RESTRUCTURING ACTIVITIES (Tables)
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6 Months Ended |
Jun. 30, 2026 |
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| RESTRUCTURING ACTIVITIES |
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| Schedule of restructuring charges (credits) incurred |
| | | | | | | | | Three Months Ended | | Six Months Ended | | | June 30, | | June 30, | 2025 Restructuring Plan Charges by Segment | | 2026 | | 2026 | Engineered Materials | | $ | 5.9 | | $ | 12.5 | Polymer Solutions | | | 2.2 | | | 3.6 | Total | | $ | 8.1 | | $ | 16.1 |
| | | | | | | | | Three Months Ended | | Six Months Ended | | | June 30, | | June 30, | 2025 Restructuring Plan Charges (Credits) | | 2026 | | 2026 | Severance and related benefit credits (credits) | | $ | (3.0) | | $ | (3.0) | Asset related charges | | | 4.5 | | | 9.6 | Contract terminations | | | 6.6 | | | 9.5 | Total | | $ | 8.1 | | $ | 16.1 |
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| 2025 Restructuring plan |
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| RESTRUCTURING ACTIVITIES |
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| Schedule of liability balances |
| | | | | | | | | | | | | 2025 Restructuring Plan | | Severance and Related Benefit Cost | | Asset Related Charges (2) | | Contract Terminations | | Total | Reserve balance at December 31, 2025 | | $ | 11.1 | | $ | — | | $ | 21.9 | | $ | 33.0 | Restructuring charges (credits) | | | (3.0) | | | 6.3 | | | 9.5 | | | 12.8 | Payments (1) | | | (0.5) | | | (4.6) | | | (11.4) | | | (16.5) | Asset write-offs | | | — | | | (1.7) | | | — | | | (1.7) | Reserve balance at June 30, 2026 | | $ | 7.6 | | $ | — | | $ | 20.0 | | $ | 27.6 |
| (1) | Includes immaterial impacts of foreign currency remeasurement. |
| (2) | Does not include $1.9 million of accelerated depreciation and $1.4 million of accretion expense incurred during the six months ended June 30, 2026 related to the asset retirement obligation at Schkopau and Porto Marghera. Refer to Note 13 for further information on the asset retirement obligation activity at Schkopau and Porto Marghera. |
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| 2024 Restructuring Plan and Stade Shutdown |
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| RESTRUCTURING ACTIVITIES |
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| Schedule of restructuring charges (credits) incurred |
| | | | | | | | | | | | | | | Three Months Ended | | Six Months Ended | | | June 30, | | June 30, | 2024 Restructuring Plan and Stade Shutdown Charges (Credits) by Segment | | 2026 | | 2025 | | 2026 | | 2025 | Engineered Materials | | $ | (0.1) | | $ | 0.1 | | $ | (0.1) | | $ | (0.2) | Latex Binders | | | (0.2) | | | — | | | (0.2) | | | — | Polymer Solutions | | | 1.3 | | | 6.0 | | | 2.6 | | | 8.6 | Corporate (1) | | | — | | | (0.1) | | | — | | | — | Total | | $ | 1.0 | | $ | 6.0 | | $ | 2.3 | | $ | 8.4 |
| (1) | The charges related to this restructuring plan that were not allocated to a specific segment were included within Corporate as unallocated charges. |
| | | | | | | | | | | | | | | Three Months Ended | | Six Months Ended | | | June 30, | | June 30, | 2024 Restructuring Plan and Stade Shutdown Charges (Credits) | | 2026 | | 2025 | | 2026 | | 2025 | Severance and related benefit costs (credits) | | $ | (0.3) | | $ | 0.5 | | $ | (0.2) | | $ | (0.1) | Asset related charges | | | 0.3 | | | 0.5 | | | 0.6 | | | 1.5 | Contract terminations | | | 1.0 | | | 5.0 | | | 1.9 | | | 7.0 | Total | | $ | 1.0 | | $ | 6.0 | | $ | 2.3 | | $ | 8.4 |
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| Schedule of liability balances |
| | | | | | | | | | | | | 2024 Restructuring Plan and Stade Shutdown | | Severance and Related Benefit Cost | | Asset Related Charges (2) | | Contract Terminations | | Total | Reserve balance at December 31, 2025 | | $ | 14.2 | | $ | — | | $ | — | | $ | 14.2 | Restructuring charges (credits) | | | (0.2) | | | — | | | 1.9 | | | 1.7 | Payments (1) | | | (9.9) | | | — | | | (1.9) | | | (11.8) | Reserve balance at June 30, 2026 | | $ | 4.1 | | $ | — | | $ | — | | $ | 4.1 |
| (1) | Includes immaterial impacts of foreign currency remeasurement. |
| (2) | Excludes $0.3 million and $0.6 million, respectively, of accretion expense incurred during the three and six months ended June 30, 2026 related to the asset retirement obligation liability at Stade, Germany. Refer to Note 13 for further information on the asset retirement obligation activity at Stade, Germany. |
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| 2023 Asset Optimization and Corporate Restructuring |
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| RESTRUCTURING ACTIVITIES |
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| Schedule of restructuring charges (credits) incurred |
| | | | | | | | | | | | | | | Three Months Ended | | Six Months Ended | 2023 Asset Optimization and Corporate Restructuring Plan | | June 30, | | June 30, | Charges (Credits) by Segment | | 2026 | | 2025 | | 2026 | | 2025 | Engineered Materials | | $ | — | | $ | — | | $ | — | | $ | 0.1 | Polymer Solutions | | | 1.3 | | | 4.1 | | | 2.8 | | | 6.5 | Corporate (1) | | | — | | | — | | | — | | | (0.1) | Total | | $ | 1.3 | | $ | 4.1 | | $ | 2.8 | | $ | 6.5 |
| (1) | The charges related to this restructuring plan that were not allocated to a specific segment were included within Corporate as unallocated charges. |
| | | | | | | | | | | | | | | Three Months Ended | | Six Months Ended | 2023 Asset Optimization and Corporate Restructuring Plan | | June 30, | | June 30, | Charges | | 2026 | | 2025 | | 2026 | | 2025 | Severance and related benefit costs | | $ | — | | $ | 0.6 | | $ | — | | $ | 1.0 | Asset related charges | | | 1.3 | | | 3.5 | | | 2.8 | | | 5.5 | Total | | $ | 1.3 | | $ | 4.1 | | $ | 2.8 | | $ | 6.5 |
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| Schedule of liability balances |
| | | | | | | | | | 2023 Asset Optimization and Corporate Restructuring Plan | | Severance and Related Benefit Cost | | Asset Related Charges | | Total | Reserve balance at December 31, 2025 | | $ | 1.1 | | $ | — | | $ | 1.1 | Restructuring charges | | | — | | | 2.8 | | | 2.8 | Payments (1) | | | (0.1) | | | (2.8) | | | (2.9) | Reserve balance at June 30, 2026 | | $ | 1.0 | | $ | — | | $ | 1.0 |
| (1) | Includes immaterial impacts of foreign currency remeasurement. |
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| 2022 Asset restructuring plan |
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| RESTRUCTURING ACTIVITIES |
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| Schedule of restructuring charges (credits) incurred |
| | | | | | | | | | | | | | | Three Months Ended | | Six Months Ended | | | June 30, | | June 30, | 2022 Asset Restructuring Plan Charges (Credits) by Segment | | 2026 | | 2025 | | 2026 | | 2025 | Engineered Materials | | $ | — | | $ | — | | $ | — | | $ | (0.3) | Polymer Solutions | | | 0.3 | | | 0.7 | | | 0.5 | | | (6.8) | Total | | $ | 0.3 | | $ | 0.7 | | $ | 0.5 | | $ | (7.1) |
| | | | | | | | | | | | | | | Three Months Ended | | Six Months Ended | | | June 30, | | June 30, | 2022 Asset Restructuring Plan Charges (Credits) by Segment | | 2026 | | 2025 | | 2026 | | 2025 | Severance and related benefit costs (credits) | | $ | (0.1) | | $ | — | | $ | (0.1) | | $ | (0.3) | Asset related charges (credits) (1) | | | — | | | — | | | 0.1 | | | (8.1) | Contract terminations | | | 0.4 | | | 0.7 | | | 0.5 | | | 1.3 | Total | | $ | 0.3 | | $ | 0.7 | | $ | 0.5 | | $ | (7.1) |
| (1) | Asset related charges (credits) include activities related to an asset retirement obligation at Boehlen, Germany. For the six months ended June 30, 2025, the Company recorded a credit of $(8.1) million reflecting a change in cost estimate related to the asset retirement obligation as the Company was able to realize efficiencies during the initial phase of site demolition. |
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| Schedule of liability balances |
| | | | | | | | | | | | | 2022 Asset Restructuring Plan | | Severance and Related Benefit Cost | | Asset Related Charges | | Contract Terminations | | Total | Reserve balance at December 31, 2025 | | $ | 0.5 | | $ | — | | $ | — | | $ | 0.5 | Restructuring charges (credits) | | | (0.1) | | | 0.1 | | | 0.5 | | | 0.5 | Payments (1) | | | (0.4) | | | (0.1) | | | (0.5) | | | (1.0) | Reserve balance at June 30, 2026 | | $ | — | | $ | — | | $ | — | | $ | — |
| (1) | Includes immaterial impacts of foreign currency remeasurement. |
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