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Debt and Financing Arrangements | 3 Months Ended
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Apr. 30, 2026
Debt Disclosure [Abstract] |
Debt and Financing Arrangements | Debt and Financing Arrangements 2025 Convertible Senior Notes In June 2020, the Company issued an aggregate principal amount of $287.5 million of convertible senior notes due in 2025 (the “2025 Notes”) in a private offering pursuant to an indenture dated June 25, 2020 (the “2025 Indenture”). During the year ended January 31, 2026, the Company repaid the 2025 Notes in cash prior to the maturity date of July 1, 2025, which included aggregate principal amount of $57.5 million and accrued interest of $0.4 million. 2028 Convertible Senior Notes In October 2023, the Company issued an aggregate principal amount of $402.5 million of convertible senior notes due in 2028 in a private offering pursuant to an indenture dated October 13, 2023 (the “2028 Indenture” and, together with the 2025 Indenture, the “Indentures”). The total net proceeds from the debt offering, after deducting initial purchasers’ discounts and debt issuance costs of $12.0 million, were $390.4 million. The 2028 Notes are senior, unsecured obligations of the Company and accrue interest payable semiannually in arrears on April 15 and October 15 of each year, beginning on April 15, 2024, at a rate of 1.50% per year. The 2028 Notes will mature on October 15, 2028, unless such notes are converted, redeemed or repurchased earlier. Upon conversion, the Company will pay cash up to the aggregate principal amount of the 2028 Notes to be converted and pay or deliver, as the case may be, cash, shares of common stock or a combination of cash and shares of common stock, at the Company’s election, in respect to the remainder, if any, of the Company’s conversion obligation in excess of the aggregate principal amount of the 2028 Notes being converted, in the manner and subject to the terms and conditions provided in the 2028 Indenture. Accounting for the 2025 Notes and the 2028 Notes The 2028 Notes are, and the 2025 Notes, prior to their repayment were, accounted for as a single liability measured at their amortized cost, as no other embedded features require bifurcation and recognition as derivatives. As of April 30, 2026, the 2028 Notes are classified as non-current liabilities. Issuance costs are amortized to interest expense over the contractual term of the 2028 Notes at an effective interest rate of 2.13%. The net carrying amount of the 2028 Notes was as follows as of the dates indicated (in thousands):
| As of April 30, 2026 |  | As of January 31, 2026
Principal | $ | 402,500 |  |  | $ | 402,500 |
Unamortized issuance costs | (6,173) |  |  | (6,771) |
Net carrying amount | $ | 396,327 |  |  | $ | 395,729 |
Interest expense recognized related to the 2028 Notes and the 2025 Notes was as follows for the periods indicated (in thousands):
| Three months ended April 30, |  |
| 2026 |  | 2025 |  |  |  |
Contractual interest expense | $ | 1,512 |  |  | $ | 1,687 |  |  |  |  |
Amortization of debt issuance costs | 595 |  |  | 677 |  |  |  |  |
Total interest expense related to the 2025 Notes and the 2028 Notes | $ | 2,107 |  |  | $ | 2,364 |  |  |  |  |
Capped Call Transactions In connection with the offering of the 2028 Notes, the Company entered into separate privately negotiated capped call transactions (the “2028 Capped Calls”). The 2028 Capped Calls are generally intended to reduce or offset the potential dilution to the common stock upon any conversion of the 2028 Notes, subject to a cap based on the cap price of such 2028 Capped Calls. For accounting purposes, the 2028 Capped Calls are separate transactions, and not part of the terms of the 2028 Notes. The 2028 Capped Calls are recorded in stockholders’ equity and are not accounted for as derivatives. The costs incurred to purchase the 2028 Capped Calls of $55.1 million, were recorded as a reduction to additional paid-in capital in the accompanying condensed consolidated balance sheets. The 2028 Capped Calls will not be remeasured as long as they continue to meet the conditions for equity classification. During the year ended January 31, 2026, the capped call transactions with certain financial institution counterparties, entered into and in connection with the repayment of the 2025 Notes, expired. The 2028 Capped Calls each have an initial strike price of approximately $27.35 per share, subject to certain adjustments, which corresponds to the initial conversion price of the 2028 Notes, and an initial cap price of $42.90 per share, subject to certain adjustments. The 2028 Capped Calls cover, subject to anti-dilution adjustments, approximately 14.7 million shares of the Company’s common stock. The 2028 Capped Calls are subject to automatic exercise over a 60 trading day period commencing on July 20, 2028, subject to earlier termination under certain circumstances and may be settled in cash, shares of common stock or a combination of cash and shares of common stock, at the Company’s election. The 2028 Capped Calls remain outstanding as of April 30, 2026.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-8A Reference 2: http://www.xbrl.org/2003/role/disclosureRef 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