Leases - Supplemental Consolidated Balance Sheet Information Related to Leases (Details) - USD ($) $ in Millions	Dec. 31, 2023	Jan. 01, 2023
ROU Assets:
Operating lease, right-of-use asset, including held-for-sale	$ 61.3
Operating lease right-of-use assets	$ 47.1	$ 66.8
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, Plant and Equipment, Net	Property, Plant and Equipment, Net
Finance lease, right-of-use assets	$ 0.3	$ 1.3
Total lease assets	61.6	68.1
ROU Liabilities:
Operating lease current liabilities	14.0
Operating lease liabilities	$ 8.4	$ 14.7
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accounts payable and accrued liabilities	Accounts payable and accrued liabilities
Finance lease current liabilities	$ 0.0	$ 1.2
Operating lease, liability, including held-for-sale, noncurrent	51.9
Operating lease liabilities	$ 42.9	$ 55.0
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other long-term liabilities	Other long-term liabilities
Finance lease noncurrent liabilities	$ 0.0	$ 0.0
Total lease liabilities	$ 65.9	$ 70.9