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Investments and Forward Contracts - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 03, 2021	Mar. 28, 2020	Apr. 03, 2021	Mar. 28, 2020	Jun. 27, 2020
Investments, Forward Contracts and Fair Value Measurements
Term of maturities of securities classified as current assets included in short-term investments			12 months
Estimated fair value of securities	$ 0.5		$ 0.5		$ 0.5
Foreign Currency Forward Contracts
Total assets	384.2		384.2		338.7
Total liabilities	8.9		$ 8.9		11.4
Not designated \| Foreign exchange forward contracts
Foreign Currency Forward Contracts
Derivative asset, fair value					2.2
Derivative liability, fair value					1.5
Derivative, term of contract			120 days
Gain (loss) on derivatives	(0.1)	$ (4.0)	$ 13.3	$ (1.8)
Not designated \| Foreign exchange forward contracts \| Held to purchase
Foreign Currency Forward Contracts
Notional amount of forward contracts	120.2		120.2		146.4
Not designated \| Foreign exchange forward contracts \| Held to sell
Foreign Currency Forward Contracts
Notional amount of forward contracts	20.6		20.6		22.0
Other non-current assets
Investments, Forward Contracts and Fair Value Measurements
Estimated fair value of securities	0.5		0.5		0.5
Foreign Currency Forward Contracts
Total assets	5.1		5.1		4.5
Short-term investments
Investments, Forward Contracts and Fair Value Measurements
Deferred compensation plan assets	1.5		1.5		1.4
Foreign Currency Forward Contracts
Total assets	1.5		1.5		1.4
Prepayments and other current assets
Foreign Currency Forward Contracts
Total assets	2.1		2.1		2.2
Other current liabilities
Foreign Currency Forward Contracts
Total liabilities	2.2		2.2		1.5
Debt Securities \| Short-term investments
Investments, Forward Contracts and Fair Value Measurements
Deferred compensation plan assets	0.4		0.4		0.3
Money market instruments and funds \| Short-term investments
Investments, Forward Contracts and Fair Value Measurements
Deferred compensation plan assets	0.2		0.2		0.2
Equity Securities \| Short-term investments
Investments, Forward Contracts and Fair Value Measurements
Deferred compensation plan assets	$ 0.9		$ 0.9		$ 0.9