Leases Operating Lease Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Leases [Abstract]
Operating lease cost	$ 34.5	$ 34.1
Variable lease cost	12.3	12.3
Short-term lease cost	1.3	1.2
Sublease income	6.5	4.8
Total lease cost	$ 41.6	$ 42.8