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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Number of shares of equity interests issued or issuable to acquire entity.

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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.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of tangible or intangible assets, including a business or subsidiary of the acquirer transferred by the entity to the former owners of the acquiree. Excludes cash.

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- Definition

Amount of asset recognized arising from contingent consideration in a business combination.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

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The number of businesses acquired by the entity during the period.

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

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Percentage of vesting of award under share-based payment arrangement.

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Acquisitions - Additional Information (Details) $ in Millions				3 Months Ended		6 Months Ended	9 Months Ended
	Oct. 29, 2021 trading_day shares	May 11, 2021 USD ($)	Mar. 31, 2021 USD ($) shares	Oct. 31, 2021 USD ($) business_combination	Oct. 31, 2020 USD ($)	Jul. 31, 2021 USD ($)	Oct. 31, 2021 USD ($)	Oct. 31, 2020 USD ($)
Business Acquisition [Line Items]
Fair value of common stock issued related to business combination							$ 2.6	$ 0.0
Allocated share-based compensation expense				$ 143.7	$ 97.4		412.7	$ 291.5
Consecutive trading days \| trading_day	90
Other Aquisition
Business Acquisition [Line Items]
Number of businesses combinations \| business_combination				1
Consideration transferred				$ 33.5
Payments to acquire businesses				33.3
Business combination, contingent consideration, liability				0.2			0.2
Upchain
Business Acquisition [Line Items]
Consideration transferred		$ 139.8
Payments to acquire businesses		126.7
Business combination, contingent consideration, liability		$ 13.1
Business acquired outstanding percentage (in percentage)		100.00%
Fair value of common stock issued related to business combination		$ 13.1
Business combination, consideration transferred, other		$ 123.6
Allocated share-based compensation expense						$ 3.1
Business acquisition, equity interest issued or issuable, number of shares (in shares) \| shares	43,000
Goodwill				86.7			86.7
Upchain \| Share-based Compensation Award, Tranche One
Business Acquisition [Line Items]
Vesting rights, percentage (in percentage)		40.00%
Upchain \| Share-based Compensation Award, Tranche Two
Business Acquisition [Line Items]
Vesting rights, percentage (in percentage)		60.00%
Innovyze, Inc.
Business Acquisition [Line Items]
Consideration transferred			$ 1,038.1
Payments to acquire businesses			1,035.5
Fair value of common stock issued related to business combination			2.6
Business combination, consideration transferred, other			$ 1,035.5
Business acquisition, equity interest issued or issuable, number of shares (in shares) \| shares			9,277
Business combination, contingent consideration, asset			$ 2.6
Percentage of restricted common stock released (in percentage)			50.00%
Goodwill				$ 376.2			$ 376.2