Derivative Instruments and Hedging Activities - Narrative (Details)	3 Months Ended	9 Months Ended
Jul. 31, 2020 USD ($)	Jul. 31, 2020 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Maximum length of time hedged in cash flow hedge		2 years
Cash flow hedge effectiveness measurement period		2 months
Loss on discontinuation of cash flow hedge due to forecasted transaction probable of not occurring	$ 600,000	$ 100,000
Gain (loss) from AOCL earnings		(6,100,000)
Forward currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, notional amount	$ 265,000,000.0	$ 265,000,000.0

Cash Flow Hedge Effectiveness Measurement Period

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- Definition

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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- Definition

The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121549185&loc=d3e80845-113994

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
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-Name Accounting Standards Codification
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- Definition

The amount of loss reclassified into earnings in the period when cash flow hedge is discontinued because it is probable that the original forecasted transactions will not occur by the end of the original period or an additional two month time period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 50
-Paragraph 1
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- Definition

Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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