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v3.25.1

GOODWILL AND OTHER INTANGIBLE ASSETS (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 USD ($) | Mar. 31, 2025 USD ($) segment | Mar. 31, 2025 USD ($) item | Mar. 31, 2024 USD ($) | Dec. 31, 2024 USD ($)
Changes in the carrying amount of goodwill for each of the company's reportable segments |  |  |  |  |
Impairment of goodwill | $ 0.0 |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |  |
Beginning goodwill | 7,907.3 |  |  |  |
Goodwill revised |  |  |  |  | $ 7,907.3
Effect of foreign currency translation | (42.8) |  |  |  |
Ending goodwill | 7,864.5 |  |  |  | 7,907.3
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 | 218.1 | $ 218.1 | $ 218.1 |  |
Total amortization expense related to other intangible assets | 74.9 |  |  | $ 77.8 |
Nalco Holding Company ("Nalco") | Trademarks |  |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |  |
Impairment of indefinite life intangible asset | 0.0 |  |  |  |
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 | (3.1) |  |  |  |
Ending goodwill | 1,021.2 |  |  |  | 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 | (14.9) |  |  |  |
Ending goodwill | 2,393.8 |  |  |  | 2,819.8
Global Pest Elimination |  |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |  |
Beginning goodwill | 169.4 |  |  |  |
Goodwill revised |  |  |  |  | 169.4
Effect of foreign currency translation | (0.4) |  |  |  |
Ending goodwill | 169.0 |  |  |  | 169.4
Global Water |  |  |  |  |
Changes in the carrying amount of goodwill |  |  |  |  |
Beginning goodwill | 4,304.9 |  |  |  |
Goodwill revised |  |  |  |  | 4,304.9
Effect of foreign currency translation | (24.4) |  |  |  |
Ending goodwill | $ 4,280.5 |  |  |  | $ 4,304.9

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