Cash, Cash Equivalents and Short-term Investments - Summary of Components of Other Income (Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jun. 27, 2020
Cash and Cash Equivalents [Abstract]
Foreign exchange gains (losses), net	$ 6.1	$ (4.4)	$ (1.4)
Interest and investment income	6.1	5.7	15.8
Other income (losses), net	(0.2)	1.5	17.0
Total other income (expense), net	$ 12.0	$ 2.8	$ 31.4