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Earnings Per Share (Tables) | 6 Months Ended
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Dec. 31, 2017
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share |
| Quarter ended |  | Six months ended
| December 31, |  | December 31,
| 2017 |  | 2016 |  | 2017 |  | 2016
| (in thousands, except per share data)
Numerator: |  |  |  |  |  |  |
Net Income | $ | 7,969 |  |  | $ | 23,036 |  |  | $ | 12,116 |  |  | $ | 37,852 |
Denominator: |  |  |  |  |  |  |
Weighted-average shares, basic | 25,506 |  |  | 25,146 |  |  | 25,470 |  |  | 25,334 |
Dilutive effect of share-based payments | 142 |  |  | 139 |  |  | 142 |  |  | 156 |
Weighted-average shares, diluted | 25,648 |  |  | 25,285 |  |  | 25,612 |  |  | 25,490 |
Net income per common share, basic | $ | 0.31 |  |  | $ | 0.92 |  |  | $ | 0.48 |  |  | $ | 1.49 |
Net income per common share, diluted | $ | 0.31 |  |  | $ | 0.91 |  |  | $ | 0.47 |  |  | $ | 1.48 |

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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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