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Long-Term Debt - Components (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Aug. 31, 2023
Nov. 22, 2019
Debt Instrument [Line Items]        
Senior Notes $ 550.0 $ 550.0   $ 550.0
Long-term Debt, Gross 1,043.8 1,048.8    
Unamortized Debt Issuance Expense (5.3) (7.2)    
Long-term Debt 1,033.5 1,036.6    
Long-Term Line of Credit 0.0 0.0    
Long-Term Debt, Maturities, Repayments of Principal in Next Rolling 12 Months (5.0) $ (5.0)    
$500 Million Revolving Credit Facility, Due February 2028        
Debt Instrument [Line Items]        
Long-Term Line of Credit     $ 500.0  
Term Loan B Facility        
Debt Instrument [Line Items]        
Secured Debt $ 493.8