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GOODWILL AND OTHER INTANGIBLE ASSETS (Details) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 USD ($) item | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) | Sep. 30, 2025 USD ($) segment | Sep. 30, 2025 USD ($) item | Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Changes in the carrying amount of goodwill for each of the company's reportable segments |  |  |  |  |  |  |
Number of reporting units | item | 7 |  |  |  |  |  |
Impairment of goodwill |  |  | $ 0.0 |  |  |  | $ 0.0
Changes in the carrying amount of goodwill |  |  |  |  |  |  |
Beginning goodwill |  |  | 7,907.3 |  |  |  |
Goodwill revised |  |  |  |  |  |  | 7,907.3
Prior year business combinations |  |  | 5.7 |  |  |  |
Effect of foreign currency translation |  |  | 200.0 |  |  |  |
Ending goodwill | $ 8,113.0 |  | 8,113.0 |  |  |  | 7,907.3
Impairment of indefinite life intangible asset |  |  | 0.0 |  |  |  |
Carrying Amount | 1,200.0 |  | 1,200.0 | $ 1,200.0 | $ 1,200.0 |  |
Number of operating units |  |  |  | 7 | 7 |  |
Future estimated amortization expense related to amortizable other identifiable intangible assets |  |  |  |  |  |  |
Estimated expense for the remaining nine-month period | 75.5 |  | 75.5 | $ 75.5 | $ 75.5 |  |
Total amortization expense related to other intangible assets | 76.6 | $ 73.3 | 226.5 |  |  | $ 226.2 |
Global Institutional and Specialty |  |  |  |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |  |  |  |
Beginning goodwill |  |  | 613.2 |  |  |  |
Goodwill revised |  |  |  |  |  |  | 1,024.3
Segment changes/Transferred to held for sale |  |  |  |  |  |  | 411.1
Effect of foreign currency translation |  |  | 18.9 |  |  |  |
Ending goodwill | 1,043.2 |  | 1,043.2 |  |  |  | 613.2
Global Life Sciences |  |  |  |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |  |  |  |
Beginning goodwill |  |  | 2,819.8 |  |  |  |
Goodwill revised |  |  |  |  |  |  | 2,408.7
Segment changes/Transferred to held for sale |  |  |  |  |  |  | (411.1)
Effect of foreign currency translation |  |  | 89.8 |  |  |  |
Ending goodwill | 2,498.5 |  | 2,498.5 |  |  |  | 2,819.8
Global Pest Elimination |  |  |  |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |  |  |  |
Beginning goodwill |  |  | 169.4 |  |  |  |
Goodwill revised |  |  |  |  |  |  | 169.4
Prior year business combinations |  |  | 0.1 |  |  |  |
Effect of foreign currency translation |  |  | 2.7 |  |  |  |
Ending goodwill | 172.2 |  | 172.2 |  |  |  | 169.4
Global Water |  |  |  |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |  |  |  |
Beginning goodwill |  |  | 4,304.9 |  |  |  |
Goodwill revised |  |  |  |  |  |  | 4,304.9
Prior year business combinations |  |  | 5.6 |  |  |  |
Effect of foreign currency translation |  |  | 88.6 |  |  |  |
Ending goodwill | $ 4,399.1 |  | $ 4,399.1 |  |  |  | $ 4,304.9

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