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Earnings per Common Share (Basic Earnings (Loss) Per Share) (Narrative) (Details) - shares | Sep. 30, 2017 | Sep. 30, 2016
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Earnings Per Share [Abstract] |  |
Class of warrant or right, outstanding | 0 | 0

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- Definition Number of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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Balance Type: | na
Period Type: | instant

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