Leases - Supplemental Balance Sheet (Details) - USD ($) $ in Millions	Jan. 02, 2021	Jun. 27, 2020
Leases [Abstract]
Other non-current assets	$ 39.9
Total operating ROU assets	39.9
Other current liabilities	12.1	$ 11.7
Other non-current liabilities	25.7	28.1
Total operating lease liabilities	$ 37.8	$ 39.8