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Net Income per Share (Tables) | 12 Months Ended
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Mar. 31, 2019
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):
|  | Years Ended March 31,
|  | 2019 |  | 2018 |  | 2017
Net Income |  | $ | 257,573 |  |  | $ | 208,542 |  |  | $ | 205,876 |
Shares used in net income per share computation: |  |  |  |  |  |
Weighted average shares outstanding - basic |  | 165,609 |  |  | 164,038 |  |  | 162,058 |
Effect of potentially dilutive equivalent shares |  | 3,356 |  |  | 4,933 |  |  | 3,482 |
Weighted average shares outstanding - diluted |  | 168,965 |  |  | 168,971 |  |  | 165,540 |
Net income per share: |  |  |  |  |  |
Basic |  | $ | 1.56 |  |  | $ | 1.27 |  |  | $ | 1.27 |
Diluted |  | $ | 1.52 |  |  | $ | 1.23 |  |  | $ | 1.24 |

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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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