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Earnings Per Share (Tables) | 9 Months Ended
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Jun. 30, 2018
Earnings Per Share [Abstract] |
Calculation of diluted shares |
|  | Three Months Ended June 30, |  | Nine Months Ended June 30,
in thousands |  | 2018 |  | 2017 |  | 2018 |  | 2017
Basic shares |  | 32,147 |  |  | 31,971 |  |  | 32,113 |  |  | 31,944 |
Shares issuable upon vesting of restricted stock |  | 500 |  |  | 352 |  |  | — |  |  | — |
Shares issuable upon vesting of performance stock |  | — |  |  | 14 |  |  | — |  |  | — |
Shares issuable upon exercise of options |  | 79 |  |  | 38 |  |  | — |  |  | — |
Diluted shares |  | 32,726 |  |  | 32,375 |  |  | 32,113 |  |  | 31,944 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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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