Leases - Quantitative Disclosures (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Lease expenses
Operating lease expenses	$ 33.9	$ 30.5	$ 31.5
Finance lease expenses:
—Finance lease amortization expenses	1.2	1.2	1.1
—Interest on lease liabilities	0.1	0.1	0.1
Short-term lease expenses	8.2	7.2	6.7
Variable lease expenses	6.5	6.0	7.9
Total lease expenses	49.9	45.0	47.3
Other information
Right-of-use assets obtained in exchange for new operating lease liabilities	10.2	34.9	29.9
Assets obtained in exchange for new finance lease liabilities	0.3	0.8	1.5
Gain on sale and leaseback transactions, net	0.0	0.0	(9.3)
Cash paid for amounts included in the measurement of lease liabilities:
—Operating cash flows from finance leases	0.0	0.1	0.1
—Operating cash flows from operating leases	30.7	27.6	30.1
—Financing cash flows from finance leases	1.0	1.3	1.2
Cash paid for amounts included in the measurement of lease liabilities	$ 31.7	$ 29.0	$ 31.4
Weighted-average remaining lease term — finance leases	2 years 6 months	2 years 10 months 24 days	4 years
Weighted-average remaining lease term — operating leases	7 years 10 months 24 days	8 years 6 months	9 years
Weighted-average discount rate — finance leases (percent)	4.20%	3.20%	2.50%
Weighted-average discount rate — operating leases (percent)	5.30%	5.40%	5.10%