ORGANIZATION, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Earnings Per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Numerator [Abstract]
Net income applicable to common and Class A common stockholders - basic	$ 7,270	$ 5,579	$ 18,922	$ 20,098
Common Stock [Member]
Numerator [Abstract]
Net income applicable to common and Class A common stockholders - basic	1,531	1,148	3,983	4,136
Effect of dilutive securities [Abstract]
Restricted stock awards	68	63	155	202
Net income applicable to common stockholders - diluted	$ 1,599	$ 1,211	$ 4,138	$ 4,338
Denominator [Abstract]
Denominator for basic EPS - weighted average common shares (in shares)	8,813	8,560	8,812	8,558
Effect of dilutive securities [Abstract]
Restricted stock awards (in shares)	585	673	501	589
Denominator for diluted EPS - weighted average common equivalent shares (in shares)	9,398	9,233	9,313	9,147
Class A Common Stock [Member]
Numerator [Abstract]
Net income applicable to common and Class A common stockholders - basic	$ 5,739	$ 4,431	$ 14,939	$ 15,962
Effect of dilutive securities [Abstract]
Restricted stock awards	(68)	(63)	(155)	(202)
Net income applicable to common stockholders - diluted	$ 5,671	$ 4,368	$ 14,784	$ 15,760
Denominator [Abstract]
Denominator for basic EPS - weighted average common shares (in shares)	29,431	29,358	29,442	29,363
Effect of dilutive securities [Abstract]
Restricted stock awards (in shares)	244	232	195	175
Denominator for diluted EPS - weighted average common equivalent shares (in shares)	29,675	29,590	29,637	29,538

Amount of increase (decrease) to net income used for calculating diluted earnings per share (EPS), resulting from the assumed exercise of stock options or restrictive stock units (RSUs).

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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