Lease Arrangements - Schedule of Lease Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Finance lease expense
Amortization of right-of-use assets	$ 1.9	$ 2.9	$ 1.7
Interest on lease liabilities	0.9	0.9	1.0
Operating lease expense	15.1	15.5	14.8
Other lease expense	10.4	7.6	9.6
Total lease expense	$ 28.3	$ 26.9	$ 27.1