Leases - Schedule of Lease Cost Components (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Jan. 01, 2023	Jan. 02, 2022
Finance Lease Cost:
Amortization of right of use asset	$ 10.9	$ 8.9	$ 7.1
Interest on lease liabilities	4.6	4.1	3.1
Operating lease cost	17.6	16.4	22.7
Short-term lease cost	4.5	2.9	1.6
Variable lease cost	1.0	1.0	0.9
Sublease income	(0.4)	0.0	(0.3)
Total lease cost	38.2	33.3	35.1
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from finance leases	4.6	4.1	3.0
Operating cash flows from operating leases	16.8	17.4	20.0
Financing cash flows from finance leases	24.9	20.9	14.3
Right of use assets obtained in exchange for new finance lease liabilities	54.6	15.3	58.9
Right of use assets obtained in exchange for new operating lease liabilities	$ 25.8	$ 18.0	$ 4.8
Weighted average remaining lease term - finance leases	4 years	4 years	5 years
Weighted average remaining lease term - operating leases	7 years	6 years	5 years
Weighted average discount rate - finance leases	5.40%	5.60%	5.20%
Weighted average discount rate - operating leases	7.10%	6.80%	6.50%