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Net Income Per Common Share (Tables) | 12 Months Ended
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Apr. 30, 2020
Earnings Per Share [Abstract] |
Schedule of Basic and Diluted Earnings Per Share | Computations for basic and diluted earnings per common share are presented below:
| Years ended April 30,
| 2020 |  | 2019 |  | 2018
Basic |  |  |  |  |
Net income | $ | 263,846 |  |  | $ | 203,886 |  |  | $ | 317,903 |
Weighted average shares outstanding-basic | 36,956,115 |  |  | 36,709,940 |  |  | 37,778,304 |
Basic earnings per common share | $ | 7.14 |  |  | $ | 5.55 |  |  | $ | 8.41 |
Diluted |  |  |  |  |
Net income | $ | 263,846 |  |  | $ | 203,886 |  |  | $ | 317,903 |
Weighted-average shares outstanding-basic | 36,956,115 |  |  | 36,709,940 |  |  | 37,778,304 |
Plus effect of stock options and restricted stock units | 229,713 |  |  | 265,447 |  |  | 353,795 |
Weighted-average shares outstanding-diluted | 37,185,828 |  |  | 36,975,387 |  |  | 38,132,099 |
Diluted earnings per common share | $ | 7.10 |  |  | $ | 5.51 |  |  | $ | 8.34 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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