Segment information (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 29, 2018	Sep. 30, 2017
Sales, by segment
Sales	$ 5,089,879	$ 4,660,943
Operating income (expense):
Restructuring, integration and other expenses	(14,788)	(46,394)
Amortization of acquired intangible assets and other	(20,927)	(25,585)
Operating income	146,816	64,568
Segment
Operating income (expense):
Operating income	202,706	172,233
Electronic Components
Operating income (expense):
Operating income	161,913	139,601
Electronic Components | Segment
Sales, by segment
Sales	4,710,825	4,307,251
Premier Farnell
Operating income (expense):
Operating income	40,793	32,632
Premier Farnell | Segment
Sales, by segment
Sales	379,054	353,692
Business Support | Corporate
Operating income (expense):
Corporate	$ (20,175)	$ (35,686)