Segment information (Sales, by geographic area) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 30, 2017	Dec. 31, 2016
Sales, by geographic area:
Sales	$ 4,521,636	$ 4,273,559	$ 9,182,578	$ 8,391,663
Americas
Sales, by geographic area:
Sales	1,210,251	1,252,606	2,395,735	2,503,114
United States
Sales, by geographic area:
Sales	1,120,000	1,160,000	2,210,000	2,380,000
EMEA
Sales, by geographic area:
Sales	1,506,015	1,380,694	3,199,000	2,645,988
Germany
Sales, by geographic area:
Sales	571,300	518,700	1,250,000	1,040,000
Belgium
Sales, by geographic area:
Sales	242,400	227,500	504,900	430,200
Asia Pacific
Sales, by geographic area:
Sales	1,805,370	1,640,259	3,587,843	3,242,561
Taiwan
Sales, by geographic area:
Sales	715,300	597,100	1,370,000	1,190,000
China (including Hong Kong)
Sales, by geographic area:
Sales	639,800	611,800	1,300,000	1,240,000
SINGAPORE
Sales, by geographic area:
Sales	$ 217,300	$ 220,600	$ 446,200	$ 453,000