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Employee Stock Plans (Tables) | 12 Months Ended
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Apr. 30, 2019
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
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, |
|  | 2019 |  |  | 2018 |  |  | 2017 |
|  | (in thousands) |
Restricted stock |  | $ | 22,063 |  |  | $ | 20,282 |  |  | $ | 18,045 |
ESPP |  |  | 1,322 |  |  |  | 1,187 |  |  |  | 913 |
Total stock-based compensation expense, pre-tax |  |  | 23,385 |  |  |  | 21,469 |  |  |  | 18,958 |
Tax benefit from stock-based compensation expense |  |  | (5,155 | ) |  |  | (7,319 | ) |  |  | (4,756 | )
Total stock-based compensation expense, net of tax |  | $ | 18,230 |  |  | $ | 14,150 |  |  | $ | 14,202 |
Restricted Stock Activity | Restricted stock activity is summarized below:
|  | April 30, |
|  | 2019 |  |  | 2018 |  |  | 2017 |  |  |  |  |
|  | 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 |  |  | 1,730 |  |  | $ | 33.45 |  |  |  | 1,581 |  |  | $ | 29.74 |  |  |  | 1,506 |  |  | $ | 34.12 |
Granted |  |  | 671 |  |  | $ | 40.93 |  |  |  | 650 |  |  | $ | 37.60 |  |  |  | 852 |  |  | $ | 17.43 |
Vested |  |  | (904 | ) |  | $ | 36.41 |  |  |  | (431 | ) |  | $ | 26.13 |  |  |  | (751 | ) |  | $ | 24.15 |
Forfeited |  |  | (37 | ) |  | $ | 32.26 |  |  |  | (70 | ) |  | $ | 33.26 |  |  |  | (26 | ) |  | $ | 26.80 |
Non-vested, end of year |  |  | 1,460 |  |  | $ | 38.42 |  |  |  | 1,730 |  |  | $ | 33.45 |  |  |  | 1,581 |  |  | $ | 29.74 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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