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Employee Stock Plans (Tables) | 12 Months Ended
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Apr. 30, 2015
Components Of Stock-Based Compensation Expense Recognized | The following table summarizes the components of stock-based compensation expense recognized in the Company’s consolidated statements of income for the periods indicated:
|  | Year Ended April 30, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
|  | (in thousands) |
Restricted stock |  | $ | 13,602 |  |  | $ | 11,689 |  |  | $ | 11,001 |
ESPP |  |  | 162 |  |  |  | — |  |  |  | — |
Stock options |  |  | 135 |  |  |  | 417 |  |  |  | 905 |
Total stock-based compensation expense, pre-tax |  |  | 13,899 |  |  |  | 12,106 |  |  |  | 11,906 |
Tax benefit from stock-based compensation expense |  |  | (3,893 | ) |  |  | (3,484 | ) |  |  | (4,142 | )
Total stock-based compensation expense, net of tax |  | $ | 10,006 |  |  | $ | 8,622 |  |  | $ | 7,764 |
Stock Options Transactions | Stock options transactions under the Company’s Second A&R 2008 Plan were as follows:
|  | April 30, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
|  | Options |  |  | Weighted- Average Exercise Price |  |  | Options |  |  | Weighted- Average Exercise Price |  |  | Options |  |  | Weighted- Average Exercise Price |
|  | (in thousands, except per share data) |
Outstanding, beginning of year |  |  | 396 |  |  | $ | 16.23 |  |  |  | 1,100 |  |  | $ | 14.72 |  |  |  | 1,492 |  |  | $ | 14.00 |
Exercised |  |  | (179 | ) |  | $ | 16.99 |  |  |  | (655 | ) |  | $ | 13.88 |  |  |  | (238 | ) |  | $ | 9.32 |
Forfeited/expired |  |  | (15 | ) |  | $ | 17.72 |  |  |  | (49 | ) |  | $ | 13.42 |  |  |  | (154 | ) |  | $ | 16.87 |
Outstanding, end of year |  |  | 202 |  |  | $ | 15.45 |  |  |  | 396 |  |  | $ | 16.23 |  |  |  | 1,100 |  |  | $ | 14.72 |
Exercisable, end of year |  |  | 192 |  |  | $ | 15.07 |  |  |  | 337 |  |  | $ | 16.11 |  |  |  | 864 |  |  | $ | 15.01 |
Outstanding Stock Options | Outstanding stock options:
|  | April 30, 2015 |
|  | Options Outstanding |  |  | Options Exercisable |
Range of Exercise Prices |  | Shares |  |  | Weighted- Average Remaining Contractual Life (in years) |  |  | Weighted- Average Exercise Price |  |  | Shares |  |  | Weighted- Average Remaining Contractual Life (in years) |  |  | Weighted- Average Exercise Price |
|  | (in thousands, except per share data) |
$9.75 — $ 13.82 |  |  | 48 |  |  |  | 1.3 |  |  | $ | 10.00 |  |  |  | 48 |  |  |  | 1.3 |  |  | $ | 10.00 |
$13.83 — $ 15.83 |  |  | 67 |  |  |  | 2.2 |  |  | $ | 13.94 |  |  |  | 67 |  |  |  | 2.2 |  |  | $ | 13.94 |
$15.84 — $ 19.88 |  |  | 50 |  |  |  | 0.3 |  |  | $ | 17.96 |  |  |  | 50 |  |  |  | 0.3 |  |  | $ | 17.96 |
$19.89 — $ 24.08 |  |  | 37 |  |  |  | 2.3 |  |  | $ | 21.87 |  |  |  | 27 |  |  |  | 1.9 |  |  | $ | 21.55 |
|  |  | 202 |  |  |  | 1.5 |  |  | $ | 15.45 |  |  |  | 192 |  |  |  | 1.4 |  |  | $ | 15.07 |
Additional Information Pertaining to Stock Options | Additional information pertaining to stock options:
|  | Year Ended April 30, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
|  | (in thousands, except per share data) |
Total fair value of stock options vested |  | $ | 334 |  |  | $ | 984 |  |  | $ | 1,001 |
Total intrinsic value of stock options exercised |  | $ | 2,425 |  |  | $ | 6,108 |  |  | $ | 1,547 |
Restricted Stock Activity | Restricted stock activity is summarized below:
|  | April 30, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
|  | Shares |  |  | Weighted- Average Grant Date Fair Value |  |  | Shares |  |  | Weighted- Average Grant Date Fair Value |  |  | Shares |  |  | Weighted- Average Grant Date Fair Value |
|  | (in thousands, except per share data) |
Non-vested, beginning of year |  |  | 1,880 |  |  | $ | 18.95 |  |  |  | 1,810 |  |  | $ | 16.38 |  |  |  | 1,781 |  |  | $ | 16.76 |
Granted |  |  | 438 |  |  | $ | 29.93 |  |  |  | 809 |  |  | $ | 21.32 |  |  |  | 889 |  |  | $ | 13.93 |
Vested |  |  | (705 | ) |  | $ | 18.52 |  |  |  | (535 | ) |  | $ | 14.54 |  |  |  | (780 | ) |  | $ | 14.99 |
Forfeited/expired |  |  | (53 | ) |  | $ | 21.13 |  |  |  | (204 | ) |  | $ | 17.19 |  |  |  | (80 | ) |  | $ | 16.43 |
Non-vested, end of year |  |  | 1,560 |  |  | $ | 22.15 |  |  |  | 1,880 |  |  | $ | 18.95 |  |  |  | 1,810 |  |  | $ | 16.38 |

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