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LONG-TERM OBLIGATIONS - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 26 Months Ended 34 Months Ended 60 Months Ended
Mar. 10, 2023
Jan. 01, 2023
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Jul. 30, 2026
Jul. 30, 2026
Dec. 31, 2022
Jul. 30, 2021
Debt Instrument [Line Items]                      
Consolidated leverage ratio     2.5   2.5   2.5        
Consolidated interest coverage ratio     5.5   5.5   5.5        
Principal amount     $ 405.0   $ 405.0   $ 405.0     $ 438.4  
Reclassification Of Operating Lease To Finance Lease   $ 15.0                  
Term Loan [Member] | Four Hundred Fifty Million Term Loan Facility                      
Debt Instrument [Line Items]                      
Debt instrument, face amount     $ 450.0   $ 450.0   450.0        
Weighted average interest rate (percent)     7.10% 3.80% 6.60% 2.60%          
Maturity Date         Jul. 30, 2026            
Principal amount     $ 377.5   $ 377.5   377.5     435.9  
Revolving Credit Facility [Member] | Five Hundred Fifty Million Revolving Credit Facility [Member]                      
Debt Instrument [Line Items]                      
Debt instrument, face amount     550.0   $ 550.0   550.0        
Weighted average interest rate (percent)       4.20%   3.20%          
Maturity Date         Jul. 30, 2026            
Remaining availability under revolving credit facility     517.4   $ 517.4   517.4        
Principal amount     0.0   0.0   0.0     0.0  
Line of Credit [Member] | Five Hundred Fifty Million Revolving Credit Facility [Member]                      
Debt Instrument [Line Items]                      
Outstanding letters of credit     32.6   32.6   $ 32.6        
Third Amended Credit Agreement                      
Debt Instrument [Line Items]                      
Additional interest rate above Federal Fund rate 0.50%                    
Additional interest rate above Term SOFR 1.00%                    
Percentage of consolidated revenue and adjusted EBITDA that guarantor wholly-owned subsidiaries represent 95.00%                    
Percentage of adjusted EBITDA that guarantor subsidiaries represent 70.00%                    
SOFR Adjustment 0.10%                    
Third Amended Credit Agreement | Four Hundred Fifty Million Term Loan Facility                      
Debt Instrument [Line Items]                      
Debt Instrument Periodic Payment Percentage             0.625%        
Promissory Notes [Member]                      
Debt Instrument [Line Items]                      
Principal amount     0.0   0.0   $ 0.0     0.2  
Finance leases [Member]                      
Debt Instrument [Line Items]                      
Principal amount     $ 27.5   $ 27.5   $ 27.5     $ 2.3  
Second Amended Credit Agreement                      
Debt Instrument [Line Items]                      
Credit facility, maximum borrowing capacity                     $ 1,000.0
Second Amended Credit Agreement | Five Hundred Fifty Million Revolving Credit Facility [Member]                      
Debt Instrument [Line Items]                      
Debt instrument, face amount                     550.0
Second Amended Credit Agreement | Four Hundred Fifty Million Term Loan Facility                      
Debt Instrument [Line Items]                      
Debt instrument, face amount                     $ 450.0
Base Rate [Member] | Third Amended Credit Agreement                      
Debt Instrument [Line Items]                      
Description of variable rate basis Fluctuating rate per annum equal to the highest of (a) the federal funds rate plus 0.50% per annum, (b) the prime rate of interest established by the Administrative Agent, and (c) the Term SOFR for an interest period of one month plus 1% per annum.                    
Base Rate [Member] | Third Amended Credit Agreement                      
Debt Instrument [Line Items]                      
Basis spread on variable rate         0.75%            
Term SOFR [Member] | Third Amended Credit Agreement                      
Debt Instrument [Line Items]                      
Description of variable rate basis Quoted rate per annum equal to the SOFR for an interest period of one or three months (as selected by us) plus the SOFR adjustment of 0.10%                    
Term SOFR [Member] | Term Loan [Member] | Four Hundred Fifty Million Term Loan Facility                      
Debt Instrument [Line Items]                      
Debt Instrument Interest Rate at Period End     7.20%   7.20%   7.20%        
Term SOFR [Member] | Third Amended Credit Agreement                      
Debt Instrument [Line Items]                      
Basis spread on variable rate         1.75%            
Minimum [Member] | Third Amended Credit Agreement                      
Debt Instrument [Line Items]                      
Proceeds Received From Loan Party Of Subsidiary $ 5.0                    
Minimum [Member] | Finance leases [Member]                      
Debt Instrument [Line Items]                      
Debt Instrument, Interest Rate, Stated Percentage     2.20%   2.20%   2.20%        
Maximum [Member] | Finance leases [Member]                      
Debt Instrument [Line Items]                      
Debt Instrument, Interest Rate, Stated Percentage     8.00%   8.00%   8.00%        
Subsequent Event | Third Amended Credit Agreement                      
Debt Instrument [Line Items]                      
Maturity Date                 Jul. 30, 2026    
Subsequent Event | Third Amended Credit Agreement | Four Hundred Fifty Million Term Loan Facility                      
Debt Instrument [Line Items]                      
Debt Instrument Periodic Payment Percentage               1.25%