Lease Commitments - Total Lease Costs (Net) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Leases [Abstract]
Operating lease costs	$ 33.6	$ 34.6	$ 36.4
Short-term lease costs	0.5	1.2	1.1
Variable lease costs	0.0	0.0	0.0
Sublease income	(5.9)	(6.6)	(6.5)
Total lease costs, net	$ 28.2	$ 29.2	$ 31.0