Cash, Cash Equivalents and Short-term Investments - Summary of Components of Other Income (Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jul. 02, 2022
Cash and Cash Equivalents [Abstract]
Foreign exchange gains, net		$ 7.0	$ 6.1
Interest and investment income		40.8	6.1
Other income (losses), net		1.0	(0.2)
Other income, net	$ 62.1	$ 48.8	$ 12.0