Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

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Business Combinations - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jul. 02, 2018	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Business Acquisition [Line Items]
Acquisition and integration costs		$ 1,362	$ 1,333	$ 4,105	$ 1,333
Packet Design, LLC
Business Acquisition [Line Items]
Cash transaction for acquisition	$ 41,000
Acquisition and integration costs	$ 1,300
Customer relationships and contracts \| Packet Design, LLC
Business Acquisition [Line Items]
Estimated useful lives	3 years
Developed technology \| Packet Design, LLC
Business Acquisition [Line Items]
Estimated useful lives	5 years