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Business Combinations - Narratives (Details) - USD ($) $ in Millions |  |  |  |  | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2023 | Mar. 17, 2023 | May 31, 2022 | May 16, 2022 | Jun. 30, 2023 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022 | Apr. 30, 2021 | Dec. 23, 2020 | Nov. 03, 2020
Business Acquisition |  |  |  |  |  |  |  |  |  |  |
Acquisition of businesses, net of cash acquired |  |  |  |  |  | $ 4,339.8 | $ 25.3 |  |  |  |
Contingent consideration |  |  |  |  | $ 12.0 | 12.0 |  | $ 17.3 |  |  |
Howden Industries |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |
Total consideration |  | $ 4,404.9 |  |  |  |  |  |  |  |  |
Revenue, actual |  |  |  |  | 571.8 |  |  |  |  |  |
Operating income, actual | $ 10.1 |  |  |  |  |  |  |  |  |  |
Transaction costs |  |  |  |  | 25.4 | 25.4 |  | 4.9 |  |  |
Pension assets |  | 38.7 |  |  |  |  |  |  |  |  |
Pension liabilities |  | 41.1 |  |  |  |  |  |  |  |  |
Pension assets and pension liabilities, net |  | 2.4 |  |  |  |  |  |  |  |  |
Cash consideration |  | $ 2,788.3 |  |  |  |  |  |  |  |  |
Identifiable intangible assets |  |  |  |  | 2,551.0 | 2,551.0 |  |  |  |  |
Other assets |  |  |  |  | 168.1 | 168.1 |  |  |  |  |
Contingent consideration |  |  |  |  |  |  |  |  | $ 1.2 |  |
Earn out provision |  |  |  |  |  |  |  |  | $ 1.7 |  |
Howden Industries | Previously Reported |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets | 2,591.0 |  |  |  |  |  |  |  |  |  |
Other assets | $ 168.1 |  |  |  |  |  |  |  |  |  |
Fronti Fabrications, Inc. |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |
Voting percentage acquired |  |  | 100.00% |  |  |  |  |  |  |  |
Cash consideration |  |  | $ 20.6 |  |  |  |  |  |  |  |
Acquisition of businesses, net of cash acquired |  |  | 20.4 |  |  |  |  |  |  |  |
Cash acquired from acquisition |  |  | 0.2 |  |  |  |  |  |  |  |
Net assets acquired |  |  | 14.4 |  |  |  |  |  |  |  |
Identifiable intangible assets |  |  | 5.3 |  |  |  |  |  |  |  |
Other assets |  |  | 0.9 |  |  |  |  |  |  |  |
Fronti Fabrications, Inc. | Previously Reported |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |
Net assets acquired |  |  | 14.3 |  |  |  |  |  |  |  |
Identifiable intangible assets |  |  | 5.3 |  |  |  |  |  |  |  |
Other assets |  |  | $ 1.0 |  |  |  |  |  |  |  |
CSC Cryogenic Service Center AB |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |
Voting percentage acquired |  |  |  | 100.00% |  |  |  |  |  |  |
Cash consideration |  |  |  | $ 3.8 |  |  |  |  |  |  |
SES |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |
Contingent consideration |  |  |  |  | 9.3 | 9.3 |  | 16.3 |  | $ 16.9 |
SES | Minimum |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |
Contingent consideration |  |  |  |  | 0.0 | 0.0 |  |  |  |  |
SES | Maximum |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |
Contingent consideration |  |  |  |  | 25.0 | 25.0 |  |  |  |  |
BIG |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |
Contingent consideration |  |  |  |  | $ 0.0 | $ 0.0 |  | $ 1.0 |  |  | $ 3.2
Earthly Labs Inc. |  |  |  |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |  |  |  |
Contingent percent (as a percentage) |  |  |  |  | 4.00% | 4.00% |  |  |  |  |

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