Segment information (Sales, by geographic area) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Mar. 28, 2020	Mar. 30, 2019
Sales, by geographic area:
Sales	$ 4,309,818	$ 4,698,824	$ 13,474,632	$ 14,837,683
Americas
Sales, by geographic area:
Sales	1,203,605	1,297,220	3,605,944	3,869,435
United States
Sales, by geographic area:
Sales	1,110,000	1,220,000	3,370,000	3,610,000
EMEA
Sales, by geographic area:
Sales	1,512,476	1,740,916	4,409,258	5,124,409
Germany
Sales, by geographic area:
Sales	568,000	666,200	1,690,000	2,000,000
Belgium
Sales, by geographic area:
Sales	278,300	311,900	837,700	868,200
Asia Pacific
Sales, by geographic area:
Sales	1,593,737	1,660,688	5,459,430	5,843,839
Taiwan
Sales, by geographic area:
Sales	649,700	659,700	2,390,000	2,470,000
China (including Hong Kong)
Sales, by geographic area:
Sales	524,100	565,500	1,760,000	1,930,000
SINGAPORE
Sales, by geographic area:
Sales	$ 239,300	$ 237,200	$ 722,700	$ 779,500