Debt - Long-term Debt (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Long-term debt, gross	$ 203.0	$ 203.0
Less: unamortized debt issuance costs for Term Loan and Series Notes	0.4	0.4
Total debt	202.6	202.6
Less: current portion of long-term debt	0.0	0.0
Long-term debt, net	$ 202.6	202.6
Term Loan, due July 2, 2027 (5.65%)
Debt Instrument [Line Items]
Debt instrument, stated interest rate	5.65%
Long-term debt, gross	$ 130.0	130.0
Series C notes, due July 5, 2027 (4.02%)
Debt Instrument [Line Items]
Debt instrument, stated interest rate	4.02%
Long-term debt, gross	$ 73.0	$ 73.0