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Net Income Per Common Share (Tables) | 12 Months Ended
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Jun. 30, 2017
Earnings Per Share [Abstract] |
Schedule of Earnings (Loss) Per Common Share, Basic and Diluted |
|  | Year Ended June 30,
(In thousands, except share and per share amounts) |  | 2017 |  | 2016 |  | 2015
Net income attributable to common stockholders—basic |  | $ | 24,370 |  |  | $ | 89,812 |  |  | $ | 651 |
Net income attributable to nonvested restricted stockholders |  | 30 |  |  | 106 |  |  | 1 |
Net income |  | $ | 24,400 |  |  | $ | 89,918 |  |  | $ | 652 |
Weighted average common shares outstanding—basic |  | 16,668,745 |  |  | 16,502,523 |  |  | 16,127,610 |
Effect of dilutive securities: |  |  |  |  |  |
Shares issuable under stock options |  | 117,007 |  |  | 124,879 |  |  | 139,524 |
Weighted average common shares outstanding—diluted |  | 16,785,752 |  |  | 16,627,402 |  |  | 16,267,134 |
Net income per common share—basic |  | $ | 1.46 |  |  | $ | 5.45 |  |  | $ | 0.04 |
Net income per common share—diluted |  | $ | 1.45 |  |  | $ | 5.41 |  |  | $ | 0.04 |

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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://www.xbrl.org/2003/role/presentationRef -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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