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v3.7.0.1

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, 2014 |  | 15,476,298 |  |
Beginning Balance at Apr. 30, 2014 | $ 190,545 | $ 127,371 | $ 89,154 | $ (25,980)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net income | 35,499 |  | 35,499 |
Other comprehensive loss, net of tax | (14,877) |  |  | (14,877)
Stock-based compensation | 3,497 | 3,497 |  |
Adjustments to excess tax benefit from stock-based compensation | $ 1,172 | $ 1,172 |  |
Exercise of stock-based compensation awards, net of amounts withheld for taxes, shares | 508,639 | 599,124 |  |
Exercise of stock-based compensation awards, net of amounts withheld for taxes | $ 12,842 | $ 12,842 |  |
Stock repurchases, shares |  | (163,326) |  |
Stock repurchases | (5,053) | $ (1,098) | (3,955) |
Employee benefit plan contributions, shares |  | 167,575 |  |
Employee benefit plan contributions | 6,217 | $ 6,217 |  |
Ending Balance, Shares at Apr. 30, 2015 |  | 16,079,671 |  |
Ending Balance at Apr. 30, 2015 | 229,842 | $ 150,001 | 120,698 | (40,857)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net income | 58,723 |  | 58,723 |
Other comprehensive loss, net of tax | (6,428) |  |  | (6,428)
Stock-based compensation | 3,609 | 3,609 |  |
Adjustments to excess tax benefit from stock-based compensation | $ 4,559 | $ 4,559 |  |
Exercise of stock-based compensation awards, net of amounts withheld for taxes, shares | 287,975 | 375,928 |  |
Exercise of stock-based compensation awards, net of amounts withheld for taxes | $ 5,288 | $ 5,288 |  |
Stock repurchases, shares |  | (243,143) |  |
Stock repurchases | (16,593) | $ (1,928) | (14,665) |
Employee benefit plan contributions, shares |  | 31,585 |  |
Employee benefit plan contributions | $ 1,761 | $ 1,761 |  |
Ending Balance, Shares at Apr. 30, 2016 | 16,244,041 | 16,244,041 |  |
Ending Balance at Apr. 30, 2016 | $ 280,761 | $ 163,290 | 164,756 | (47,285)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net income | 71,199 |  | 71,199 |
Other comprehensive loss, net of tax | 6,868 |  |  | 6,868
Stock-based compensation | $ 3,469 | $ 3,469 |  |
Exercise of stock-based compensation awards, net of amounts withheld for taxes, shares | 71,715 | 122,772 |  |
Exercise of stock-based compensation awards, net of amounts withheld for taxes | $ 633 | $ 633 |  |
Stock repurchases, shares |  | (178,118) |  |
Stock repurchases | (13,407) | $ (1,483) | (11,924) |
Employee benefit plan contributions, shares |  | 44,080 |  |
Employee benefit plan contributions | $ 2,926 | $ 2,926 |  |
Ending Balance, Shares at Apr. 30, 2017 | 16,232,775 | 16,232,775 |  |
Ending Balance at Apr. 30, 2017 | $ 352,449 | $ 168,835 | $ 224,031 | $ (40,417)

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