Segment information (Sales, by geographic area) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 29, 2018	Dec. 30, 2017
Sales, by geographic area:
Sales	$ 5,048,980	$ 4,521,636	$ 10,138,859	$ 9,182,578
Americas
Sales, by geographic area:
Sales	1,300,423	1,210,251	2,572,216	2,395,735
United States
Sales, by geographic area:
Sales	1,210,000	1,120,000	2,390,000	2,210,000
EMEA
Sales, by geographic area:
Sales	1,668,575	1,506,015	3,383,492	3,199,000
Germany
Sales, by geographic area:
Sales	648,500	577,500	1,330,000	1,270,000
Belgium
Sales, by geographic area:
Sales	276,200	242,400	556,300	504,900
Asia Pacific
Sales, by geographic area:
Sales	2,079,982	1,805,370	4,183,151	3,587,843
Taiwan
Sales, by geographic area:
Sales	926,100	715,300	1,810,000	1,370,000
China (including Hong Kong)
Sales, by geographic area:
Sales	668,400	633,600	1,360,000	1,280,000
SINGAPORE
Sales, by geographic area:
Sales	$ 261,900	$ 217,300	$ 542,300	$ 446,200