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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - $ / shares | 12 Months Ended
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Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2015
Statement of Stockholders' Equity [Abstract] |  |  |
Cash dividends declared and paid, quarterly, per as-converted share | $ 0.165 | $ 0.14 | $ 0.12

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- References No definition available. + Details
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- Definition Cash dividends declared and paid, quarterly, per as-converted share + References No definition available. + Details
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