Leases Operating Lease Liability, Maturity Analysis (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
Lessee, Operating Lease, Liability, Payments, Due Next Rolling Twelve Months	$ 26.1
Lessee, Operating Lease, Liability, to be Paid, Year Two	26.0
Lessee, Operating Lease, Liability, to be Paid, Year Three	21.9
Lessee, Operating Lease, Liability, to be Paid, Year Four	13.1
Lessee, Operating Lease, Liability, to be Paid, Year Five	8.0
Lessee, Operating Lease, Liability, to be Paid, after Year Five	16.9
Total Lease Payments	112.0
Less: Interest	10.7
Present value of lease liabilities	$ 101.3	$ 89.0