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EMPLOYEE SEPARATION AND RESTRUCTURING COSTS - Integration Restructuring (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Restructuring Reserve [Roll Forward] |  |  |
Restructuring costs | $ 38.1 | $ 14.7 | $ 19.6
Clariant Color Acquisition Integration, Restructuring Plan |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Beginning balance | 8.1 | 6.0 | 0.0
Restructuring costs | 32.9 | 12.0 | 7.3
Payments, utilization and translation | (4.3) | (9.9) | (1.3)
Ending balance | 36.7 | 8.1 | 6.0
Workforce reductions | Clariant Color Acquisition Integration, Restructuring Plan |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Beginning balance | 7.5 | 5.6 | 0.0
Restructuring costs | 30.9 | 7.8 | 6.7
Payments, utilization and translation | (4.0) | (5.8) | (1.1)
Ending balance | 34.4 | 7.5 | 5.6
Plant closing and other | Clariant Color Acquisition Integration, Restructuring Plan |  |  |
Restructuring Reserve [Roll Forward] |  |  |
Beginning balance | 0.6 | 0.4 | 0.0
Restructuring costs | 2.1 | 4.2 | 0.6
Payments, utilization and translation | (0.3) | (4.1) | (0.2)
Ending balance | $ 2.3 | $ 0.6 | $ 0.4

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