Leases - Supplemental Balance Sheet (Details) - USD ($) $ in Millions	Jan. 01, 2022	Jul. 03, 2021
Leases [Abstract]
Total operating ROU assets	$ 44.9
Operating Lease Liabilities, Current	9.7	$ 11.6
Operating Lease Liabilities, Noncurrent	32.1	30.8
Total operating lease liabilities	$ 41.8	$ 42.4
Operating Lease, Right-of-Use Asset, Statement of Financial Position	Other non-current assets
Operating Lease, Liability, Current, Statement of Financial Position	Other current liabilities	Other current liabilities
Operating Lease, Liability, Noncurrent, Statement of Financial Position	Other non-current liabilities	Other non-current liabilities