Convertible Senior Notes - Carrying Amounts and Fair Values of Convertible Notes (Details) - Convertible Debt $ in Thousands	Apr. 30, 2025 USD ($)
Convertible Senior Notes Due 2027
Debt Instrument [Line Items]
Principal	$ 1,150,000
Unamortized Debt Issuance Costs	12,596
Net Carrying Value	1,137,404
Convertible Senior Notes Due 2027 | Level 2
Debt Instrument [Line Items]
Fair Value	1,408,141
Convertible Senior Notes Due 2029
Debt Instrument [Line Items]
Principal	1,150,000
Unamortized Debt Issuance Costs	13,804
Net Carrying Value	1,136,196
Convertible Senior Notes Due 2029 | Level 2
Debt Instrument [Line Items]
Fair Value	$ 1,428,082