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Stock-Based Compensation (Details) - USD ($) |  |  | 12 Months Ended
--- | --- | --- | ---
Sep. 24, 2021 | Sep. 29, 2011 | Apr. 30, 2023 | Apr. 30, 2022 | Apr. 30, 2021
Stock Based Compensation |  |  |  |  |
Stock based compensation expense |  |  | $ 10,765,000 | $ 5,390,000 | $ 6,932,000
Exercisable period from grant date |  |  | 3 years |  |
Options granted (in shares) |  |  | 0 | 0 | 0
Maximum |  |  |  |  |
Stock Based Compensation |  |  |  |  |
Amount that may be paid in cash as a performance-based award to one participant during the inital period | $ 700,000 |  |  |  |
Restated 2006 Plan |  |  |  |  |
Stock Based Compensation |  |  |  |  |
Number of shares that may be granted to one participant during any twelve month period |  | 2,000,000 |  |  |
Amount that may be paid in cash as a performance-based award to one participant during any twelve month period |  | $ 5,000,000 |  |  |
Restated 2006 Plan | Maximum |  |  |  |  |
Stock Based Compensation |  |  |  |  |
Number of shares authorized to be issued pursuant to awards |  | 4,884,157 |  |  |
Restated 2006 Plan | Incentive stock options | Minimum |  |  |  |  |
Stock Based Compensation |  |  |  |  |
Percentage of the fair market value on date of grant |  | 100.00% |  |  |
2001 Plan |  |  |  |  |
Stock Based Compensation |  |  |  |  |
Percentage of the fair market value on date of grant | 100.00% |  |  |  |
2001 Plan | Maximum |  |  |  |  |
Stock Based Compensation |  |  |  |  |
Amount that may be paid in cash as a performance-based award to one participant during any twelve month period | $ 500,000 |  |  |  |
1992 Plan | Stock options |  |  |  |  |
Stock Based Compensation |  |  |  |  |
Exercisable period from grant date |  |  | 5 years |  |

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- Definition The highest aggregate amount that may be paid in cash to a participant as a performance-based award in the initial year. + References No definition available. + Details
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