Income Taxes - Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jun. 27, 2020
Federal:
Current	$ 0.0	$ 0.0	$ 0.0
Deferred	0.0	0.0	0.0
Total federal income tax expense	0.0	0.0	0.0
State:
Current	(2.2)	20.1	2.7
Deferred	0.0	0.0	0.0
Total state income tax (benefit) expense	(2.2)	20.1	2.7
Foreign:
Current	63.2	44.8	50.1
Deferred	(11.4)	(1.6)	12.5
Total foreign income tax expense	51.8	43.2	62.6
Total income tax expense	$ 49.6	$ 63.3	$ 65.3