Leases, Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Leases [Abstract]
Operating Lease Cost	$ 17.3	$ 16.4	$ 19.6
Sublease Income	1.7	1.5	1.1
Total Lease Cost	15.6	14.9	18.5
Cash Paid for Amounts Included in the Measurement of Lease Liabilities	$ 20.7	$ 20.3	$ 23.1
Weighted-Average Remaining Lease Term	5 years	5 years	6 years
Weighted-Average Discount Rate	5.19%	4.85%	4.32%