v3.26.1
Debt - Convertible Debt (Details)
2 Months Ended 12 Months Ended
May 31, 2024
USD ($)
$ / shares
Mar. 31, 2026
USD ($)
$ / shares
Mar. 31, 2026
USD ($)
$ / shares
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Feb. 28, 2026
USD ($)
Debt Instrument [Line Items]            
Principal amount per note   $ 1,000 $ 1,000      
Debt issuance costs, net   $ 31,200,000 31,200,000 $ 19,500,000    
Capped options indexed to equity, costs     $ 68,000,000.0 160,100,000 $ 0  
Senior convertible debt | 2017 Senior Convertible Debt            
Debt Instrument [Line Items]            
Conversion Rate     23.5081      
Approximate Conversion Price (in dollars per share) | $ / shares   $ 42.54 $ 42.54      
Incremental Share Factor     11.7550      
Maximum Conversion Rate     33.4991      
Debt issuance costs, net   $ 0 $ 0 100,000    
Senior convertible debt | 2024 Senior Convertible Debt            
Debt Instrument [Line Items]            
Conversion Rate     8.2102      
Approximate Conversion Price (in dollars per share) | $ / shares   $ 121.80 $ 121.80      
Incremental Share Factor     0      
Maximum Conversion Rate     10.4679      
Principal amount per note $ 1,250,000,000          
Debt issuance costs, net 16,500,000 $ 11,400,000 $ 11,400,000 14,000,000.0    
Capped options indexed to equity, costs $ 105,000,000.0          
Senior convertible debt | 2024 Senior Convertible Debt | Maximum            
Debt Instrument [Line Items]            
Option indexed to equity, strike price (in dollars per share) | $ / shares $ 167.23          
Senior convertible debt | 2026 Senior Convertible Debt            
Debt Instrument [Line Items]            
Conversion Rate   9.5993        
Approximate Conversion Price (in dollars per share) | $ / shares   $ 104.17 $ 104.17      
Incremental Share Factor   0        
Maximum Conversion Rate   13.4390        
Principal amount per note           $ 900,000,000.0
Debt issuance costs, net   $ 16,100,000 $ 16,100,000 $ 0   $ 16,600,000
Capped options indexed to equity, costs $ 68,000,000.0          
Senior convertible debt | 2026 Senior Convertible Debt | Maximum            
Debt Instrument [Line Items]            
Option indexed to equity, strike price (in dollars per share) | $ / shares $ 148.82