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Debt (Tables) | 9 Months Ended
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Oct. 31, 2023
Debt Disclosure [Abstract] |
Schedule of Carrying Value of Liability Component | The net carrying amounts of the Notes were as follows:
(in thousands) | October 31, 2023 |  | January 31, 2023
2023 Notes: |  |  |
Principal | $ | — |  |  | $ | 37,083 |
Less: unamortized transaction costs | — |  |  | (118) |
Net carrying value of liability component | $ | — |  |  | $ | 36,965 |
2024 Notes: |  |  |
Principal | $ | 690,000 |  |  | $ | 690,000 |
Less: unamortized transaction costs | (889) |  |  | (4,078) |
Net carrying value of liability component | $ | 689,111 |  |  | $ | 685,922 |
Interest expense recognized related to the Notes was as follows:
| Three Months Ended October 31, |  | Nine Months Ended October 31,
(in thousands) | 2023 |  | 2022 |  | 2023 |  | 2022
Contractual interest expense | $ | 22 |  |  | $ | 46 |  |  | $ | 425 |  |  | $ | 139 |
Amortization of transaction costs | 1,089 |  |  | 1,105 |  |  | 3,308 |  |  | 3,309 |
Total | $ | 1,111 |  |  | $ | 1,151 |  |  | $ | 3,733 |  |  | $ | 3,448 |
Schedule of Capped Calls | The material terms of the capped call transactions were as follows:
(in thousands, except per share amounts) |  |  | 2024 Notes
Aggregate cost of capped calls |  |  | $ | 31,395 |
Initial strike price per share (1) |  |  | $ | 420.24 |
Initial cap price per share (1) |  |  | $ | 525.30 |
Shares of our common stock covered by the capped calls (1) |  |  | 1,642 |
(1) Subject to adjustments for certain events, such as merger events and tender offers, and anti-dilution adjustments

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- Definition Tabular disclosure of the freestanding option contracts issued by an entity that are indexed to, and potentially settled in, an entity's own stock. Includes disclosure on the strike price and the number of shares to which the contract is indexed, the settlement date or dates of the contract, and the issuer's accounting for the contract. If the terms of the contract provide settlement alternatives, those settlement alternatives are disclosed, including who controls the settlement alternatives, and the maximum number of shares that could be required to be issued, to net share settle the contract, if applicable. If a contract does not have a fixed or determinable maximum number of shares that could be required to be issued, the fact that a potentially infinite number of shares that may be required to be issued to settle the contract is disclosed. Disclosure also includes the contract's current fair value for each settlement alternative and how changes in the price of the issuer's equity instruments affect those settlement amounts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480237/815-40-50-3 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480237/815-40-50-4 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480237/815-40-50-5 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section 55 -Paragraph 63 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481620/480-10-55-63 + Details
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