Working capital - Receivables (Details) - USD ($) $ in Thousands	Dec. 27, 2025	Jun. 28, 2025	Dec. 28, 2024	Jun. 29, 2024
Working capital
Gross receivables	$ 5,345,067	$ 4,435,645
Allowance for Credit Losses	(102,266)	(108,195)	$ (110,357)	$ (108,504)
Receivables	$ 5,242,801	$ 4,327,450

Amount of allowance for credit loss on accounts receivable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Name:	us-gaap_AllowanceForDoubtfulAccountsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant