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Stockholders' Equity - Summary of the Performance, Executive, and Director Awards Granted under the Stock Plan (Details) - $ / shares shares in Thousands	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares	112,841	145,737	145,324
Weighted-Average Grant Price (in dollars per share)	$ 19.06	$ 19.73	$ 22.36
Director Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares	17,841	15,642	14,033
Weighted-Average Grant Price (in dollars per share)	$ 20.05	$ 21.65	$ 22.00
Performance Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares	0	40,095	41,291
Weighted-Average Grant Price (in dollars per share)	$ 0	$ 18.74	$ 22.86
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-Average Grant Price (in dollars per share)	$ 18.87
Restricted Stock | Executive Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Shares	95,000	90,000	90,000
Weighted-Average Grant Price (in dollars per share)	$ 18.87	$ 19.84	$ 22.19

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Net number of non-option equity instruments granted to participants.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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