Income Taxes (Summary of Changes in Gross Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Unrecognized tax benefits
Beginning Balance	$ 743	$ 695	$ 1,029
Additions for tax provisions of prior years	393	0	7
Additions based on tax provisions related to current year	106	74	93
Reductions for tax provisions of prior years	0	(26)	0
Decrease - Settlements	(394)	0	0
Lapse of statute of limitations	0	0	(434)
Ending Balance	$ 848	$ 743	$ 695

Unrecognized Tax Benefits [Abstract]

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- Definition

Amount of unrecognized tax benefits.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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