Segment information (Details)K - USD ($) $ in Thousands	12 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jul. 01, 2023
Sales, by segment
Sales	$ 22,200,754	$ 23,757,129	$ 26,536,881
Gross profit, by segment [Abstract]
Gross Profit	2,384,956	2,766,442	3,182,143
Operating income (loss):
Selling, general and administrative expense	1,762,386	1,869,525	1,967,305
Operating income (loss) before restructuring charges, integration, amortization of acquired intangible assets, and other	741,000	1,012,400	1,345,100
Restructuring, integration and other expenses	(108,316)	(52,550)	(28,038)
Amortization of acquired intangible assets	(1,500)	(3,100)	(6,100)
Operating income	514,254	844,367	1,186,800
Assets:
Assets	12,118,553	12,209,147	12,477,200
Capital expenditures:
Purchases of property, plant and equipment	147,500	226,500	194,700
Depreciation & amortization expense:
Depreciation and amortization expense	71,616	86,708	88,613
Corporate
Operating income (loss):
Corporate Overhead Expenses	(116,900)	(112,300)	(124,200)
Assets:
Assets	391,200	338,400	442,800
Capital expenditures:
Purchases of property, plant and equipment	35,500	100	100
Depreciation & amortization expense:
Depreciation and amortization expense	100	100	200
Electronic Components | Segment
Sales, by segment
Sales	20,755,000	22,160,000	24,802,600
Gross profit, by segment [Abstract]
Gross Profit	2,008,300	2,312,400	2,612,400
Operating income (loss):
Selling, general and administrative expense	1,300,100	1,364,900	1,432,800
Operating income (loss) before restructuring charges, integration, amortization of acquired intangible assets, and other	708,200	947,500	1,179,600
Assets:
Assets	9,984,900	10,162,800	10,375,400
Capital expenditures:
Purchases of property, plant and equipment	90,600	176,500	153,400
Depreciation & amortization expense:
Depreciation and amortization expense	51,700	60,600	63,600
Electronic Components | Semiconductors | Segment
Sales, by segment
Sales	17,000,000
Electronic Components | Interconnect, passive & electromechanical (IP&E) | Segment
Sales, by segment
Sales	3,300,000
Electronic Components | Computer Products | Segment
Sales, by segment
Sales	371,800
Electronic Components | Other | Segment
Sales, by segment
Sales	85,600
Farnell | Segment
Sales, by segment
Sales	1,445,800	1,597,100	1,734,300
Gross profit, by segment [Abstract]
Gross Profit	376,700	454,000	569,800
Operating income (loss):
Selling, general and administrative expense	343,800	389,200	404,300
Operating income (loss) before restructuring charges, integration, amortization of acquired intangible assets, and other	32,800	64,800	165,500
Assets:
Assets	1,742,400	1,707,900	1,659,000
Capital expenditures:
Purchases of property, plant and equipment	21,400	49,900	41,200
Depreciation & amortization expense:
Depreciation and amortization expense	19,800	$ 26,000	$ 24,800
Farnell | Semiconductors | Segment
Sales, by segment
Sales	206,900
Farnell | Interconnect, passive & electromechanical (IP&E) | Segment
Sales, by segment
Sales	680,300
Farnell | Computer Products | Segment
Sales, by segment
Sales	157,000
Farnell | Other | Segment
Sales, by segment
Sales	$ 401,600