v3.26.1
Debt - Additional Information (Details)
12 Months Ended
Sep. 05, 2025
USD ($)
day
$ / shares
Apr. 15, 2025
USD ($)
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Apr. 14, 2025
USD ($)
Line of Credit Facility [Line Items]            
Threshold days prior to the maturity date for redemption | day 41          
Amortization of debt issuance costs     $ 2,808,000 $ 115,000 $ 115,000  
Deferred tax asset for capped call $ 23,543,000   20,979,000 0    
Interest paid     665,000 253,000 253,000  
Call Option            
Line of Credit Facility [Line Items]            
Strike price (in dollars per share) | $ / shares $ 236.88          
Initial cap price (in dollars per share) | $ / shares $ 357.56          
Convertible Senior Notes Due 2030 | Convertible Debt            
Line of Credit Facility [Line Items]            
Principal amount issued $ 900,000,000          
Maximum face amount for over-allotment option $ 115,000,000          
Maximum special and additional interest percentage 0.50%          
Proceeds from issuance of debt, net of issuance costs $ 878,447,000          
Conversion ratio 0.0042215          
Conversion price (in dollars per share) | $ / shares $ 236.88          
Threshold of convertible notes outstanding for partial redemption $ 100,000          
Amortization of debt issuance costs     $ 2,416,000      
Effective interest rate percentage     0.48%      
Unamortized debt issuance costs     $ 19,137,000      
Convertible Senior Notes Due 2030 | Convertible Debt | Debt Conversion Terms One            
Line of Credit Facility [Line Items]            
Threshold percentage of stock price trigger 130.00%          
Threshold trading days | day 20          
Threshold consecutive trading days | day 30          
Convertible Senior Notes Due 2030 | Convertible Debt | Debt Conversion Terms Two            
Line of Credit Facility [Line Items]            
Threshold percentage of stock price trigger 98.00%          
Threshold trading days | day 5          
Threshold consecutive trading days | day 10          
Senior Secured Revolving Credit Facility | Revolving credit facility            
Line of Credit Facility [Line Items]            
Amortization of debt issuance costs     392,000 115,000 $ 115,000  
Borrowing capacity   $ 300,000,000       $ 100,000,000
Debt term   5 years        
Borrowings under the credit facility     0      
Unamortized debt issuance costs     $ 1,652,000 $ 198,000    
Senior Secured Revolving Credit Facility | Revolving credit facility | Minimum            
Line of Credit Facility [Line Items]            
Annual unused commitment fee rate   0.25%        
Senior Secured Revolving Credit Facility | Revolving credit facility | Minimum | SOFR            
Line of Credit Facility [Line Items]            
Basis spread on variable rate   1.50%        
Senior Secured Revolving Credit Facility | Revolving credit facility | Minimum | Prime Rate            
Line of Credit Facility [Line Items]            
Basis spread on variable rate   0.50%        
Senior Secured Revolving Credit Facility | Revolving credit facility | Maximum            
Line of Credit Facility [Line Items]            
Annual unused commitment fee rate   0.35%        
Senior Secured Revolving Credit Facility | Revolving credit facility | Maximum | SOFR            
Line of Credit Facility [Line Items]            
Basis spread on variable rate   2.00%        
Senior Secured Revolving Credit Facility | Revolving credit facility | Maximum | Prime Rate            
Line of Credit Facility [Line Items]            
Basis spread on variable rate   1.00%