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Convertible Debt (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
1 Months Ended 3 Months Ended
Apr. 30, 2021
Dec. 31, 2019
Mar. 31, 2023
Dec. 31, 2022
Mar. 31, 2022
0% Notes [Member]          
Convertible Debt [Abstract]          
Face amount of offering $ 632.5        
Outstanding principal balance     $ 632.5    
Unamortized debt issuance costs     $ 9.5    
Maturity date     Apr. 30, 2026    
Interest rate     0.00% 0.00% 0.00%
Effective interest rate     0.50%    
Conversion price per share (in dollars per share)     $ 57.84    
Effective conversion price per share with call spread (in dollars per share)     $ 76.39    
Total shares of common stock subject to conversion (in shares)     10.9    
Cost of call spread 46.9        
Purchase of note hedges 136.7        
Proceeds from issuance of warrants 89.8        
Percentage of principal amount used as purchase price upon occurrence of fundamental change     100.00%    
1% Notes [Member]          
Convertible Debt [Abstract]          
Principal amount repurchased 247.9        
Repurchase of convertible notes $ 257.0        
Interest rate     1.00%    
0.125% Notes [Member]          
Convertible Debt [Abstract]          
Outstanding principal balance     $ 548.8    
Unamortized debt issuance costs     $ 3.8    
Maturity date     Dec. 31, 2024    
Interest rate     0.125% 0.125% 0.125%
Effective interest rate     0.50%    
Conversion price per share (in dollars per share)     $ 83.28    
Effective conversion price per share with call spread (in dollars per share)     $ 123.38    
Total shares of common stock subject to conversion (in shares)     6.6    
Cost of call spread   $ 52.6      
Purchase of note hedges   108.7      
Proceeds from issuance of warrants   $ 56.1      
Percentage of principal amount used as purchase price upon occurrence of fundamental change     100.00%