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LONG-TERM DEBT - Narrative (Detail)
9 Months Ended
Sep. 30, 2021
USD ($)
Dec. 31, 2020
USD ($)
Credit Agreement Amended Sept 2021 | Line of credit    
Debt Instrument [Line Items]    
Issuance cost $ 4,100,000  
Amortization of debt issuance costs $ 200,000  
Interest coverage ratio 3.00  
Leverage ratio 3.40  
Facility fee 0.20%  
Credit Agreement Amended Sept 2021 | Line of credit | Quarters ending before Sept 30, 2022    
Debt Instrument [Line Items]    
Maximum consolidated leverage ratio 425.00%  
Credit Agreement Amended Sept 2021 | Line of credit | Quarters ending after Sept 30, 2022    
Debt Instrument [Line Items]    
Maximum consolidated leverage ratio 400.00%  
Material acquisition threshold $ 200,000,000  
Credit Agreement Amended Sept 2021 | Line of credit | Quarters with Material Acquisition    
Debt Instrument [Line Items]    
Maximum consolidated leverage ratio 450.00%  
Credit Agreement Amended Sept 2021 | Base Rate | Line of credit    
Debt Instrument [Line Items]    
Applicable rate based on variable rate 0.30%  
Credit Agreement Amended Sept 2021 | Eurodollar | Line of credit    
Debt Instrument [Line Items]    
Applicable rate based on variable rate 1.30%  
Credit Agreement Amended Sept 2021 | $200 million Term Loan, due in 2026 | Line of credit    
Debt Instrument [Line Items]    
Maximum borrowing capacity of line of credit facility $ 200,000,000  
Credit Agreement Amended Sept 2021 | $1.2 billion Credit Facility, due in 2026 | Line of credit    
Debt Instrument [Line Items]    
Maximum borrowing capacity of line of credit facility 1,200,000,000  
Existing credit agreement | Line of credit    
Debt Instrument [Line Items]    
Amortization of debt issuance costs 500,000  
Level 2    
Debt Instrument [Line Items]    
Estimated fair value of debt $ 1,670,000,000 $ 1,860,000,000