Earnings Per Share - Schedule of Stock Options and Restricted Stock Units that were not Included in the Diluted Earnings Per Share Calculation (Details) - $ / shares shares in Thousands	3 Months Ended	9 Months Ended
Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of stock option shares and restricted stock units excluded (in shares)				19
Range of exercise prices, lower limit	$ 254.77		$ 304.54	$ 254.77
Range of exercise prices, upper limit	$ 304.54		$ 304.54	$ 254.77
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of stock option shares and restricted stock units excluded (in shares)	392	0	207	198
Restricted Stock Units (RSUs)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of stock option shares and restricted stock units excluded (in shares)	1	18	1

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ 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 (g)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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