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Stockholders' Equity - Additional Information (Detail) $ in Thousands |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 05, 2024 USD ($) | Apr. 30, 2026 USD ($) Segment shares | Apr. 30, 2025 USD ($) shares | Apr. 30, 2024 USD ($) shares | Apr. 30, 2023 shares | Sep. 15, 2025 USD ($) | Sep. 19, 2023 USD ($) | Sep. 12, 2022 shares | Sep. 27, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Number of stock incentive plans | Segment |  | 2 |  |  |  |  |  |  |  |
Performance period |  | 3 years |  |  |  |  |  |  |  |
Percentage of maximum aggregate award granted |  | 220.00% |  | 200.00% |  |  |  |  |  |
Percentage of stock outperform in order for target award to vest |  |  |  | 5.00% |  |  |  |  |  |
Stock-based compensation expense | $ |  | $ 8,350 | $ 7,609 | $ 5,683 |  |  |  |  |  |
Stock units, forfeited |  |  | 38,521 |  |  |  |  |  |  |
Grant date fair value of vested RSUs and PSUs | $ |  | $ 5,500 | $ 3,800 | $ 3,300 |  |  |  |  |  |
Shares issued under employee stock purchase plan |  | 198,691 | 175,134 |  |  |  |  |  |  |
2011 Employee Stock Purchase Plan |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Option exercise price per share as a percentage of fair market value |  | 85.00% |  |  |  |  |  |  |  |
Number of shares an employee may purchase under the stock purchase plan |  | 12,500 |  |  |  |  |  |  |  |
Fair market value of shares an employee may purchase under the stock purchase plan | $ |  | $ 25,000 |  |  |  |  |  |  |  |
RSUs |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Vesting period |  | 4 years |  |  |  |  |  |  |  |
Stock units, awarded |  | 603,336 | 486,895 | 357,357 |  |  |  |  |  |
Stock units, forfeited |  | 64,463 | 36,068 | 24,385 |  |  |  |  |  |
Stock units, Released |  | 295,841 | 218,831 | 228,087 |  |  |  |  |  |
Grant date fair value of vested RSUs and PSUs | $ |  | $ 3,800 | $ 4,500 | $ 2,700 |  |  |  |  |  |
PSUs |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Performance period |  | 3 years |  |  |  |  |  |  |  |
Percentage of stock outperform in order for target award to vest |  |  |  | 10.00% |  |  |  |  |  |
Stock units, forfeited |  | 108,736 | 63,469 | 158,100 |  |  |  |  |  |
Stock units, Released |  |  |  |  |  | 55,726 |  |  |  |
Performance stock units earned to subject threshold percentage |  | 40.00% |  |  |  |  |  |  |  |
RSUs and PSUs |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Unrecognized compensation expense related to unvested RSUs and PSUs | $ |  | $ 4,600 |  |  |  |  |  |  |  |
Stock units, awarded |  | 841,027 | 629,773 | 533,940 |  |  |  |  |  |
Stock units, forfeited |  | 173,199 | 138,058 | 182,485 |  |  |  |  |  |
Stock units, Released |  | 390,259 | 287,929 | 283,813 | [1] |  |  |  |  |
Weighted average remaining contractual term |  | 1 year 3 months 18 days |  |  |  |  |  |  |  |
Directors | RSUs |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Stock units, awarded |  | 76,266 | 54,666 | 58,819 |  |  |  |  |  |
Executive Officer | RSUs |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Stock units, awarded |  | 273,374 | 142,882 | 117,724 |  |  |  |  |  |
Executive Officer | PSUs |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Stock units, awarded |  | 237,691 | 142,878 | 176,583 |  |  |  |  |  |
Stock units, Released |  |  |  | 55,726 |  |  |  |  |  |
Grant date fair value of vested RSUs and PSUs | $ |  |  |  | $ 664,000 |  |  |  |  |  |
Non-Executive Officer Employees | RSUs |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Stock units, awarded |  | 253,696 | 289,347 | 180,814 |  |  |  |  |  |
2013 Incentive Stock Plan |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Authorized of common stock |  |  |  |  |  |  |  |  | 1,000,000 |
Vesting period |  | 4 years |  |  |  |  |  |  |  |
Stock option, exercisable period |  | 10 years |  |  |  |  |  |  |  |
Shares available for grant under incentive stock option |  |  |  |  |  |  |  |  | 4,312,247 |
2022 Incentive Stock Plan |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Shares available for grant under incentive stock option |  | 4,424,315 |  |  |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Payroll deduction of participant's compensation |  | 20.00% |  |  |  |  |  |  |  |
Maximum | 2011 Employee Stock Purchase Plan |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock reserved under employee stock purchase plan |  |  |  |  |  |  |  |  |  | 3,000,000
Maximum | PSUs |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of maximum aggregate award granted |  | 220.00% |  |  |  |  |  |  |  |
Percentage of stock outperform in order for target award to vest |  |  |  | 200.00% |  |  |  |  |  |
Performance stock units earned to subject threshold percentage |  | 220.00% |  |  |  |  |  |  |  |
Maximum | Employees | RSUs |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Vesting, percentage |  | 0.25% |  |  |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Payroll deduction of participant's compensation |  | 1.00% |  |  |  |  |  |  |  |
Minimum | PSUs |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of maximum aggregate award granted |  | 200.00% |  |  |  |  |  |  |  |
Minimum | Employees | RSUs |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Vesting period |  | 3 years |  |  |  |  |  |  |  |
Vesting, percentage |  | 0.25% |  |  |  |  |  |  |  |
Common Stock |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Repurchase of common stock |  | 312,310 |  |  |  |  |  |  |  |
Number of shares repurchased, value | $ |  | $ 4,100 |  |  |  |  |  |  |  |
Retirement of common stock held in treasury, shares |  | (31,677,994) |  |  |  |  |  |  |  |
Shares issued under employee stock purchase plan |  | 199,000 | 175,000 | 151,000 |  |  |  |  |  |
Common Stock | Transaction Until September 19, 2024 |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Stock repurchase authorization | $ |  |  |  |  |  |  | $ 50,000 | $ 50,000 |  |
Repurchase of common stock |  |  | 1,531,763 |  |  |  |  |  |  |
Number of shares repurchased, value | $ | $ 50,000 |  | $ 21,400 |  |  |  |  |  |  |
Common Stock | Share Repurchase Transactions |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Repurchase of common stock |  | 0 | 1,844,073 |  |  |  |  |  |  |
Number of shares repurchased, value | $ |  |  | $ 25,500 |  |  |  |  |  |  |
[1] | Includes 55,726 PSUs that vested during fiscal 2023.

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