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DEBT AND CREDIT FACILITIES - Schedule of the Notes (Details) - Senior Notes - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Debt Instrument [Line Items]    
Unamortized discount $ (0.7) $ (0.9)
Unamortized debt issuance costs (2.3) (2.8)
Total carrying amount $ 597.0 596.3
Fixed-rate 4.3% Notes    
Debt Instrument [Line Items]    
Fixed interest rate 4.30%  
Amount $ 600.0 $ 600.0
Effective Interest Rate 4.329% 4.329%