Significant Accounting Policies - Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Selling, general and administrative expenses
Lessee, Lease, Description [Line Items]
Lease impairment loss	$ 1.7	$ 2.1	$ 7.5
Restructuring charges
Lessee, Lease, Description [Line Items]
Lease impairment loss	$ 0.0	$ 0.0	$ 0.7