Convertible Senior Notes - Carrying Amounts and Fair Values of Convertible Notes (Details) - Convertible Debt $ in Thousands	Oct. 31, 2024 USD ($)
Convertible Senior Notes Due 2027
Debt Instrument [Line Items]
Principal	$ 1,150,000
Unamortized Debt Issuance Costs	15,184
Net Carrying Value	1,134,816
Convertible Senior Notes Due 2027 | Level 2
Debt Instrument [Line Items]
Fair Value	1,181,510
Convertible Senior Notes Due 2029
Debt Instrument [Line Items]
Principal	1,150,000
Unamortized Debt Issuance Costs	15,357
Net Carrying Value	1,134,643
Convertible Senior Notes Due 2029 | Level 2
Debt Instrument [Line Items]
Fair Value	$ 1,170,206