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LONG-TERM DEBT AND LINES OF CREDIT - Narrative (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2022
USD ($)
Mar. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
Debt Instrument [Line Items]      
Long-term debt $ 11,770,173    
Interest expense 89,300 $ 81,200  
Interest rate swap      
Debt Instrument [Line Items]      
Accumulated other comprehensive income (loss) related to interest rate (16,900)    
Senior notes and term loans      
Debt Instrument [Line Items]      
Unamortized debt issuance costs 57,600    
Senior notes      
Debt Instrument [Line Items]      
Unamortized discount 11,400   $ 11,700
Long-term debt 9,400,000    
Fair value of debt instrument 9,100,000    
Term loans      
Debt Instrument [Line Items]      
Unamortized debt issuance costs     60,700
Unsecured debt | Unsecured revolving credit facility      
Debt Instrument [Line Items]      
Unamortized debt issuance costs $ 9,000    
Unsecured debt | Unsecured term loan facility      
Debt Instrument [Line Items]      
Minimum leverage ratio 3.50    
Minimum interest coverage ratio 3.00    
Line of credit      
Debt Instrument [Line Items]      
Unamortized debt issuance costs     $ 9,900