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EQUITY - Dividends (Details) - $ / shares |  |  |  |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Jul. 30, 2021 | Sep. 10, 2020 | Jul. 27, 2020 | Jul. 30, 2019 | Sep. 30, 2021 | Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2019
Dividends Payable [Line Items] |  |  |  |  |  |  |  |
Dividends declared (USD per share) | $ 0.66 |  | $ 0.62 | $ 0.58 |  | $ 2.52 | $ 7.36 | $ 2.23
Dividends paid (USD per share) |  |  |  |  | $ 0.66 |  |  |
Special Cash Dividend |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |
Dividends declared (USD per share) |  |  | $ 5.00 |  |  |  |  |
Dividends paid (USD per share) |  | $ 5.00 |  |  |  |  |  |

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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=120397183&loc=d3e187085-122770 + Details
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- Definition Aggregate dividends declared 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=120397183&loc=d3e187085-122770 + Details
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