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FINANCIAL INSTRUMENTS AND RISK MANAGEMENT - Narrative (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 1 Months Ended 12 Months Ended 25 Months Ended
Feb. 29, 2024
Sep. 30, 2023
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2024
Jan. 31, 2024
Line of Credit Facility [Line Items]              
Accrued payroll and benefits     $ 240.5 $ 207.4   $ 240.5  
Proceeds from derivative instrument, partial termination     $ 32.3 $ 5.0 $ 0.0    
Gross account receivable, percent past due     1.00% 1.00%   1.00%  
Interest rate swaps              
Line of Credit Facility [Line Items]              
Derivative instrument, effect of 25 basis point increase in interest rates, increase unrealized gains     $ 0.8        
Derivative instrument, effect of 25 basis point decrease in interest rates, decrease in unrealized gains     0.8        
Interest rate swaps | Designated as Hedging Instrument | Cash Flow Hedging              
Line of Credit Facility [Line Items]              
Notional amount     330.0 $ 0.0   $ 330.0  
Interest rate swaps | Not Designated as Hedging Instrument, Economic Hedge              
Line of Credit Facility [Line Items]              
Notional amount     0.0 330.0   0.0  
Interest rate swaps | Initial Term Loan | Designated as Hedging Instrument              
Line of Credit Facility [Line Items]              
Notional amount     100.0     100.0  
Interest rate swaps | Incremental Term Loan | Designated as Hedging Instrument              
Line of Credit Facility [Line Items]              
Derivative, terminated amount             $ 50.0
Interest rate swaps | Incremental Term Loan | Designated as Hedging Instrument | Additional Incremental Swaps              
Line of Credit Facility [Line Items]              
Derivative, amount of hedged item     130.0     130.0  
Interest rate swaps | Term Loans              
Line of Credit Facility [Line Items]              
Derivative, amount of hedged item     $ 330.0     $ 330.0  
TRS              
Line of Credit Facility [Line Items]              
Derivative notional amount (in shares) 1,250       3,000    
Weighted average price per share (in USD per share)           $ 12.73  
Derivative instrument, annual extensions period     1 year        
Derivative instrument, decrease in nonmonetary notional amount (in shares) 1,250 500          
Proceeds from derivative instrument, partial termination $ 32.3 $ 5.0          
Foreign exchange forwards | Designated as Hedging Instrument | Cash Flow Hedging              
Line of Credit Facility [Line Items]              
Notional amount     $ 497.2 0.0   $ 497.2  
Foreign exchange forwards | Not Designated as Hedging Instrument, Economic Hedge              
Line of Credit Facility [Line Items]              
Notional amount     250.8 700.4   250.8  
Line of Credit              
Line of Credit Facility [Line Items]              
Borrowings     741.2 608.9   741.2  
Secured Debt | Line of Credit              
Line of Credit Facility [Line Items]              
Borrowings     741.2     741.2  
Effect of one-percentage-point increase in interest rate, increase in interest expense     7.4        
Long-term debt, unhedged amount     411.2 278.9   411.2  
Secured Debt | Line of Credit | Initial Term Loan              
Line of Credit Facility [Line Items]              
Borrowings     0.0 280.4   0.0  
Long-term debt, unhedged amount     297.5 180.4   297.5  
Secured Debt | Line of Credit | Incremental Term Loan              
Line of Credit Facility [Line Items]              
Borrowings     0.0 328.5   0.0  
Long-term debt, unhedged amount     113.7 98.5   113.7  
Secured Debt | Line of Credit | Interest rate swaps              
Line of Credit Facility [Line Items]              
Effect of one-percentage-point increase in interest rate, increase in interest expense     4.1        
Notional amount     330.0 330.0   330.0  
Secured Debt | Line of Credit | Interest rate swaps | Initial Term Loan              
Line of Credit Facility [Line Items]              
Notional amount     0.0 100.0   0.0  
Secured Debt | Line of Credit | Interest rate swaps | Incremental Term Loan              
Line of Credit Facility [Line Items]              
Notional amount     0.0 230.0   0.0  
Revolving Facility | Line of Credit              
Line of Credit Facility [Line Items]              
Borrowings     0.0 0.0   0.0  
Long-term debt, unhedged amount     0.0 0.0   0.0  
Revolving Facility | Line of Credit | Interest rate swaps              
Line of Credit Facility [Line Items]              
Notional amount     $ 0.0 $ 0.0   $ 0.0