Revenues from contracts with customers - Schedule of Activity in the Company's Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 25, 2026	Sep. 26, 2025
Movement In Contract With Customer Liability [Roll Forward]
Balance at the beginning of period	$ 4,237	$ 14,467
Advance payments received during the period	8,073	4,074
Revenue recognized	(6,816)	(8,765)
Balance at the end of period	$ 5,494	$ 9,776

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
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-Name Accounting Standards Codification
-Section 45
-Paragraph 8
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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-Name Accounting Standards Codification
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-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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-Name Accounting Standards Codification
-Section 50
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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-URI https://asc.fasb.org/1943274/2147479837/606-10-45-2

Name:	us-gaap_ContractWithCustomerLiabilityCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant