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v3.20.4

Equities Dividends Per Share (Details) - $ / shares | 3 Months Ended
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Nov. 30, 2020 | Nov. 30, 2019
8% Cumulative Redeemable [Member] |  |
8% Cumulative Redeemable [Line Items] |  |
Preferred Stock, Per Share Amounts of Preferred Dividends in Arrears | $ 1.00 | $ 1.00
Class B, Series 1 Preferred Stock [Member] |  |
8% Cumulative Redeemable [Line Items] |  |
Preferred Stock, Per Share Amounts of Preferred Dividends in Arrears | 0.98 | 0.98
Class B, Series 2 Preferred Stock [Member] |  |
8% Cumulative Redeemable [Line Items] |  |
Preferred Stock, Per Share Amounts of Preferred Dividends in Arrears | 0.88 | 0.88
Class B, Series 3 Preferred Stock [Member] |  |
8% Cumulative Redeemable [Line Items] |  |
Preferred Stock, Per Share Amounts of Preferred Dividends in Arrears | 0.84 | 0.84
Class B, Series 4 Preferred Stock [Member] |  |
8% Cumulative Redeemable [Line Items] |  |
Preferred Stock, Per Share Amounts of Preferred Dividends in Arrears | $ 0.94 | $ 0.94

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- Definition Per share amount of cumulative preferred dividends in arrears. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21488-112644 + Details
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