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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Estimated Fair Values for the Company's Senior Notes and Assets Held by Special Purpose Entities (Details) - Estimate of Fair Value Measurement - USD ($) $ in Millions	Jan. 31, 2021	Oct. 31, 2020
Estimated Fair Value Of Financial Instruments [Line Items]
Assets held by special purpose entities estimated fair value	$ 0.0	$ 50.9
Senior Notes due 2021
Estimated Fair Value Of Financial Instruments [Line Items]
Estimated fair value	249.8	242.0
Senior Notes due 2027
Estimated Fair Value Of Financial Instruments [Line Items]
Estimated fair value	$ 533.8	$ 524.4

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Estimated Fair Value Of Financial Instruments [Line Items]

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611

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