Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Jan. 01, 2022	Jan. 02, 2021
Finance leases:
Property and equipment - gross	$ 22.3	$ 24.3
Accumulated depreciation and amortization	(17.4)	(17.5)
Property and equipment - net	4.9	6.8
Other accrued liabilities	2.4	2.7
Other long-term liabilities	4.5	7.4
Total finance lease liabilities	6.9	10.1
Operating Lease Right-Of-Use Asset [Abstract]
Operating lease right-of-use assets	51.9	51.9
Operating lease liability	19.6	19.3
Operating lease liabilities	34.2	34.0
Total operating lease liabilities	$ 53.8	$ 53.3
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other long-term liabilities	Other long-term liabilities
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other accrued liabilities	Other accrued liabilities
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other accrued liabilities	Other accrued liabilities
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property and equipment – net	Property and equipment – net