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LONG-TERM DEBT AND CREDIT FACILITY - Schedule of Contractual Maturities (Details) - USD ($)
$ in Millions
 12 Months Ended
Sep. 23, 2020
Dec. 31, 2024
Dec. 31, 2023
Disclosure of maturity analysis for financial liabilities [line items]      
Unamortized deferred transaction costs   $ 77.8 $ 68.3
5.75% senior notes      
Disclosure of maturity analysis for financial liabilities [line items]      
Carrying amount   450.0 450.0
Bank borrowings, undiscounted cash flows   553.5  
Unamortized deferred transaction costs $ 7.5    
5.75% senior notes | Unamortized deferred transactions costs      
Disclosure of maturity analysis for financial liabilities [line items]      
Unamortized deferred transaction costs   3.6 4.5
5.75% senior notes | 1 yr      
Disclosure of maturity analysis for financial liabilities [line items]      
Bank borrowings, undiscounted cash flows   25.9  
5.75% senior notes | 2-3 yrs      
Disclosure of maturity analysis for financial liabilities [line items]      
Bank borrowings, undiscounted cash flows   51.8  
5.75% senior notes | 4-5 yrs      
Disclosure of maturity analysis for financial liabilities [line items]      
Bank borrowings, undiscounted cash flows   475.8  
Term Loan      
Disclosure of maturity analysis for financial liabilities [line items]      
Carrying amount   400.0 400.0
Bank borrowings, undiscounted cash flows   565.2  
Term Loan | Unamortized deferred transactions costs      
Disclosure of maturity analysis for financial liabilities [line items]      
Unamortized deferred transaction costs   3.7 8.2
Term Loan | 1 yr      
Disclosure of maturity analysis for financial liabilities [line items]      
Bank borrowings, undiscounted cash flows   49.2  
Term Loan | 2-3 yrs      
Disclosure of maturity analysis for financial liabilities [line items]      
Bank borrowings, undiscounted cash flows   97.7  
Term Loan | 4-5 yrs      
Disclosure of maturity analysis for financial liabilities [line items]      
Bank borrowings, undiscounted cash flows   418.3  
Equipment loans      
Disclosure of maturity analysis for financial liabilities [line items]      
Carrying amount   2.1  
Bank borrowings, undiscounted cash flows   2.1  
Equipment loans | Unamortized deferred transactions costs      
Disclosure of maturity analysis for financial liabilities [line items]      
Unamortized deferred transaction costs     $ 0.1
Equipment loans | 1 yr      
Disclosure of maturity analysis for financial liabilities [line items]      
Bank borrowings, undiscounted cash flows   1.0  
Equipment loans | 2-3 yrs      
Disclosure of maturity analysis for financial liabilities [line items]      
Bank borrowings, undiscounted cash flows   1.1  
Equipment loans | 4-5 yrs      
Disclosure of maturity analysis for financial liabilities [line items]      
Bank borrowings, undiscounted cash flows   $ 0.0