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Acquisitions - Narrative (Details) - USD ($) | 3 Months Ended | 7 Months Ended | 9 Months Ended | 13 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2022 | Sep. 30, 2022 | Sep. 30, 2021 | Feb. 21, 2022
Business Acquisition [Line Items] |  |  |  |  |  |  |
Goodwill acquired during period |  |  |  | $ 48,768,000 |  |  | $ 127,400,000
Goodwill deductible for tax purposes | $ 2,000,000 |  | $ 2,000,000 | 2,000,000 | $ 2,000,000 |  |
Transaction (gain) expense | (300,000) | $ 100,000 |  | 4,600,000 |  | $ 6,200,000 |
Customer relationships | Series of Individually Immaterial Asset Acquisitions |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Finite-lived intangible assets acquired | 0 | $ 0 |  | $ 0 |  | $ 0 |
BA Insight |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Revenues since acquisition date | 2,400,000 |  | $ 5,200,000 |  |  |  |
Objectif Lune |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Revenues since acquisition date | $ 5,100,000 |  |  |  | $ 15,500,000 |  |

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- Definition The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e6927-128479 + Details
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