Goodwill and Intangible Assets Changes in carrying amount of goodwill (Details) $ in Thousands	9 Months Ended
Jul. 31, 2020 USD ($)
Goodwill [Roll Forward]
Goodwill, Impairment Loss	$ (21,971)
Goodwill at beginning of period	22,395
Foreign currency translation	(424)
Goodwill at end of period	$ 0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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