Segment information (Sales) (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 27, 2020	Jun. 29, 2019	Jun. 30, 2018
Sales by major product categories
Sales	$ 17,634,333	$ 19,518,592	$ 19,036,892
Semiconductors
Sales by major product categories
Sales	13,440,300	14,973,300	14,890,900
Interconnect, passive & electromechanical (IP&E)
Sales by major product categories
Sales	3,146,000	3,516,000	3,227,000
Computers
Sales by major product categories
Sales	572,000	533,100	461,900
Other
Sales by major product categories
Sales	$ 476,000	$ 496,200	$ 457,100

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration