GOODWILL AND OTHER INTANGIBLE ASSETS (Details Textuals) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Apr. 30, 2020	Apr. 30, 2019	Apr. 30, 2020	Apr. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Business Acquisition, Goodwill, Expected Tax Deductible Amount	$ 9.0		$ 9.0
Amortization expense related to intangible assets	13.9	$ 13.1	27.6	$ 25.9
Estimated Amortization Expense, remainder of fiscal year	27.5		27.5
Estimated Amortization Expense, for fiscal 2021	52.4		52.4
Estimated Amortization Expense, for fiscal 2022	45.8		45.8
Estimated Amortization Expense, for fiscal 2023	40.6		40.6
Estimated Amortization Expense, for fiscal 2024	36.1		36.1
Estimated Amortization Expense, for fiscal 2025	32.2		32.2
Estimated Amortization Expense, thereafter	$ 151.4		$ 151.4

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 1
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Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in remainder of current fiscal year.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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