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Income Taxes - Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Income Tax Disclosure [Abstract]
Balance at beginning of year	$ 6,717	$ 2,909	$ 2,891
Additions based on tax positions related to the current year	370	370	370
Additions for tax positions of prior years	0	4,068	547
Reductions for tax positions of prior years	(350)	0	0
Settlements	0	137	0
Lapse of statute of limitations	(3,017)	(493)	(899)
Balance at end of year	$ 3,720	$ 6,717	$ 2,909

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Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=123427490&loc=SL37586934-109318

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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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