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Debt - Schedule of Debt (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Debt Instrument [Line Items]    
Long-term debt, gross $ 207.0 $ 209.2
Less: unamortized debt issuance costs for Term Loan and Series notes 0.2 0.3
Total debt 206.8 208.9
Less: current portion of long-term debt 134.0 2.2
Long-term debt, net $ 72.8 206.7
Term Loan, due December 31, 2024 (6.32%)    
Debt Instrument [Line Items]    
Debt instrument, stated interest rate (as a percent) 6.32%  
Long-term debt, gross $ 81.0 83.2
Less: current portion of long-term debt $ 81.0  
Series B notes, due July 5, 2024 (3.82%)    
Debt Instrument [Line Items]    
Debt instrument, stated interest rate (as a percent) 3.82%  
Long-term debt, gross $ 53.0 53.0
Series C notes, due July 5, 2027 (4.02%)    
Debt Instrument [Line Items]    
Debt instrument, stated interest rate (as a percent) 4.02%  
Long-term debt, gross $ 73.0 $ 73.0