Acquisitions - Narrative (Details) - Tactic Knowledge Inc. $ in Millions		3 Months Ended	6 Months Ended
May 29, 2021 USD ($) employee	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Business Acquisition [Line Items]
Percentage of voting interests acquired	100.00%
Number of employees acquired \| employee	180
Consideration transferred	$ 37.6
Payments to acquire business	33.6
Fair value of contingent consideration issued for acquisition of business	4.0
Maximum contingent consideration	$ 5.0
Estimated future operating results period	12 months
Cash and cash equivalents		$ 3.0
Increase in goodwill			$ 0.7
Pro forma information, revenue of acquiree		$ 7.1

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

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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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For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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

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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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