The number of directors the redeemable preferred stockholders are entitled to elect under certain circumstances.

No definition available.

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- Definition

Refers to the number of quarters with cumulative arrearage of quarterly dividends to trigger the election of additional board members by holders of preferred stock Directors until the arrearage has been cured.

+ References

No definition available.

+ Details

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- Definition

Number of shares that have been repurchased under all repurchase plans since incpetion

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

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- Definition

Date the preferred stock has been redeemed, in CCYY-MM-DD format.

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- Definition

The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer.

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- Definition

The cash inflow from the additional capital contribution to the entity.

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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STOCKHOLDERS' EQUITY, Share Repurchase Program and Preferred Stock (Details) $ / shares in Units, $ in Thousands	9 Months Ended		12 Months Ended
	Jul. 31, 2019 USD ($) Quarter Director $ / shares shares	Jul. 31, 2018 USD ($)	Oct. 31, 2018
Equity, Class of Treasury Stock [Line Items]
Proceeds received from sale of Class A Common Stock \| $	$ 146	$ 148
Current Program [Member]
Equity, Class of Treasury Stock [Line Items]
Number of shares authorized to be repurchased (in shares)	2,000,000
Common Stock [Member] \| Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Number of shares repurchased since inception of all repurchase programs (in shares)	4,600
Class A Common Stock [Member] \| Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Number of shares repurchased since inception of all repurchase programs (in shares)	919,991
Class A Common Stock [Member] \| Current Program [Member]
Equity, Class of Treasury Stock [Line Items]
Number of shares repurchased (in shares)	195,413
Series G Senior Redeemable Preferred Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Preferred stock, redemption price per share (in dollars per share) \| $ / shares	$ 25.00
Number of quarters with cumulative arrearage of quarterly dividends to trigger the election of additional board members by holders of preferred stock \| Quarter	6
Number of directors redeemable preferred stockholders are entitled to elect \| Director	2
Preferred stock, dividend rate	6.75%		6.75%
Preferred stock, redemption date	Oct. 28, 2019
Series H Preferred Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Preferred stock, redemption price per share (in dollars per share) \| $ / shares	$ 25.00
Number of quarters with cumulative arrearage of quarterly dividends to trigger the election of additional board members by holders of preferred stock \| Quarter	6
Number of directors redeemable preferred stockholders are entitled to elect \| Director	2
Preferred stock, dividend rate	6.25%		6.25%
Preferred stock, redemption date	Sep. 18, 2022