Segment information (Sales, by geographic area) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Jan. 02, 2021	Dec. 28, 2019
Sales, by geographic area:
Sales	$ 4,668,172	$ 4,534,806	$ 9,391,232	$ 9,164,814
Americas
Sales, by geographic area:
Sales	1,101,450	1,186,582	2,307,145	2,402,339
United States
Sales, by geographic area:
Sales	1,030,000	1,120,000	2,160,000	2,260,000
EMEA
Sales, by geographic area:
Sales	1,346,347	1,425,859	2,827,020	2,896,782
Germany
Sales, by geographic area:
Sales	520,800	537,600	1,100,000	1,120,000
Belgium
Sales, by geographic area:
Sales	255,000	281,600	549,400	559,400
Asia Pacific
Sales, by geographic area:
Sales	2,220,375	1,922,365	4,257,067	3,865,693
Taiwan
Sales, by geographic area:
Sales	1,070,000	867,800	1,990,000	1,740,000
China (including Hong Kong)
Sales, by geographic area:
Sales	666,000	611,800	1,300,000	1,240,000
SINGAPORE
Sales, by geographic area:
Sales	$ 252,600	$ 243,800	$ 524,600	$ 483,400