CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY Parenthetical (Details) - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2018 |
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| Statement of Stockholders' Equity [Abstract] | |||
| Dividends paid (in dollar per share) | $ 0.85 | $ 0.84 | $ 0.83 |
| X | ||||||||||
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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