Sales	1,297,220	1,276,426	3,869,435	3,672,160
United States
Sales, by geographic area:
Sales	1,220,000	1,180,000	3,610,000	3,400,000
EMEA
Sales, by geographic area:
Sales	1,740,916	1,812,334	5,124,409	5,011,336
Germany
Sales, by geographic area:
Sales	666,200	717,800	2,000,000	1,980,000
Belgium
Sales, by geographic area:
Sales	311,900	281,100	868,200	786,000
Asia Pacific
Sales, by geographic area:
Sales	1,660,688	1,706,333	5,843,839	5,294,176
Taiwan
Sales, by geographic area:
Sales	659,700	616,700	2,470,000	1,990,000
China (including Hong Kong)
Sales, by geographic area:
Sales	565,500	638,100	1,930,000	1,920,000
SINGAPORE
Sales, by geographic area:
Sales	$ 237,200	$ 231,600	$ 779,500	$ 677,800