Leases, Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Leases [Abstract]
Operating Lease Cost	$ 17.8	$ 17.3	$ 16.4
Sublease Income	2.3	1.7	1.5
Total Lease Cost	15.5	15.6	14.9
Cash Paid for Amounts Included in the Measurement of Lease Liabilities	$ 19.9	$ 20.7	$ 20.3
Weighted-Average Remaining Lease Term	5 years	5 years	5 years
Weighted-Average Discount Rate	5.14%	5.19%	4.85%