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Employee Stock Plans (Tables) | 3 Months Ended
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Jul. 31, 2018
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 operations for the periods indicated:
|  | Three Months Ended July 31, |
|  | 2018 |  |  | 2017 |
|  | (in thousands) |
Restricted stock |  | $ | 5,369 |  |  | $ | 4,405 |
ESPP |  |  | 345 |  |  |  | 291 |
Total stock-based compensation expense, pre-tax |  |  | 5,714 |  |  |  | 4,696 |
Tax benefit from stock-based compensation expense |  |  | (1,682 | ) |  |  | (1,378 | )
Total stock-based compensation expense, net of tax |  | $ | 4,032 |  |  | $ | 3,318 |
Restricted Stock Activity | Restricted stock activity during the three months ended July 31, 2018 is summarized below:
|  | Shares |  |  | Weighted- Average Grant Date Fair Value |
|  | (in thousands, except per share data) |
Non-vested, April 30, 2018 |  |  | 1,730 |  |  | $ | 33.45 |
Granted |  |  | 478 |  |  | $ | 48.55 |
Vested |  |  | (539 | ) |  | $ | 34.05 |
Forfeited/expired |  |  | (20 | ) |  | $ | 26.86 |
Non-vested, July 31, 2018 |  |  | 1,649 |  |  | $ | 40.66 |

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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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