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Employee Stock Plans (Tables) | 6 Months Ended
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Oct. 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 income for the periods indicated:
|  | Three Months Ended October 31, |  |  | Six Months Ended October 31, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
|  | (in thousands) |
Restricted stock |  | $ | 5,309 |  |  | $ | 4,352 |  |  | $ | 9,714 |  |  | $ | 9,091 |
ESPP |  |  | 278 |  |  |  | 253 |  |  |  | 569 |  |  |  | 429 |
Total stock-based compensation expense, pre-tax |  |  | 5,587 |  |  |  | 4,605 |  |  |  | 10,283 |  |  |  | 9,520 |
Tax benefit from stock-based compensation expense |  |  | (1,670 | ) |  |  | (1,184 | ) |  |  | (3,048 | ) |  |  | (2,668 | )
Total stock-based compensation expense, net of tax |  | $ | 3,917 |  |  | $ | 3,421 |  |  | $ | 7,235 |  |  | $ | 6,852 |
Restricted Stock Activity | Restricted stock activity during the six months ended October 31, 2017 is summarized below:
|  | Shares |  |  | Weighted- Average Grant Date Fair Value |
|  | (in thousands, except per share data) |
Non-vested, April 30, 2017 |  |  | 1,581 |  |  | $ | 29.74 |
Granted |  |  | 623 |  |  | $ | 37.46 |
Vested |  |  | (409 | ) |  | $ | 25.91 |
Forfeited/expired |  |  | (62 | ) |  | $ | 33.19 |
Non-vested, October 31, 2017 |  |  | 1,733 |  |  | $ | 33.30 |

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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=96867065&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=96867065&loc=d3e5070-113901 + Details
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