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Intangible Assets (Tables) | 12 Months Ended
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Apr. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Indefinite-Lived Intangible Assets | The following table summarizes intangible assets as of April 30, 2025 and 2024 (in thousands):
|  | April 30, 2025 |  | April 30, 2024
|  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Customer relationships |  | $ | 89,980 |  |  | $ | (82,623) |  |  | $ | 7,357 |  |  | $ | 89,980 |  |  | $ | (78,877) |  |  | $ | 11,103 |
Developed software and technology |  | 28,155 |  |  | (22,238) |  |  | 5,917 |  |  | 27,762 |  |  | (20,250) |  |  | 7,512 |
Patents, trademarks, and trade names |  | 70,060 |  |  | (53,966) |  |  | 16,094 |  |  | 69,497 |  |  | (50,046) |  |  | 19,451 |
|  | 188,195 |  |  | (158,826) |  |  | 29,368 |  |  | 187,239 |  |  | (149,173) |  |  | 38,066 |
Patents and software in development |  | 1,612 |  |  | — |  |  | 1,612 |  |  | 1,721 |  |  | — |  |  | 1,721 |
Total definite-lived intangible assets |  | 189,807 |  |  | (158,826) |  |  | 30,981 |  |  | 188,960 |  |  | (149,173) |  |  | 39,787 |
Indefinite-lived intangible assets |  | 430 |  |  | — |  |  | 430 |  |  | 430 |  |  | — |  |  | 430 |
Total intangible assets |  | $ | 190,237 |  |  | $ | (158,826) |  |  | $ | 31,411 |  |  | $ | 189,390 |  |  | $ | (149,173) |  |  | $ | 40,217 |
Schedule of Finite-Lived Intangible Assets | The following table summarizes intangible assets as of April 30, 2025 and 2024 (in thousands):
|  | April 30, 2025 |  | April 30, 2024
|  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Customer relationships |  | $ | 89,980 |  |  | $ | (82,623) |  |  | $ | 7,357 |  |  | $ | 89,980 |  |  | $ | (78,877) |  |  | $ | 11,103 |
Developed software and technology |  | 28,155 |  |  | (22,238) |  |  | 5,917 |  |  | 27,762 |  |  | (20,250) |  |  | 7,512 |
Patents, trademarks, and trade names |  | 70,060 |  |  | (53,966) |  |  | 16,094 |  |  | 69,497 |  |  | (50,046) |  |  | 19,451 |
|  | 188,195 |  |  | (158,826) |  |  | 29,368 |  |  | 187,239 |  |  | (149,173) |  |  | 38,066 |
Patents and software in development |  | 1,612 |  |  | — |  |  | 1,612 |  |  | 1,721 |  |  | — |  |  | 1,721 |
Total definite-lived intangible assets |  | 189,807 |  |  | (158,826) |  |  | 30,981 |  |  | 188,960 |  |  | (149,173) |  |  | 39,787 |
Indefinite-lived intangible assets |  | 430 |  |  | — |  |  | 430 |  |  | 430 |  |  | — |  |  | 430 |
Total intangible assets |  | $ | 190,237 |  |  | $ | (158,826) |  |  | $ | 31,411 |  |  | $ | 189,390 |  |  | $ | (149,173) |  |  | $ | 40,217 |
Schedule of Future Expected Amortization Expense | The following table represents future expected amortization expense as of April 30, 2025 (in thousands):
Fiscal |  | Amount
2026 |  | $ | 8,481 |
2027 |  | 6,093 |
2028 |  | 4,645 |
2029 |  | 2,975 |
2030 |  | 2,336 |
Thereafter |  | 4,838 |
Total |  | $ | 29,368 |

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