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

The amount of identifiable intangible assets recognized as of the acquisition date.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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Business Combinations - Fair Value of Identifiable Intangible Assets Acquired (Details) - USD ($) $ in Millions				3 Months Ended
	Jan. 27, 2021	Nov. 30, 2020	Oct. 26, 2020	Dec. 31, 2021
Apstra
Business Acquisition [Line Items]
Intangible assets	$ 87.8
Apstra \| Existing technology
Business Acquisition [Line Items]
Weighted Average Estimated Useful Life (In Years)	5 years
Intangible assets	$ 80.5
Apstra \| Customer relationships
Business Acquisition [Line Items]
Weighted Average Estimated Useful Life (In Years)	1 year 6 months
Intangible assets	$ 7.3
WiteSand
Business Acquisition [Line Items]
Intangible assets				$ 9.3
WiteSand \| Existing technology
Business Acquisition [Line Items]
Weighted Average Estimated Useful Life (In Years)				5 years
Intangible assets				$ 9.3
128 Technology
Business Acquisition [Line Items]
Intangible assets		$ 116.7
128 Technology \| Existing technology
Business Acquisition [Line Items]
Weighted Average Estimated Useful Life (In Years)		5 years
Intangible assets		$ 88.0
128 Technology \| Customer relationships
Business Acquisition [Line Items]
Weighted Average Estimated Useful Life (In Years)		5 years
Intangible assets		$ 27.0
128 Technology \| Backlog
Business Acquisition [Line Items]
Weighted Average Estimated Useful Life (In Years)		1 year 6 months
Intangible assets		$ 1.7
Netrounds
Business Acquisition [Line Items]
Intangible assets			$ 8.7
Netrounds \| Existing technology
Business Acquisition [Line Items]
Weighted Average Estimated Useful Life (In Years)			4 years
Intangible assets			$ 5.3
Netrounds \| Customer relationships
Business Acquisition [Line Items]
Weighted Average Estimated Useful Life (In Years)			5 years
Intangible assets			$ 3.4