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Net Income Per Share (Tables) | 6 Months Ended
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Sep. 30, 2018
Earnings Per Share [Abstract] |
Schedule of computations of basic and diluted net income per share | The computations of basic and diluted net income per share for the Company were as follows (in thousands, except per share amounts):
|  | Three Months Ended September 30, |  | Six Months Ended September 30,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
Net income |  | $ | 64,176 |  |  | $ | 56,358 |  |  | $ | 102,642 |  |  | $ | 93,365 |
Shares used in net income per share computation: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding - basic |  | 165,630 |  |  | 164,120 |  |  | 165,474 |  |  | 163,765 |
Effect of potentially dilutive equivalent shares |  | 3,604 |  |  | 4,958 |  |  | 3,522 |  |  | 4,945 |
Weighted average shares outstanding - diluted |  | 169,234 |  |  | 169,078 |  |  | 168,996 |  |  | 168,710 |
Net income per share: |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.39 |  |  | $ | 0.34 |  |  | $ | 0.62 |  |  | $ | 0.57 |
Diluted |  | $ | 0.38 |  |  | $ | 0.33 |  |  | $ | 0.61 |  |  | $ | 0.55 |

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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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