Segment information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jun. 29, 2019
Sales, by segment
Sales	$ 19,534,679	$ 17,634,333	$ 19,518,592
Operating income (loss):
Operating income (loss) before restructuring charges, integration, amortization of acquired intangible assets, and other	541,700	424,600	774,200
Restructuring, integration and other expenses	(84,391)	(81,870)	(108,144)
Goodwill and long-lived asset impairment expense		144,092	137,396
Amortization of acquired intangible assets and other	(41,200)	(81,600)	(84,300)
Operating income	281,408	(4,628)	365,911
Assets:
Assets	8,925,422	8,105,197	8,564,600
Capital expenditures:
Purchases of property, plant and equipment	50,363	73,516	122,690
Depreciation & amortization expense:
Depreciation and amortization expense	131,900	182,200	180,800
Corporate
Operating income (loss):
Corporate Overhead Expenses	(134,700)	(121,600)	(78,500)
Assets:
Assets	507,100	536,400	189,300
Capital expenditures:
Purchases of property, plant and equipment	2,500	7,600	8,600
Depreciation & amortization expense:
Depreciation and amortization expense	4,600	5,300	5,700
Electronic Components
Sales, by segment
Sales	18,030,500	16,340,100	18,060,300
Capital expenditures:
Purchases of property, plant and equipment	21,800	46,300	80,100
Depreciation & amortization expense:
Depreciation and amortization expense	73,400	88,400	86,600
Electronic Components | Segment
Operating income (loss):
Operating income (loss) before restructuring charges, integration, amortization of acquired intangible assets, and other	454,800	349,100	614,900
Assets:
Assets	6,950,000	6,096,700	6,795,000
Farnell
Sales, by segment
Sales	1,504,200	1,294,200	1,458,300
Capital expenditures:
Purchases of property, plant and equipment	26,100	19,600	34,000
Depreciation & amortization expense:
Depreciation and amortization expense	53,900	88,500	88,500
Farnell | Segment
Operating income (loss):
Operating income (loss) before restructuring charges, integration, amortization of acquired intangible assets, and other	86,900	75,500	159,300
Assets:
Assets	$ 1,468,300	$ 1,472,100	$ 1,580,300