Convertible Senior Notes - Carrying Amounts and Fair Values of Convertible Notes (Details) - Convertible Debt $ in Thousands	Jul. 31, 2025 USD ($)
Convertible Senior Notes Due 2027
Debt Instrument [Line Items]
Principal	$ 1,150,000
Unamortized Debt Issuance Costs	11,299
Net Carrying Value	1,138,701
Convertible Senior Notes Due 2027 \| Level 2
Debt Instrument [Line Items]
Fair Value	1,742,262
Convertible Senior Notes Due 2029
Debt Instrument [Line Items]
Principal	1,150,000
Unamortized Debt Issuance Costs	13,027
Net Carrying Value	1,136,973
Convertible Senior Notes Due 2029 \| Level 2
Debt Instrument [Line Items]
Fair Value	$ 1,779,694

Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

+ References

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