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Employee Stock Plans (Tables) | 6 Months Ended
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Oct. 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 income for the periods indicated:
|  | Three Months Ended October 31, |  |  | Six Months Ended October 31, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
|  | (in thousands) |
Restricted stock |  | $ | 6,301 |  |  | $ | 5,309 |  |  | $ | 11,670 |  |  | $ | 9,714 |
ESPP |  |  | 354 |  |  |  | 278 |  |  |  | 699 |  |  |  | 569 |
Total stock-based compensation expense |  | $ | 6,655 |  |  | $ | 5,587 |  |  | $ | 12,369 |  |  | $ | 10,283 |
Restricted Stock Activity | Restricted stock activity during the six months ended October 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 |  |  | 515 |  |  | $ | 52.81 |
Vested |  |  | (572 | ) |  | $ | 34.16 |
Forfeited/expired |  |  | (25 | ) |  | $ | 32.26 |
Non-vested, October 31, 2018 |  |  | 1,648 |  |  | $ | 42.22 |

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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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