Derivative Instruments and Hedging Activities - Fair Value of Derivatives (Details) - USD ($) $ in Thousands	Oct. 31, 2020	Oct. 31, 2019
Fair value of derivatives
Asset derivatives	$ 933	$ 10,898
Liability derivatives	2,484	9
Forward currency contracts
Fair value of derivatives
Asset derivatives	933	10,898
Liability derivatives	2,484	9
Forward currency contracts | Derivatives Designated as Hedging Instruments | Prepaid expenses and other current assets
Fair value of derivatives
Asset derivatives	802	8,642
Forward currency contracts | Derivatives Designated as Hedging Instruments | Accrued liabilities
Fair value of derivatives
Liability derivatives	2,687	0
Forward currency contracts | Derivatives Not Designated as Hedging Instruments | Prepaid expenses and other current assets
Fair value of derivatives
Asset derivatives	131	2,256
Forward currency contracts | Derivatives Not Designated as Hedging Instruments | Accrued liabilities
Fair value of derivatives
Liability derivatives	$ (203)	$ 9