v3.25.1

Fair value of financial instruments - Narrative (Details) $ in Millions, $ in Millions	3 Months Ended		6 Months Ended	9 Months Ended
	Mar. 28, 2025 USD ($) contract	Mar. 29, 2024 USD ($)	Dec. 27, 2024 USD ($)	Mar. 28, 2025 USD ($) contract	Mar. 29, 2024 USD ($)	Mar. 28, 2025 CAD ($) contract	Jun. 28, 2024 USD ($) contract	Jun. 28, 2024 CAD ($) contract
Foreign Currency Fair Value Hedge Derivative [Line Items]
Unrealized gain (loss) on derivatives	$ 1.6	$ (3.7)		$ 0.6	$ (0.8)
Foreign currency forward contracts
Foreign Currency Fair Value Hedge Derivative [Line Items]
Derivative liabilities, notional amount	$ 105.0			105.0			$ 127.0
Derivative assets, notional amount							$ 8.0
Gain/(loss) from accumulated other comprehensive income expected to be reclassified			$ (1.2)	$ (0.2)
Foreign currency forward contracts | Canada, dollars
Foreign Currency Fair Value Hedge Derivative [Line Items]
Derivative liabilities, notional amount						$ 0.4		$ 0.4
Foreign currency forward contracts | Designated as hedging instrument | Thailand, baht
Foreign Currency Fair Value Hedge Derivative [Line Items]
Number of forward contracts outstanding | contract	155			155		155	135	135
Derivative, notional amount	$ 155.0			$ 155.0			$ 135.0
Foreign currency forward contracts | Designated as hedging instrument | Canada, dollars
Foreign Currency Fair Value Hedge Derivative [Line Items]
Number of forward contracts outstanding | contract	1			1		1	1	1
Derivative liabilities, notional amount						$ 0.4		$ 0.4

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

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The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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