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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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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

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Amount of liabilities assumed at the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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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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Business Combinations - Net Assets Acquired (Details) - USD ($) $ in Thousands	1 Months Ended
	Oct. 31, 2020	Apr. 30, 2019	Aug. 31, 2018	Jan. 31, 2021	Feb. 02, 2020
Business Acquisition [Line Items]
Goodwill				$ 358,736	$ 37,584
Portworx
Business Acquisition [Line Items]
Goodwill	$ 321,152
Cash	4,407
Net liabilities assumed	(4,063)
Total	352,851
Portworx \| Developed technology
Business Acquisition [Line Items]
Finite-lived intangibles acquired	$ 21,273
Useful life (in years)	5 years
Portworx \| Customer relationships
Business Acquisition [Line Items]
Finite-lived intangibles acquired	$ 6,459
Useful life (in years)	7 years
Portworx \| Trade name
Business Acquisition [Line Items]
Finite-lived intangibles acquired	$ 3,623
Useful life (in years)	3 years
Compuverde AB
Business Acquisition [Line Items]
Goodwill		$ 26,600
Net liabilities assumed		(11,700)
Compuverde AB \| Developed technology
Business Acquisition [Line Items]
Finite-lived intangibles acquired		$ 38,400
Useful life (in years)		7 years
StorReduce, Inc.
Business Acquisition [Line Items]
Goodwill			$ 11,000
Net liabilities assumed			(4,500)
StorReduce, Inc. \| Developed technology
Business Acquisition [Line Items]
Finite-lived intangibles acquired			$ 17,700
Useful life (in years)			7 years