v3.26.1
DEBT - 2026 Notes (Details)
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
Apr. 08, 2025
USD ($)
Nov. 30, 2025
USD ($)
day
Dec. 31, 2021
USD ($)
day
Dec. 31, 2025
USD ($)
Mar. 31, 2026
USD ($)
$ / shares
Debt Instrument [Line Items]          
Principal amount       $ 2,279.3 $ 2,279.3
Gain (loss) on extinguishment of debt       121.8  
2026 Notes          
Debt Instrument [Line Items]          
Principal amount       204.3 $ 204.3
2026 Notes | Redemption Option One          
Debt Instrument [Line Items]          
Debt instrument, convertible, threshold percentage of stock price (percent)     130.00%    
Debt instrument, convertible, threshold trading days | day     20    
Debt instrument, convertible, threshold consecutive trading days | day     30    
2026 Notes | Redemption Option Two          
Debt Instrument [Line Items]          
Debt instrument, convertible, threshold percentage of stock price (percent)     98.00%    
Debt instrument, convertible, threshold consecutive trading days | day     10    
Debt instrument, convertible, redemption period, number of consecutive business days | day     5    
2026 Notes | Convertible Debt          
Debt Instrument [Line Items]          
Principal amount     $ 2,012.5    
Interest rate     1.25%    
Debt instrument, issuance price percentage     99.50%    
Proceeds from convertible debt     $ 1,986.6    
Debt instrument, convertible, conversion ratio     0.0018255    
Debt instrument, initial conversion price (in dollars per share) | $ / shares         $ 547.80
Debt instrument, convertible, threshold percentage of stock price (percent)     130.00%    
Debt instrument, convertible, threshold trading days | day     20    
Debt instrument, redemption price, percentage of principal amount redeemed     100.00%    
Debt instrument, repurchased face amount $ 1,052.5 $ 755.7      
Proceeds from convertible debt used for repurchase 931.4        
Gain (loss) on extinguishment of debt 116.4 5.4      
Outstanding amounts $ 960.0 $ 204.3      
2031 Notes          
Debt Instrument [Line Items]          
Principal amount       975.0 $ 975.0
Outstanding amounts       $ 962.4 $ 962.8
2031 Notes | Redemption Option One          
Debt Instrument [Line Items]          
Debt instrument, convertible, threshold percentage of stock price (percent)   130.00%      
Debt instrument, convertible, threshold trading days | day   20      
Debt instrument, convertible, threshold consecutive trading days | day   30      
2031 Notes | Redemption Option Two          
Debt Instrument [Line Items]          
Debt instrument, convertible, threshold percentage of stock price (percent)   98.00%      
Debt instrument, convertible, threshold consecutive trading days | day   10      
Debt instrument, convertible, redemption period, number of consecutive business days | day   5      
2031 Notes | Convertible Debt          
Debt Instrument [Line Items]          
Principal amount   $ 975.0      
Interest rate   7.00%      
Debt instrument, issuance price percentage   100.00%      
Proceeds from convertible debt   $ 962.2      
Debt instrument, convertible, conversion ratio   0.0480475      
Debt instrument, initial conversion price (in dollars per share) | $ / shares         $ 20.81
Debt instrument, convertible, threshold percentage of stock price (percent)   130.00%      
Debt instrument, redemption price, percentage of principal amount redeemed   100.00%      
Proceeds from convertible debt used for repurchase   $ 748.2