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Fair Value Measurements | 12 Months Ended
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Mar. 31, 2025
Fair Value Disclosures [Abstract] |
Fair Value Measurements | Fair Value Measurements The following tables present the fair value hierarchy for the Company’s assets and liabilities measured at fair value on a recurring basis (in thousands):
| As of March 31, 2025
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash equivalents: |  |  |  |  |  |  |
Commercial paper | $ | — |  |  | $ | 73,047 |  |  | $ | — |  |  | $ | 73,047 |
Money market funds | 84,475 |  |  | — |  |  | — |  |  | 84,475 |
Total cash equivalents | 84,475 |  |  | 73,047 |  |  | — |  |  | 157,522 |
Marketable securities: |  |  |  |  |  |  |
Commercial paper | — |  |  | 42,863 |  |  | — |  |  | 42,863 |
Corporate notes and bonds | — |  |  | 502,444 |  |  | — |  |  | 502,444 |
U.S. government and agency securities | 157,727 |  |  | 3,016 |  |  | — |  |  | 160,743 |
Total marketable securities | 157,727 |  |  | 548,323 |  |  | — |  |  | 706,050 |
Total cash equivalents and marketable securities | $ | 242,202 |  |  | $ | 621,370 |  |  | $ | — |  |  | $ | 863,572 |
Liabilities: |  |  |  |  |  |  |
Contingent earn-out consideration liability | $ | — |  |  | $ | — |  |  | $ | 11,493 |  |  | $ | 11,493 |
Total contingent earn-out consideration liability | $ | — |  |  | $ | — |  |  | $ | 11,493 |  |  | $ | 11,493 |
| As of March 31, 2024
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Cash equivalents: |  |  |  |  |  |  |
Corporate notes and bonds | $ | — |  |  | $ | 1,180 |  |  | $ | — |  |  | $ | 1,180 |
Money market funds | 83,049 |  |  | — |  |  | — |  |  | 83,049 |
Total cash equivalents | 83,049 |  |  | 1,180 |  |  | — |  |  | 84,229 |
Marketable securities: |  |  |  |  |  |  |
Asset-backed securities | — |  |  | 121 |  |  | — |  |  | 121 |
Commercial paper | — |  |  | 70,755 |  |  | — |  |  | 70,755 |
Corporate notes and bonds | — |  |  | 225,822 |  |  | — |  |  | 225,822 |
Sovereign bonds | — |  |  | 7,676 |  |  | — |  |  | 7,676 |
U.S. government and agency securities | 355,804 |  |  | 5,937 |  |  | — |  |  | 361,741 |
Total marketable securities | 355,804 |  |  | 310,311 |  |  | — |  |  | 666,115 |
Total cash equivalents and marketable securities | $ | 438,853 |  |  | $ | 311,491 |  |  | $ | — |  |  | $ | 750,344 |
Liabilities: |  |  |  |  |  |  |
Contingent earn-out consideration liability | $ | — |  |  | $ | — |  |  | $ | 16,813 |  |  | $ | 16,813 |
Total contingent earn-out consideration liability | $ | — |  |  | $ | — |  |  | $ | 16,813 |  |  | $ | 16,813 |
During the fiscal years ended March 31, 2025 and 2024, the Company had no transfers between levels of the fair value hierarchy. Contingent Earn-out Consideration Liability The following table summarizes the changes in the contingent earn-out consideration liability (in thousands):
| Fiscal Year Ended March 31,
| 2025 |  | 2024
Beginning fair value | $ | 16,813 |  |  | $ | 21,862 |
Additions in the period | — |  |  | — |
Change in fair value | 680 |  |  | 951 |
Payments | (6,000) |  |  | (6,000) |
Ending fair value | $ | 11,493 |  |  | $ | 16,813 |
The contingent earn-out consideration liability relates to the AMiON acquisition, which closed on April 1, 2022. The fair value of the liability is remeasured at each reporting date until the related contingency is resolved, with any changes to the fair value recognized as sales and marketing expense in the consolidated statements of operations. To determine the fair value of the contingent earn-out consideration liability, the Company used the discounted cash flow method. The significant inputs used in the fair value measurement of the contingent earn-out consideration liability are the discount rate and the timing and amounts of the future payments, which are based upon estimates of future achievement of the performance metrics. As these inputs are not based on observable market data, they represent a Level 3 measurement within the fair value hierarchy. Changes in the significant inputs used would significantly impact the fair value of the contingent earn-out consideration liability. See Note 8—Business Combinations for additional discussion regarding the AMiON acquisition.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 107 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-107 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 940 -SubTopic 820 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478119/940-820-50-1 + Details
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