Debt - Interest Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Jan. 01, 2022	Jan. 02, 2021
Debt Disclosure [Abstract]
Interest expense-contractual interest	$ 5.3	$ 2.4	$ 7.6	$ 4.7
Amortization of debt issuance cost	1.1	0.5	1.6	1.0
Other	0.7	0.7	1.5	1.5
Total interest expense	$ 7.1	$ 3.6	$ 10.7	$ 7.2