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Debt - Narrative (Details) - USD ($)
1 Months Ended 9 Months Ended
Sep. 15, 2023
Jan. 31, 2021
Sep. 30, 2018
Oct. 31, 2023
Oct. 31, 2022
May 31, 2023
Apr. 30, 2023
Debt Conversion [Line Items]              
Repayments of convertible senior notes       $ 37,083,000 $ 16,000    
Convertible Senior Notes Due 2023 | Convertible Debt              
Debt Conversion [Line Items]              
Principal on face amount of debt     $ 575,000,000        
Debt interest rate percentage     0.50%        
Proceeds from issuance of debt     $ 560,800,000        
Repayments of convertible senior notes $ 37,100,000            
Debt instrument, effective interest rate   1.00%          
Convertible Senior Notes Due 2023 | Convertible Debt | Capped Calls              
Debt Conversion [Line Items]              
Settlement of capped calls, net of related costs             $ 23,700,000
Convertible Senior Notes Due 2024 | Capped Calls              
Debt Conversion [Line Items]              
Initial cap price (in usd per share)       $ 525.30      
Convertible Senior Notes Due 2024 | Convertible Debt              
Debt Conversion [Line Items]              
Principal on face amount of debt   $ 690,000,000          
Debt interest rate percentage   0.00%          
Proceeds from issuance of debt   $ 677,300,000          
Debt instrument, effective interest rate   0.60%          
Convertible Senior Notes Due 2024 | Convertible Debt | Capped Calls              
Debt Conversion [Line Items]              
Initial cap price (in usd per share)       $ 525.30      
Credit Facility | Revolving Credit Facility              
Debt Conversion [Line Items]              
Line of credit, maximum borrowing capacity           $ 500,000,000  
Line of credit, additional borrowing amount           $ 250,000,000  
Carrying value of debt       $ 0      
Credit Facility | Revolving Credit Facility | Minimum              
Debt Conversion [Line Items]              
Line of credit, commitment fee percentage on undrawn balance       0.25%      
Credit Facility | Revolving Credit Facility | Maximum              
Debt Conversion [Line Items]              
Line of credit, commitment fee percentage on undrawn balance       0.30%