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Nominal or face amount used to calculate payments on the derivative asset.

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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	Sep. 30, 2022 USD ($)	Sep. 30, 2022 CAD ($)	Jun. 24, 2022 USD ($)	Jun. 24, 2022 CAD ($)
Foreign currency forward contracts
Liabilities
Derivative assets, notional amount	$ 4,000	$ 0.6	$ 64,200
Derivative liabilities, notional amount	(142,000)		(135,000)	$ (0.5)
Fair value, measurements, recurring
Assets
Derivative assets – current portion	458		110
Derivative assets – non-current portion	64
Total	258,660		290,633
Liabilities
Derivative liabilities – current portion	(10,489)		(7,345)
Derivative liabilities – non-current portion			234
Total	(10,489)		(7,579)
Fair value, measurements, recurring \| Interest rate swaps
Liabilities
Derivative assets, notional amount	64,200
Derivative liabilities, notional amount	(60,900)		(60,900)
Fair value, measurements, recurring \| Cash equivalents
Assets
Marketable securities	13,602		10,366
Fair value, measurements, recurring \| Liquidity funds
Assets
Marketable securities			31,477
Fair value, measurements, recurring \| Corporate debt securities
Assets
Marketable securities	229,876		229,018
Fair value, measurements, recurring \| U.S. agency and U.S. treasury securities
Assets
Marketable securities	14,660		19,662
Level 1 \| Fair value, measurements, recurring
Assets
Derivative assets – current portion	0		0
Derivative assets – non-current portion	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
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	458		110
Derivative assets – non-current portion	64
Total	258,660		290,633
Liabilities
Derivative liabilities – current portion	(10,489)		(7,345)
Derivative liabilities – non-current portion			234
Total	(10,489)		(7,579)
Level 2 \| Fair value, measurements, recurring \| Cash equivalents
Assets
Marketable securities	13,602		10,366
Level 2 \| Fair value, measurements, recurring \| Liquidity funds
Assets
Marketable securities			31,477
Level 2 \| Fair value, measurements, recurring \| Corporate debt securities
Assets
Marketable securities	229,876		229,018
Level 2 \| Fair value, measurements, recurring \| U.S. agency and U.S. treasury securities
Assets
Marketable securities	14,660		19,662
Level 3 \| Fair value, measurements, recurring
Assets
Derivative assets – current portion	0		0
Derivative assets – non-current portion	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
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