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Employee Stock Plans (Tables) | 9 Months Ended
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Jan. 31, 2017
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 operations for the periods indicated:
|  | Three Months Ended January 31, |  |  | Nine Months Ended January 31, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
|  | (in thousands) |
Restricted stock |  | $ | 4,406 |  |  | $ | 4,399 |  |  | $ | 13,497 |  |  | $ | 13,131 |
ESPP |  |  | 175 |  |  |  | 127 |  |  |  | 604 |  |  |  | 391 |
Stock options |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 17 |
Total stock-based compensation expense, pre-tax |  |  | 4,581 |  |  |  | 4,526 |  |  |  | 14,101 |  |  |  | 13,539 |
Tax benefit from stock-based compensation expense |  |  | (1,111 | ) |  |  | (1,989 | ) |  |  | (3,778 | ) |  |  | (4,857 | )
Total stock-based compensation expense, net of tax |  | $ | 3,470 |  |  | $ | 2,537 |  |  | $ | 10,323 |  |  | $ | 8,682 |
Restricted Stock Activity | Restricted stock activity during the nine months ended January 31, 2017 is summarized below:
|  | Shares |  |  | Weighted- Average Grant Date Fair Value |
|  | (in thousands, except per share data) |
Non-vested, April 30, 2016 |  |  | 1,506 |  |  | $ | 34.12 |
Granted |  |  | 804 |  |  | $ | 16.64 |
Vested |  |  | (713 | ) |  | $ | 23.80 |
Forfeited/expired |  |  | (22 | ) |  | $ | 25.88 |
Non-vested, January 31, 2017 |  |  | 1,575 |  |  | $ | 30.59 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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