Leases (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Finance Lease, Right-of-Use Asset	$ 5.3	$ 8.1
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	2.5	2.7
Finance Lease, Liability, Noncurrent	1.4	$ 3.6
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year	8.8
Finance Lease, Liability, Payments, Remainder of Fiscal Year	$ 2.5
Operating Lease, Weighted Average Remaining Lease Term	2 years 6 months	3 years 1 month 6 days
Operating Lease, Payments	$ 12.4	$ 10.2	$ 9.6
Finance Lease, Right-of-Use Asset	5.3	8.1
Operating Lease, Cost	8.2	9.9	9.9
Finance Lease, Right-of-Use Asset, Amortization	2.3	2.3	2.1
Finance Lease, Interest Expense	0.3	0.4	0.5
Sublease Income	(3.5)	(3.0)	(3.0)
Lease, Cost	7.3	9.6	9.5
Finance Lease, Liability	3.9	6.3
Finance Lease, Interest Payment on Liability	0.3	0.4	0.5
Finance Lease, Principal Payments	4.8	2.3	2.0
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	2.0	6.5	2.2
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	$ 0.4	$ 0.3	$ 0.1
Finance Lease, Weighted Average Remaining Lease Term	2 years 2 months 12 days	3 years 1 month 6 days
Operating Lease, Weighted Average Discount Rate, Percent	3.40%	3.80%
Finance Lease, Weighted Average Discount Rate, Percent	5.30%	5.40%
Lessee, Operating Lease, Liability, Payments, Due Year Two	$ 4.2
Finance Lease, Liability, Payments, Due Year Two	1.4
Lessee, Operating Lease, Liability, Payments, Due Year Three	2.0
Finance Lease, Liability, Payments, Due Year Three	0.1
Lessee, Operating Lease, Liability, Payments, Due Year Four	0.7
Finance Lease, Liability, Payments, Due Year Four	0.1
Lessee, Operating Lease, Liability, Payments, Due Year Five	0.3
Finance Lease, Liability, Payments, Due Year Five	0.0
Lessee, Operating Lease, Liability, Payments, Due after Year Five	0.0
Finance Lease, Liability, Payments, Due after Year Five	0.0
Lessee, Operating Lease, Liability, Payments, Due	16.0
Finance Lease, Liability, Payment, Due	4.1
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(0.4)
Finance Lease, Liability, Undiscounted Excess Amount	(0.2)
Operating Lease, Liability	$ 15.6
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other Assets	Other Assets
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Current	Other Liabilities, Current
Maximum [Member]
Lessee, Operating Lease, Term of Contract	5 years
Lessor, Operating Lease, Renewal Term	6 years
Minimum [Member]
Lessee, Operating Lease, Term of Contract	1 year
Lessee Operating and Finance Leases Options to Terminate Leases Term	1 year