Leases - Lease Cost and Cash Flows (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Lease costs:
Operating lease costs	$ 13.5	$ 11.8	$ 11.9
Short-term and variable lease costs	0.7	0.6	0.5
Cash flows:
Operating cash flows from operating leases	$ 13.5	$ 11.6	$ 11.7
Weighted average remaining lease term (in years)	6 years 2 months 12 days	6 years
Weighted average discount rate	4.50%	4.10%