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Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands | Total | Common Stock [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Loss [Member]
--- | --- | --- | --- | ---
Beginning Balance, Shares at Apr. 30, 2021 |  | 16,801,101 |  |
Beginning Balance at Apr. 30, 2021 | $ 756,238 | $ 362,524 | $ 448,282 | $ (54,568)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net income (loss) | (29,722) |  | (29,722) |
Other comprehensive income (loss), net of tax | 64,793 |  |  | 64,793
Stock-based compensation | 4,708 | $ 4,708 |  |
Exercise of stock-based compensation awards, net of amounts withheld for taxes, shares |  | 29,808 |  |
Exercise of stock-based compensation awards, net of amounts withheld for taxes | (1,072) | $ (1,072) |  |
Stock repurchases, shares |  | (299,781) |  |
Stock repurchases | (25,000) | $ (5,874) | (19,126) |
Employee benefit plan contributions, shares |  | 39,491 |  |
Employee benefit plan contributions | 2,938 | $ 2,938 |  |
Ending Balance, Shares at Apr. 30, 2022 |  | 16,570,619 |  |
Ending Balance at Apr. 30, 2022 | 772,883 | $ 363,224 | 399,434 | 10,225
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net income (loss) | 93,723 |  | 93,723 |
Other comprehensive income (loss), net of tax | 147 |  |  | 147
Stock-based compensation | 7,396 | $ 7,396 |  |
Exercise of stock-based compensation awards, net of amounts withheld for taxes, shares |  | 47,576 |  |
Exercise of stock-based compensation awards, net of amounts withheld for taxes | (1,199) | $ (1,199) |  |
Employee benefit plan contributions, shares |  | 17,100 |  |
Employee benefit plan contributions | $ 838 | $ 838 |  |
Ending Balance, Shares at Apr. 30, 2023 | 16,635,295 | 16,635,295 |  |
Ending Balance at Apr. 30, 2023 | $ 873,788 | $ 370,259 | 493,157 | 10,372
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net income (loss) | 116,216 |  | 116,216 |
Other comprehensive income (loss), net of tax | (3,054) |  |  | (3,054)
Stock-based compensation | $ 10,682 | $ 10,682 |  |
Exercise of stock-based compensation awards, net of amounts withheld for taxes, shares | 0 | 76,097 |  |
Exercise of stock-based compensation awards, net of amounts withheld for taxes | $ (2,492) | $ (2,492) |  |
Stock repurchases, shares |  | (1,108,715) |  |
Stock repurchases | (88,440) | $ (22,341) | (66,099) |
Employee benefit plan contributions, shares |  | 50,786 |  |
Employee benefit plan contributions | $ 3,676 | $ 3,676 |  |
Ending Balance, Shares at Apr. 30, 2024 | 15,653,463 | 15,653,463 |  |
Ending Balance at Apr. 30, 2024 | $ 910,376 | $ 359,784 | $ 543,274 | $ 7,318

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