Debt, Interest Income, Expense, and Other Finance Costs - Schedule of Debt (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Total debt	$ 798.8	$ 697.1
Less: Current maturities of long-term debt and finance leases	9.1	11.9
Long-term debt	789.6	685.2
Revolving Credit Facility
Debt Instrument [Line Items]
Borrowing capacity	1,650.0
Credit Facility (1)
Debt Instrument [Line Items]
Total debt	105.0	0.0
Term loan (1)
Debt Instrument [Line Items]
Total debt	344.4	346.5
Convertible Notes (2)
Debt Instrument [Line Items]
Total debt	344.0	343.4
Debt Instrument, Face Amount	350.0	350.0
Debt Instrument, Fair Value Disclosure	368.4	378.3
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	6.0	6.6
Finance leases
Debt Instrument [Line Items]
Total debt	2.7	4.4
Other
Debt Instrument [Line Items]
Total debt	$ 2.8	$ 2.8
Convertible Senior Notes Due 2028 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.25%

Face (par) amount of debt instrument at time of issuance.

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