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SPECIAL (GAINS) AND CHARGES - Restructuring and Non-Restructuring Activity (Details) - USD ($) $ in Millions |  | 3 Months Ended | 6 Months Ended | 24 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Apr. 27, 2024 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023 | Jul. 30, 2024 | Feb. 28, 2023
Other restructuring information |  |  |  |  |  |  |  |
Sale of global surgical solutions business |  | $ 7.3 |  | $ 13.3 |  |  |  |
Business combination advisory and legal fees, pre tax |  | 2.3 | $ 3.5 | 4.8 | $ 8.5 |  |  |
Special (gains) and charges |  | 12.2 | 21.0 | 40.4 | 45.5 |  |  |
Non-restructuring Special (Gains) and Charges |  |  |  |  |  |  |  |
Accounts payable |  | 1,690.7 |  | 1,690.7 |  | $ 1,566.3 |  |
Other current liabilities |  | 1,410.8 |  | 1,410.8 |  | 1,334.9 |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Global surgical solutions business |  |  |  |  |  |  |  |
Other restructuring information |  |  |  |  |  |  |  |
Sale of global surgical solutions business | $ 7.3 |  |  | 13.3 |  |  |  |
Services from professionals, net of tax. | $ 3.1 |  |  | 1.4 |  |  |  |
Special (gains) and charges |  |  |  |  |  |  |  |
Other restructuring information |  |  |  |  |  |  |  |
Restructuring charges incurred, pre-tax |  | 6.9 | 13.7 | 25.0 | 26.3 |  |  |
Business combination advisory and legal fees, pre tax |  | 2.3 |  | 4.8 | 8.5 |  |  |
Business combination advisory and legal fees, after tax |  |  |  | 3.6 | 6.4 |  |  |
Special (gains) and charges |  | 12.2 | 21.0 | 40.4 | 45.5 |  |  |
Other special gains and charges |  | (4.3) | 3.8 | (2.7) | 10.7 |  |  |
Non-restructuring Special (Gains) and Charges |  |  |  |  |  |  |  |
Business combination and integration related costs, pre tax |  |  | 3.5 |  |  |  |  |
Business combination and integration related costs, after tax |  | 1.7 | 2.7 |  |  |  |  |
Cost of sales |  |  |  |  |  |  |  |
Other restructuring information |  |  |  |  |  |  |  |
Restructuring charges incurred, pre-tax |  | 0.7 | 8.1 | 2.3 | 11.3 |  |  |
Special (gains) and charges |  | 0.7 | 8.1 | 2.3 | 11.3 |  |  |
Specific legal reserve and related legal charges |  |  |  |  |  |  |  |
Other restructuring information |  |  |  |  |  |  |  |
Other special gains and charges |  | 4.3 | 3.8 | 2.7 | 10.7 |  |  |
Other special gains and charges, after-tax |  | 3.1 | 2.8 | 2.2 | 8.2 |  |  |
Other Restructuring Plan |  |  |  |  |  |  |  |
Restructuring |  |  |  |  |  |  |  |
Recorded expense |  | 10.6 |  |  |  |  |  |
Other restructuring information |  |  |  |  |  |  |  |
Restructuring charge expected to be incurred, pre-tax |  | 5.3 |  | 5.3 |  |  |  |
Restructuring charge expected to be incurred, after tax |  | 4.0 |  | 4.0 |  |  |  |
Restructuring charges, after tax |  | 8.0 |  |  |  |  |  |
Prior Year Plans |  |  |  |  |  |  |  |
Other restructuring information |  |  |  |  |  |  |  |
Restructuring liability |  | 9.0 |  | 9.0 |  |  |  |
Combined Program |  |  |  |  |  |  |  |
Restructuring |  |  |  |  |  |  |  |
Recorded expense (income) and accrual |  | 22.0 |  |  |  | 144.9 |  |
Net cash payments |  | (26.9) |  |  |  | (107.1) |  |
Non-cash charges |  | (0.7) |  |  |  | (14.0) |  |
Reclassification |  | (5.3) |  |  |  | 19.3 |  |
Other restructuring information |  |  |  |  |  |  |  |
Restructuring charge expected to be incurred, pre-tax |  |  | 19.3 |  | 19.3 |  |  | $ 195.0
Restructuring charge expected to be incurred, after tax |  |  | 14.5 |  | 14.5 |  |  | $ 150.0
Restructuring liability |  | 32.2 |  | 32.2 |  | 43.1 |  |
Restructuring charges incurred, pre-tax |  | 180.9 |  |  |  |  |  |
Restructuring charges incurred, after tax |  | 150.1 |  |  |  |  |  |
Combined Program | Employee termination costs |  |  |  |  |  |  |  |
Restructuring |  |  |  |  |  |  |  |
Recorded expense (income) and accrual |  | 3.8 |  |  |  | 114.2 |  |
Net cash payments |  | (18.8) |  |  |  | (90.4) |  |
Reclassification |  |  |  |  |  | 19.3 |  |
Other restructuring information |  |  |  |  |  |  |  |
Restructuring liability |  | 28.1 |  | 28.1 |  | 43.1 |  |
Restructuring charges incurred, pre-tax |  | 2.3 | 19.7 | 22.0 | 33.1 |  |  |
Restructuring charges incurred, after tax |  | 1.4 | $ 16.2 | 17.2 | $ 26.4 |  |  |
Combined Program | Asset disposals |  |  |  |  |  |  |  |
Restructuring |  |  |  |  |  |  |  |
Recorded expense (income) and accrual |  | 0.7 |  |  |  | 14.0 |  |
Non-cash charges |  | (0.7) |  |  |  | (14.0) |  |
Combined Program | Other. |  |  |  |  |  |  |  |
Restructuring |  |  |  |  |  |  |  |
Recorded expense (income) and accrual |  | 17.5 |  |  |  | 16.7 |  |
Net cash payments |  | (8.1) |  |  |  | $ (16.7) |  |
Reclassification |  | (5.3) |  |  |  |  |  |
Other restructuring information |  |  |  |  |  |  |  |
Restructuring liability |  | $ 4.1 |  | $ 4.1 |  |  |  |
One Ecolab Initiative Program [Member] |  |  |  |  |  |  |  |
Other restructuring information |  |  |  |  |  |  |  |
Restructuring charge expected to be incurred, pre-tax |  |  |  |  |  |  | $ 175.0 |
Restructuring charge expected to be incurred, after tax |  |  |  |  |  |  | 136.0 |
One Ecolab Initiative Program [Member] | Special (gains) and charges |  |  |  |  |  |  |  |
Other restructuring information |  |  |  |  |  |  |  |
Restructuring charge expected to be incurred, pre-tax |  |  |  |  |  |  | 50.0 |
Restructuring charge expected to be incurred, after tax |  |  |  |  |  |  | $ 39.0 |

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