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Fair value of financial instruments - Schedule of Financial Instruments Measured at Fair Value on Recurring Basis (Details) $ in Thousands, $ in Millions	Mar. 28, 2025 USD ($)	Mar. 28, 2025 CAD ($)	Jun. 28, 2024 USD ($)	Jun. 28, 2024 CAD ($)
Foreign currency forward contracts
Liabilities
Derivative assets, notional amount			$ 8,000
Derivative liabilities, notional amount	$ 105,000		127,000
Foreign currency forward contracts \| Canada, dollars
Liabilities
Derivative liabilities, notional amount		$ 0.4		$ 0.4
Fair value, measurements, recurring
Assets
Derivative assets – current portion	347		15
Total	644,167		448,680
Liabilities
Derivative liabilities – current portion	(1,129)		(2,244)
Total	(1,129)		(2,244)
Fair value, measurements, recurring \| Foreign currency forward contracts
Liabilities
Derivative assets, notional amount	50,000
Fair value, measurements, recurring \| Cash equivalents
Assets
Marketable securities	48		35
Fair value, measurements, recurring \| Certificates of deposit and time deposits
Assets
Marketable securities	249,005		134,283
Fair value, measurements, recurring \| Corporate debt securities
Assets
Marketable securities	136,587		136,763
Fair value, measurements, recurring \| U.S. agency and U.S. treasury securities
Assets
Marketable securities	258,180		177,584
Level 1 \| Fair value, measurements, recurring
Assets
Derivative assets – current portion	0		0
Total	0		0
Liabilities
Derivative liabilities – current portion	0		0
Total	0		0
Level 1 \| Fair value, measurements, recurring \| Cash equivalents
Assets
Marketable securities	0		0
Level 1 \| Fair value, measurements, recurring \| Certificates of deposit and time deposits
Assets
Marketable securities	0		0
Level 1 \| Fair value, measurements, recurring \| Corporate debt securities
Assets
Marketable securities	0		0
Level 1 \| Fair value, measurements, recurring \| U.S. agency and U.S. treasury securities
Assets
Marketable securities	0		0
Level 2 \| Fair value, measurements, recurring
Assets
Derivative assets – current portion	347		15
Total	644,167		448,680
Liabilities
Derivative liabilities – current portion	(1,129)		(2,244)
Total	(1,129)		(2,244)
Level 2 \| Fair value, measurements, recurring \| Cash equivalents
Assets
Marketable securities	48		35
Level 2 \| Fair value, measurements, recurring \| Certificates of deposit and time deposits
Assets
Marketable securities	249,005		134,283
Level 2 \| Fair value, measurements, recurring \| Corporate debt securities
Assets
Marketable securities	136,587		136,763
Level 2 \| Fair value, measurements, recurring \| U.S. agency and U.S. treasury securities
Assets
Marketable securities	258,180		177,584
Level 3 \| Fair value, measurements, recurring
Assets
Derivative assets – current portion	0		0
Total	0		0
Liabilities
Derivative liabilities – current portion	0		0
Total	0		0
Level 3 \| Fair value, measurements, recurring \| Cash equivalents
Assets
Marketable securities	0		0
Level 3 \| Fair value, measurements, recurring \| Certificates of deposit and time deposits
Assets
Marketable securities	0		0
Level 3 \| Fair value, measurements, recurring \| Corporate debt securities
Assets
Marketable securities	0		0
Level 3 \| Fair value, measurements, recurring \| U.S. agency and U.S. treasury securities
Assets
Marketable securities	$ 0		$ 0