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Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands | Total | Accounting Standards Update, Adjustment | Common Stock | Additional Paid-In Capital | Retained Earnings | Retained Earnings Accounting Standards Update, Adjustment | Accumulated Other Comprehensive Income/(Loss) | Treasury Stock
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Apr. 30, 2018 | $ 422,148 |  | $ 72 | $ 253,616 | $ 389,146 |  | $ 1,689 | $ (222,375)
Balance (in shares) at Apr. 30, 2018 |  |  | 72,434,000 |  |  |  |  |
Treasury stock, shares at Apr. 30, 2018 |  |  |  |  |  |  |  | 18,167,000
Proceeds from exercise of employee stock options | $ 304 |  |  | 304 |  |  |  |
Proceeds from exercise of employee stock options (in shares) | 48,399 |  | 48,000 |  |  |  |  |
Stock-based compensation - continuing operations | $ 6,947 |  |  | 6,947 |  |  |  |
Stock-based compensation - discontinued operations | 1,045 |  |  | 1,045 |  |  |  |
Shares issued under employee stock purchase plan | 1,918 |  |  | 1,918 |  |  |  |
Shares issued under employee stock purchase plan (in shares) |  |  | 231,000 |  |  |  |  |
Change in unrealized loss on interest rate swap, net of tax effect | (1,069) |  |  |  |  |  | (1,069) |
Stockholders Equity at Apr. 30, 2019 | 444,444 | $ (4,610) | $ 73 | 263,180 | 402,946 | $ (4,610) | 620 | $ (222,375)
Treasury stock, shares at Apr. 30, 2019 |  |  |  |  |  |  |  | 18,167,000
Issuance of common stock under restricted stock unit awards, net of shares surrendered | (649) |  | $ 1 | (650) |  |  |  |
Issuance of common stock under restricted stock unit awards, net of shares surrendered (in shares) |  |  | 151,000 |  |  |  |  |
Net income/(loss) | 18,410 |  |  |  | 18,410 |  |  |
Balance (in shares) at Apr. 30, 2019 |  |  | 72,864,000 |  |  |  |  |
Proceeds from exercise of employee stock options | $ 254 |  |  | 254 |  |  |  |
Proceeds from exercise of employee stock options (in shares) | 67,094 |  | 67,000 |  |  |  |  |
Stock-based compensation - continuing operations | $ 2,357 |  |  | 2,357 |  |  |  |
Stock-based compensation - discontinued operations | 564 |  |  | 564 |  |  |  |
Shares issued under employee stock purchase plan | 1,873 |  |  | 1,873 |  |  |  |
Shares issued under employee stock purchase plan (in shares) |  |  | 380,000 |  |  |  |  |
Change in unrealized loss on interest rate swap, net of tax effect | (547) |  |  |  |  |  | (547) |
Stockholders Equity at Apr. 30, 2020 | $ 387,118 |  | $ 74 | 267,630 | 341,716 |  | 73 | $ (222,375)
Treasury stock, shares at Apr. 30, 2020 | 18,166,862 |  |  |  |  |  |  | 18,167,000
Issuance of common stock under restricted stock unit awards, net of shares surrendered | $ (597) |  | $ 1 | (598) |  |  |  |
Issuance of common stock under restricted stock unit awards, net of shares surrendered (in shares) |  |  | 216,000 |  |  |  |  |
Net income/(loss) | $ (61,230) |  |  |  | (61,230) |  |  |
Balance (in shares) at Apr. 30, 2020 | 55,359,928 |  | 73,527,000 |  |  |  |  |
Proceeds from exercise of employee stock options | $ 1,540 |  |  | 1,540 |  |  |  |
Proceeds from exercise of employee stock options (in shares) | 200,667 |  | 201,000 |  |  |  |  |
Stock-based compensation - continuing operations | $ 4,706 |  |  | 4,706 |  |  |  |
Stock-based compensation - discontinued operations | 184 |  |  | 184 |  |  |  |
Shares issued under employee stock purchase plan | 1,614 |  |  | 1,614 |  |  |  |
Shares issued under employee stock purchase plan (in shares) |  |  | 205,000 |  |  |  |  |
Stockholders Equity at Apr. 30, 2021 | $ 266,384 |  | $ 74 | 273,431 | 325,181 |  | $ 73 | $ (332,375)
Treasury stock, shares at Apr. 30, 2021 | 24,284,798 |  |  |  |  |  |  | 24,285,000
Issuance of common stock under restricted stock unit awards, net of shares surrendered | $ (2,243) |  |  | $ (2,243) |  |  |  |
Issuance of common stock under restricted stock unit awards, net of shares surrendered (in shares) |  |  | 289,000 |  |  |  |  |
Repurchase of treasury stock | (110,000) |  |  |  |  |  |  | $ (110,000)
Repurchase of treasury stock, shares |  |  |  |  |  |  |  | 6,118,000
Dividends issued | (8,223) |  |  |  | (8,223) |  |  |
Spin off of outdoor products and accessories business | (260,361) |  |  |  | (260,361) |  |  |
Net income/(loss) | $ 252,049 |  |  |  | $ 252,049 |  |  |
Balance (in shares) at Apr. 30, 2021 | 49,937,329 |  | 74,222,000 |  |  |  |  |

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