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Dividends (Details) - $ / shares |  |  |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | ---
Mar. 13, 2020 | Feb. 12, 2020 | Jan. 15, 2020 | Dec. 10, 2019 | Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2020 | Mar. 31, 2019
Equity [Abstract] |  |  |  |  |  |  |  |
Cash dividends declared |  | $ 0.15 |  | $ 0.15 |  |  |  |
Common Stock, Dividends, Per Share, Cash Paid | $ 0.15 |  | $ 0.15 |  | $ 0.15 | $ 0.15 | $ 0.30 | $ 0.30

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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