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Earnings Per Share (Tables) | 9 Months Ended
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Jun. 30, 2019
Earnings Per Share [Abstract] |
Summary of Earnings Per Share | The following table summarizes the weighted-average number of basic and diluted common shares outstanding and the calculation of basic and diluted earnings per share for the periods presented (in thousands, except share and per share amounts):
Basic |  |  |  |  |  |  |  |
|  | For the Three Months Ended June 30, |  |  |  | For the Nine Months Ended June 30, |  |
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Numerator |  |  |  |  |  |  |  |
Net income attributable to common stockholders |  | $ | 17,202 |  | $ | 13,403 |  | $ | 26,568 |  | $ | 35,647
Denominator |  |  |  |  |  |  |  |
Weighted average number of common shares outstanding, basic |  | 51,414,619 |  | 46,557,785 |  | 51,414,619 |  | 43,648,309
Net income per common share attributable to common shareholders, basic |  | $ | 0.33 |  | $ | 0.29 |  | $ | 0.52 |  | $ | 0.82
Diluted |  |  |  |  |  |  |  |
|  | For the Three Months Ended June 30, |  |  |  | For the Nine Months Ended June 30, |  |
|  | 2019 |  | 2018 |  | 2019 |  | 2018
Numerator |  |  |  |  |  |  |  |
Net income attributable to common stockholders |  | $ | 17,202 |  | $ | 13,403 |  | $ | 26,568 |  | $ | 35,647
Denominator |  |  |  |  |  |  |  |
Weighted average number of common shares outstanding, basic |  | 51,414,619 |  | 46,557,785 |  | 51,414,619 |  | 43,648,309
Effect of dilutive securities: |  |  |  |  |  |  |  |
2010 Non-Plan Stock Options |  | — |  | 387,892 |  | — |  | 271,163
2018 Restricted Stock Grants |  | — |  | 42,682 |  | — |  | 13,074
2019 Restricted Stock Grants |  | 8,280 |  | — |  | 268 |  | —
Weighted average number of common shares outstanding, diluted |  | 51,422,899 |  | 46,988,359 |  | 51,414,887 |  | 43,932,546
Net income per common share attributable to common stockholders, diluted |  | $ | 0.33 |  | $ | 0.29 |  | $ | 0.52 |  | $ | 0.81

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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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