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Acquisitions and Divestitures - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions |  |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Jan. 03, 2022 | Oct. 01, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Jun. 30, 2022 | Dec. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2022
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Cash paid for acquisition of business |  |  |  |  |  | $ 643.9 |  | $ 37.1 | $ 128.6 |
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  |  |  |  | Other income (expense), net |  |  | Other income (expense), net |
Goodwill |  |  |  |  |  | $ 1,233.0 | $ 1,233.0 | $ 861.9 | $ 858.6 |
Disposal Group, Not Discontinued Operations | Multi Service Payment Solutions |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from divestiture of businesses, net of cash divested |  |  | $ 303.5 | $ 25.0 |  |  |  |  |  |
Deferred future payment from sale of business |  |  | 75.0 |  |  |  |  |  |  |
Deferred future payment from sale of business, portion based on future business performance |  |  | 50.0 |  |  |  |  |  |  |
Gain (loss) on disposal |  |  |  |  |  | $ (7.7) |  |  | $ 80.0 |
Flyers Energy Group |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business combination consideration transferred | $ 792.2 |  |  |  | $ 795.0 |  |  |  |  |
Cash paid for acquisition of business | 642.7 |  |  |  | 642.7 |  |  |  |  |
Estimated working capital | 19.7 |  |  |  |  |  |  |  |  |
Common stock issued to seller | $ 50.0 |  |  |  | 50.0 |  |  |  |  |
Common stock issued (in shares) | 1,768,034 |  |  |  |  |  |  |  |  |
Share price (in dollars per share) | $ 28.28 |  |  |  |  |  |  |  |  |
Amount due to sellers | $ 100.0 |  |  |  | 100.0 |  |  |  |  |
Percent to be released on each anniversary of closing | 50.00% |  |  |  |  |  |  |  |  |
Working capital adjustment paid to seller | $ (0.5) |  |  |  | $ 2.3 |  |  |  |  |
Revenue since acquisition |  |  |  |  |  |  | 3,400.0 |  |  |
Income before tax since acquisition |  |  |  |  |  |  | $ 71.2 |  |  |
Goodwill |  |  |  |  |  |  |  |  |  | $ 388.0
Universal Weather and Aviation, Inc. |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business combination consideration transferred |  | $ 41.4 | 159.0 |  |  |  |  |  |  |
Cash paid for acquisition of business |  |  | 129.0 |  |  |  |  |  |  |
Amount due to sellers |  |  | 30.0 |  |  |  |  |  |  |
Goodwill |  |  | 79.1 |  |  |  |  |  |  |
Goodwill, expected to be tax deductible |  |  | 70.2 |  |  |  |  |  |  |
Universal Weather and Aviation, Inc. | Customer relationships |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets acquired |  |  | $ 44.3 |  |  |  |  |  |  |

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