Interest and Other Income, Net (Details) - USD ($) $ in Thousands	3 Months Ended
Jan. 31, 2019	Jan. 31, 2018
Other Income and Expenses [Abstract]
Interest income	$ 3,872	$ 2,444
Gains (losses) on non-hedge designated foreign currency forward contracts	22	(699)
Foreign currency exchange gains	783	13
Other	(424)	(183)
Interest and other income, net	$ 4,253	$ 1,575

Interest And Other Income (Loss), Net

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- Definition

Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

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The net amount of nonoperating interest income (expense).

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Amount of income (expense) related to nonoperating activities, classified as other.

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