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

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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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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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This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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Fair value at acquisition-date of the equity interest in the acquiree held by the acquirer, immediately before the acquisition date for businesses combined in stages.

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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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Acquisitions - Narrative (Details) - USD ($) $ in Thousands, shares in Millions			12 Months Ended
	Jul. 06, 2020	May 01, 2020	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Business Acquisition [Line Items]
Cash paid, excluding cash acquired			$ 5,300	$ 15,500	$ 0
Goodwill			350,151	$ 194,882	$ 195,225
Seal Software Group Limited
Business Acquisition [Line Items]
Cash paid, excluding cash acquired		$ 184,700
Acquisition costs			6,200
Revenue since acquisition date			16,300
Earnings or loss since acquisition date			(20,100)
Goodwill			114,663
Seal Software Group Limited \| UK Tax
Business Acquisition [Line Items]
Tax deductible amount of goodwill			5,300
Seal Software Group Limited \| US Federal Income Tax
Business Acquisition [Line Items]
Tax deductible amount of goodwill			0
Seal Software Group Limited \| Backlog—subscription
Business Acquisition [Line Items]
Minority investment		$ 15,000
Liveoak Technologies
Business Acquisition [Line Items]
Acquisition costs			$ 1,800
Consideration transferred	$ 48,400
Goodwill	$ 39,900
RSUs with vesting conditions \| Seal Software Group Limited
Business Acquisition [Line Items]
Granted restricted stock (up to) (in shares)		0.1
Grant date fair value		$ 11,400