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CONVERTIBLE NOTES - Issuances and Settlements (Details) - USD ($)
shares in Millions
 1 Months Ended 12 Months Ended
Mar. 31, 2023
Feb. 29, 2020
Mar. 31, 2019
Jun. 30, 2018
Jan. 31, 2018
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Mar. 06, 2023
Mar. 01, 2023
Debt Instrument [Line Items]                    
Net proceeds from issuance           $ 137,976,000 $ 0 $ 0    
Loss on extinguishment of debt $ 17,700,000 $ 50,800,000       $ (10,324,000) $ 0 $ 0    
2025 Convertible notes                    
Debt Instrument [Line Items]                    
Stock issued in conversion of convertible notes (in shares)     2.2              
Value of stock after conversion of convertible notes     $ 182,400,000              
Repayments of convertible debt in cash and by issuance of shares     676,500,000              
Repayments of debt     493,400,000              
Accrued interest on notes     700,000              
Loss on extinguishment of debt 7,400,000   187,700,000              
2025 Convertible notes                    
Debt Instrument [Line Items]                    
Face amount       $ 218,500,000 $ 690,000,000          
Interest rate (as a percent)       1.00% 1.00% 1.00% 1.00%      
Net proceeds from issuance       $ 225,300,000 $ 671,100,000          
Repayments of convertible debt   150,100,000                
Accrued interest on notes   100,000                
Amount settled 65,800,000 100,000,000                
Debt Conversion, Converted Instrument, Potential Shares Issued           3.3        
2027 Convertible notes                    
Debt Instrument [Line Items]                    
Face amount     $ 747,500,000              
Interest rate (as a percent)     0.375%     0.375% 0.375%      
Net proceeds from issuance     $ 729,500,000              
Amount settled 183,700,000                  
Debt Conversion, Converted Instrument, Potential Shares Issued           5.0        
2027 Convertible notes | 2025 Convertible notes                    
Debt Instrument [Line Items]                    
Repayments of convertible debt     $ 494,100,000              
2028 Convertible notes                    
Debt Instrument [Line Items]                    
Face amount   $ 1,150,000,000                
Interest rate (as a percent)   0.375%       0.375% 0.375%      
Net proceeds from issuance   $ 1,130,000,000                
Amount settled 201,000,000                  
Debt Conversion, Converted Instrument, Potential Shares Issued           7.8        
Convertible Notes Payable2030                    
Debt Instrument [Line Items]                    
Face amount                   $ 500,000,000
Interest rate (as a percent)           2.00%        
Net proceeds from issuance 138,000,000                  
Proceeds from Debt, Net of Issuance Costs $ 133,000,000                  
Debt Conversion, Converted Instrument, Potential Shares Issued           7.1        
Convertible Notes Payable2030 | 2025 Convertible notes                    
Debt Instrument [Line Items]                    
Face amount                 $ 73,000,000