Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Financing cash flows from finance leases	$ 3.1	$ 3.4	$ 2.8
Operating cash flows from finance leases	0.3	0.4	0.5
Operating cash flows from operating leases	23.5	23.1	23.5
ROU assets obtained in exchange for new lease obligations:
Finance lease liabilities	0.3	0.4	1.4
Operating lease liabilities	$ 23.4	$ 15.2	$ 12.5