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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	Jun. 30, 2023 USD ($)	Jun. 30, 2023 CAD ($)	Jun. 24, 2022 USD ($)	Jun. 24, 2022 CAD ($)
Assets
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration]	Other current assets	Other current assets
Liabilities
Derivative Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses	Accrued expenses	Accrued expenses	Accrued expenses
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]			Other non-current liabilities	Other non-current liabilities
Foreign currency forward contracts
Liabilities
Derivative assets, notional amount	$ 3,000	$ 0.2	$ 64,200
Derivative liabilities, notional amount	140,000	$ 0.2	135,000	$ 0.5
Interest rate swaps
Liabilities
Derivative liabilities, notional amount			125,100
Fair value, measurements, recurring
Assets
Derivative assets - current portion	221		110
Total	319,722		290,633
Liabilities
Derivative liabilities - current portion	(5,236)		(7,345)
Derivative liabilities - non-current portion			(234)
Total	(5,236)		(7,579)
Fair value, measurements, recurring \| Interest rate swaps
Liabilities
Derivative assets, notional amount	60,900
Derivative liabilities, notional amount			60,900
Fair value, measurements, recurring \| Cash equivalents
Assets
Marketable securities	401		10,366
Fair value, measurements, recurring \| Liquidity funds
Assets
Marketable securities	41,104		31,477
Fair value, measurements, recurring \| Certificates of deposit and time deposits
Assets
Marketable securities	64,607
Fair value, measurements, recurring \| Corporate debt securities
Assets
Marketable securities	158,078		229,018
Fair value, measurements, recurring \| U.S. agency and U.S. Treasury securities
Assets
Marketable securities	55,311		19,662
Level 1 \| Fair value, measurements, recurring
Assets
Derivative assets - current portion	0		0
Total	0		0
Liabilities
Derivative liabilities - current portion	0		0
Derivative liabilities - non-current portion			0
Total	0		0
Level 1 \| Fair value, measurements, recurring \| Cash equivalents
Assets
Marketable securities	0		0
Level 1 \| Fair value, measurements, recurring \| Liquidity funds
Assets
Marketable securities	0		0
Level 1 \| Fair value, measurements, recurring \| Certificates of deposit and time deposits
Assets
Marketable securities	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	221		110
Total	319,722		290,633
Liabilities
Derivative liabilities - current portion	(5,236)		(7,345)
Derivative liabilities - non-current portion			(234)
Total	(5,236)		(7,579)
Level 2 \| Fair value, measurements, recurring \| Cash equivalents
Assets
Marketable securities	401		10,366
Level 2 \| Fair value, measurements, recurring \| Liquidity funds
Assets
Marketable securities	41,104		31,477
Level 2 \| Fair value, measurements, recurring \| Certificates of deposit and time deposits
Assets
Marketable securities	64,607
Level 2 \| Fair value, measurements, recurring \| Corporate debt securities
Assets
Marketable securities	158,078		229,018
Level 2 \| Fair value, measurements, recurring \| U.S. agency and U.S. Treasury securities
Assets
Marketable securities	55,311		19,662
Level 3 \| Fair value, measurements, recurring
Assets
Derivative assets - current portion	0		0
Total	0		0
Liabilities
Derivative liabilities - current portion	0		0
Derivative liabilities - non-current portion			0
Total	0		0
Level 3 \| Fair value, measurements, recurring \| Cash equivalents
Assets
Marketable securities	0		0
Level 3 \| Fair value, measurements, recurring \| Liquidity funds
Assets
Marketable securities	0		0
Level 3 \| Fair value, measurements, recurring \| Certificates of deposit and time deposits
Assets
Marketable securities	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