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Investments and Forward Contracts - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 28, 2024	Dec. 30, 2023	Sep. 28, 2024	Jun. 29, 2024
Summary of Investment Holdings [Line Items]
Short-term investments	$ 21.4		$ 21.4			$ 19.9
Deposit asset term	30 days		30 days			30 days
Deposits assets	$ 19.8		$ 19.8			$ 18.4
Trading securities	1.6		1.6			1.5
Equity securities	1.5		1.5			1.4
Market securities	0.1		0.1
Debt securities						0.1
Strategic investment in non-marketable equity securities	3.0		3.0		$ 3.0	0.0
Fair value of forward contracts	3.1		3.1			1.7
Fair value of forward contracts	7.8		7.8			1.5
Foreign exchange forward contracts
Summary of Investment Holdings [Line Items]
Fair value of forward contracts	3.1		3.1			1.7
Fair value of forward contracts	7.8		7.8			1.5
Foreign exchange forward contracts \| Not designated
Summary of Investment Holdings [Line Items]
Gain (loss) on derivatives	(4.7)	$ 3.4	$ (3.3)	$ (0.1)
Foreign exchange forward contracts \| Not designated \| Held to purchase
Summary of Investment Holdings [Line Items]
Derivative, term of contract			120 days
Notional amount of forward contracts	189.5		$ 189.5			81.9
Foreign exchange forward contracts \| Not designated \| Held to sell
Summary of Investment Holdings [Line Items]
Notional amount of forward contracts	$ 174.0		$ 174.0			$ 26.8