SHARE-BASED COMPENSATION (Details Textuals) - USD ($) shares in Thousands, $ in Millions	12 Months Ended
Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Shares approved by Shareholders (Shares Available for Grant)	5,000	5,000
Number Outstanding (in shares)	4,692	6,400	7,297	6,520
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	4,085	4,612	830	2,016
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	5 years
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years
Pre-tax unrecognized compensation expense related to nonvested stock options	$ 28.4
Pre-tax unrecognized compensation expense related to nonvested stock options, expected to be recognized over a weighted average period (in years)	3 years 2 months 12 days
Fair value of stock options, Vested	$ 8.9	$ 8.5	$ 5.3
Common Class A [Member]
Number Outstanding (in shares)	3,010
Stock Option and Future Grants [Member]
Shares approved by Shareholders (Shares Available for Grant)	8,800
Number Outstanding (in shares)	4,700
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	4,100
Share-based Payment Arrangement, Option [Member]
Share-based Payment Arrangement, Expense	$ 10.3	9.3	7.4
Share-based Payment Arrangement, Expense, Tax Benefit	$ 2.0	$ 2.2	$ 2.8

The total fair value of stock options vested as of the balance sheet date.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Number of options outstanding, including both vested and non-vested options.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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