Segment information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Apr. 03, 2021	Mar. 28, 2020	Apr. 03, 2021	Mar. 28, 2020
Sales, by segment
Sales	$ 4,916,714	$ 4,309,818	$ 14,307,945	$ 13,474,632
Operating income (loss):
Restructuring, integration and other expenses	(17,574)	(19,211)	(55,943)	(58,073)
Goodwill and long-lived asset impairment expense		145,836		145,836
Amortization of acquired intangible assets and other	(5,283)	(21,071)	(35,875)	(62,603)
Operating income (loss)	87,684	(115,760)	163,407	(6,548)
Segment
Operating income (loss):
Operating income (loss)	142,426	108,191	357,339	355,380
Corporate
Operating income (loss):
Corporate	(31,885)	(37,833)	(102,114)	(95,416)
Electronic Components | Segment
Sales, by segment
Sales	4,520,608	3,974,669	13,245,143	12,472,484
Operating income (loss):
Operating income (loss)	118,565	84,841	306,927	290,271
Farnell | Segment
Sales, by segment
Sales	396,106	335,149	1,062,802	1,002,148
Operating income (loss):
Operating income (loss)	$ 23,861	$ 23,350	$ 50,412	$ 65,109