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Earnings Per Share (Tables) | 6 Months Ended
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Mar. 31, 2018
Earnings Per Share [Abstract] |
Calculation of diluted shares |
|  | Three Months Ended March 31, |  | Six Months Ended March 31,
(In thousands) |  | 2018 |  | 2017 |  | 2018 |  | 2017
Basic shares |  | 32,140 |  |  | 31,969 |  |  | 32,097 |  |  | 31,931 |
Shares issuable upon vesting of restricted stock |  | 466 |  |  | — |  |  | — |  |  | — |
Shares issuable upon exercise of options |  | 115 |  |  | — |  |  | — |  |  | — |
Diluted shares |  | 32,721 |  |  | 31,969 |  |  | 32,097 |  |  | 31,931 |

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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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