Debt and Credit Facilities - Summary of Debt (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2026	Dec. 31, 2025
Debt Instrument
Current maturities	$ (8.5)	$ (8.6)
Debt issuance costs, net	(0.4)	(0.5)
Long-term debt	383.6	388.4
Total debt and credit facilities	$ 392.5	$ 397.5
Unsecured Senior Notes
Debt Instrument
Frequency of payments	semiannual
Weighted-average interest rate	5.63%	6.95%
Total principal outstanding	$ 50.0	$ 50.0
Unsecured Senior Notes \| Minimum
Debt Instrument
Maturity year	2028
Credit Facility
Debt Instrument
Total principal outstanding	$ 0.0	0.0
Receivables Purchase Agreement
Debt Instrument
Total principal outstanding	0.0	0.0
Delayed Term Loan Facilities
Debt Instrument
Total principal outstanding	$ 342.5	$ 347.5
Debt, Weighted Average Interest Rate	5.02%	5.38%

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Weighted average interest rate of debt outstanding.

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