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Debt and Credit Facility - Summary of Senior Notes (Details) - Senior Notes - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Debt Instrument [Line Items]    
Total debt $ 1,050.0 $ 1,050.0
Unamortized issuance costs (9.7) (10.2)
Total carrying amount $ 1,040.3 1,039.8
4.50% Senior Notes    
Debt Instrument [Line Items]    
Issuance Date May 21, 2021  
Debt Instrument, Maturity Date Jun. 30, 2031  
Effective interest rate (percent) 4.70%  
Total debt $ 550.0 550.0
4.625% Senior Notes    
Debt Instrument [Line Items]    
Issuance Date Nov. 30, 2019  
Debt Instrument, Maturity Date Mar. 31, 2028  
Effective interest rate (percent) 4.80%  
Total debt $ 500.0 $ 500.0