Working capital - Receivables (Details) - USD ($) $ in Thousands	Dec. 30, 2023	Jul. 01, 2023	Dec. 31, 2022	Jul. 02, 2022
Working capital
Receivables	$ 4,624,549	$ 4,876,631
Allowance for Credit Losses	$ (115,807)	$ (112,843)	$ (106,505)	$ (113,902)

Amount of allowance for credit loss on accounts receivable.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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Name:	us-gaap_AllowanceForDoubtfulAccountsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant