Goodwill (Details) $ in Thousands	12 Months Ended
Oct. 31, 2018 USD ($)
Goodwill [Roll Forward]
Goodwill beginning balance	$ 267,458
Acquisitions	30,757
Impairments	0
Translation	(247)
Goodwill ending balance	297,968
Software and Software-Related Services
Goodwill [Roll Forward]
Goodwill beginning balance	201,428
Acquisitions	30,757
Impairments	0
Translation	0
Goodwill ending balance	232,185
Networking Platforms
Goodwill [Roll Forward]
Goodwill beginning balance	66,030
Acquisitions	0
Impairments	0
Translation	(247)
Goodwill ending balance	$ 65,783

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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