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Acquisitions, Discontinued Operations, and the Asbestos Portfolio Sale- Acquisition of ASPEQ (Details) - USD ($) $ in Millions | Feb. 07, 2024 | Jun. 02, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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Asset acquired : |  |  |  |  |
Goodwill |  |  | $ 834.5 | $ 704.8 | $ 455.3
Ingénia Technologies Inc. |  |  |  |  |
Asset acquired : |  |  |  |  |
Current assets, including cash and equivalents of $0.9 | $ 31.2 |  |  |  |
Property, plant and equipment | 73.6 |  |  |  |
Goodwill | 142.4 |  | $ 133.6 |  |
Intangible assets | 97.9 |  |  |  |
Total assets acquired | 345.1 |  |  |  |
Current liabilities assumed | 14.5 |  |  |  |
Deferred and other income taxes | 37.1 |  |  |  |
Net assets acquired | 293.5 |  |  |  |
Cash acquired from acquisition | $ 1.5 |  |  |  |
ASPEQ Parent Holdings, Inc. |  |  |  |  |
Asset acquired : |  |  |  |  |
Current assets, including cash and equivalents of $0.9 |  | $ 38.0 |  |  |
Property, plant and equipment |  | 10.6 |  |  |
Goodwill |  | 195.0 |  |  |
Intangible assets |  | 246.1 |  |  |
Other assets |  | 1.2 |  |  |
Total assets acquired |  | 490.9 |  |  |
Current liabilities assumed |  | 11.1 |  |  |
Non-current liabilities assumed |  | 57.4 |  |  |
Net assets acquired |  | 422.4 |  |  |
Deferred income tax liabilities |  | 56.4 |  |  |
Other liabilities |  | 1.0 |  |  |
Cash acquired from acquisition |  | $ 0.9 |  |  |

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