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v3.25.3

SEGMENT INFORMATION (Details 1) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 52 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Jun. 30, 2025 | Dec. 31, 2024
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | $ 1,713.2 |  |  | $ 1,589.5 |  |  | $ 5,115.7 | $ 4,868.8 |  |
Cost of goods sold | 1,529.8 |  |  | 1,455.0 |  |  | 4,645.5 | 4,289.2 |  |
Gross Profit | 183.4 |  |  | 134.5 |  |  | 470.2 | 579.6 |  |
Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |
Segment Reporting, Other Segment Item, Amount | (99.1) |  |  | (111.7) |  |  | (296.7) | (308.2) |  |
Restructuring charges | (2.9) | $ (7.4) | $ (4.0) | (7.9) | $ (6.8) | $ (8.3) | (14.3) | (23.0) | $ (240.7) |
Other Operating Income | 0.4 |  |  | 0.6 |  |  | 0.2 | 0.8 |  |
Interest Expense, Operating and Nonoperating | (46.8) |  |  | (48.4) |  |  | (142.1) | (139.6) |  |
Interest income | 1.6 |  |  | 1.0 |  |  | 4.0 | 2.7 |  |
Non-operating pension income | 4.9 |  |  | 6.7 |  |  | 15.5 | 19.4 |  |
Income (loss) before taxes | 41.5 |  |  | (25.2) |  |  | 36.8 | 131.7 |  |
Depreciation and amortization expense |  |  |  |  |  |  |  |  |  |
Depreciation and amortization | 133.8 |  |  | 130.2 |  |  | 395.9 | 388.9 |  |
Assets |  |  |  |  |  |  |  |  |  |
Assets | 7,600.9 |  |  | 7,518.3 |  |  | 7,600.9 | 7,518.3 |  | $ 7,579.1
United States |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 1,136.1 |  |  | 1,130.0 |  |  | 3,475.2 | 3,508.4 |  |
Europe |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 159.3 |  |  | 145.8 |  |  | 462.7 | 438.3 |  |
Other foreign |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 417.8 |  |  | 313.7 |  |  | 1,177.8 | 922.1 |  |
Chlor Alkali Products and Vinyls |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 924.0 |  |  | 871.6 |  |  | 2,828.0 | 2,676.5 |  |
Cost of goods sold | 758.0 |  |  | 778.7 |  |  | 2,431.8 | 2,323.2 |  |
Gross Profit | 166.0 |  |  | 92.9 |  |  | 396.2 | 353.3 |  |
Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |
Segment Reporting, Other Segment Item, Amount | (38.4) |  |  | (47.6) |  |  | (125.4) | (132.1) |  |
Restructuring charges | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 | (128.9) |
Other Operating Income | 0.0 |  |  |  |  |  | 0.0 | 0.0 |  |
Interest Expense, Operating and Nonoperating | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |  |
Interest income | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |  |
Non-operating pension income | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |  |
Income (loss) before taxes | 127.6 |  |  | 45.3 |  |  | 270.8 | 221.2 |  |
Depreciation and amortization expense |  |  |  |  |  |  |  |  |  |
Depreciation and amortization | 109.0 |  |  | 106.5 |  |  | 322.5 | 319.1 |  |
Assets |  |  |  |  |  |  |  |  |  |
Assets | 5,203.8 |  |  | 5,307.7 |  |  | 5,203.8 | 5,307.7 |  |
Chlor Alkali Products and Vinyls | United States |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 624.7 |  |  | 616.9 |  |  | 1,935.8 | 1,924.0 |  |
Chlor Alkali Products and Vinyls | Europe |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 48.4 |  |  | 48.5 |  |  | 123.6 | 129.3 |  |
Chlor Alkali Products and Vinyls | Other foreign |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 250.9 |  |  | 206.2 |  |  | 768.6 | 623.2 |  |
Epoxy |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 349.6 |  |  | 285.1 |  |  | 1,012.5 | 944.1 |  |
Cost of goods sold | 367.4 |  |  | 313.2 |  |  | 1,052.5 | 959.9 |  |
Gross Profit | (17.8) |  |  | (28.1) |  |  | (40.0) | (15.8) |  |
Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |
Segment Reporting, Other Segment Item, Amount | (14.4) |  |  | (14.7) |  |  | (44.3) | (41.8) |  |
Restructuring charges | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 | $ (111.8) |
Other Operating Income | 0.0 |  |  |  |  |  | 0.0 | 0.0 |  |
Interest Expense, Operating and Nonoperating | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |  |
Interest income | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |  |
Non-operating pension income | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |  |
Income (loss) before taxes | (32.2) |  |  | (42.8) |  |  | (84.3) | (57.6) |  |
Depreciation and amortization expense |  |  |  |  |  |  |  |  |  |
Depreciation and amortization | 13.2 |  |  | 13.7 |  |  | 39.1 | 40.6 |  |
Assets |  |  |  |  |  |  |  |  |  |
Assets | 923.8 |  |  | 924.5 |  |  | 923.8 | 924.5 |  |
Epoxy | United States |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 139.5 |  |  | 136.2 |  |  | 424.4 | 474.3 |  |
Epoxy | Europe |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 88.1 |  |  | 75.1 |  |  | 283.3 | 239.3 |  |
Epoxy | Other foreign |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 122.0 |  |  | 73.8 |  |  | 304.8 | 230.5 |  |
Winchester |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 439.6 |  |  | 432.8 |  |  | 1,275.2 | 1,248.2 |  |
Cost of goods sold | 398.5 |  |  | 356.8 |  |  | 1,143.7 | 985.9 |  |
Gross Profit | 41.1 |  |  | 76.0 |  |  | 131.5 | 262.3 |  |
Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |
Segment Reporting, Other Segment Item, Amount | (21.8) |  |  | (22.6) |  |  | (64.4) | (66.4) |  |
Restructuring charges | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |  |
Other Operating Income | 0.0 |  |  |  |  |  | 0.0 | 0.0 |  |
Interest Expense, Operating and Nonoperating | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |  |
Interest income | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |  |
Non-operating pension income | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |  |
Income (loss) before taxes | 19.3 |  |  | 53.4 |  |  | 67.1 | 195.9 |  |
Depreciation and amortization expense |  |  |  |  |  |  |  |  |  |
Depreciation and amortization | 7.8 |  |  | 8.5 |  |  | 25.2 | 24.7 |  |
Assets |  |  |  |  |  |  |  |  |  |
Assets | 924.5 |  |  | 797.5 |  |  | 924.5 | 797.5 |  |
Winchester | United States |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 371.9 |  |  | 376.9 |  |  | 1,115.0 | 1,110.1 |  |
Winchester | Europe |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 22.8 |  |  | 22.2 |  |  | 55.8 | 69.7 |  |
Winchester | Other foreign |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 44.9 |  |  | 33.7 |  |  | 104.4 | 68.4 |  |
Corporate/ other |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |  |
Cost of goods sold | 5.9 |  |  | 6.3 |  |  | 17.5 | 20.2 |  |
Gross Profit | (5.9) |  |  | (6.3) |  |  | (17.5) | (20.2) |  |
Income (Loss) before Income Taxes [Abstract] |  |  |  |  |  |  |  |  |  |
Segment Reporting, Other Segment Item, Amount | (24.5) |  |  | (26.8) |  |  | (62.6) | (67.9) |  |
Restructuring charges | (2.9) |  |  | (7.9) |  |  | (14.3) | (23.0) |  |
Other Operating Income | 0.4 |  |  | 0.6 |  |  | 0.2 | 0.8 |  |
Interest Expense, Operating and Nonoperating | 46.8 |  |  | 48.4 |  |  | 142.1 | 139.6 |  |
Interest income | 1.6 |  |  | 1.0 |  |  | 4.0 | 2.7 |  |
Non-operating pension income | 4.9 |  |  | 6.7 |  |  | 15.5 | 19.4 |  |
Income (loss) before taxes | (73.2) |  |  | (81.1) |  |  | (216.8) | (227.8) |  |
Depreciation and amortization expense |  |  |  |  |  |  |  |  |  |
Depreciation and amortization | 3.8 |  |  | 1.5 |  |  | 9.1 | 4.5 |  |
Assets |  |  |  |  |  |  |  |  |  |
Assets | 548.8 |  |  | 488.6 |  |  | 548.8 | 488.6 |  |
Corporate/ other | United States |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |  |
Corporate/ other | Europe |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | 0.0 |  |  | 0.0 |  |  | 0.0 | 0.0 |  |
Corporate/ other | Other foreign |  |  |  |  |  |  |  |  |  |
Gross Margin [Abstract] |  |  |  |  |  |  |  |  |  |
Sales | $ 0.0 |  |  | $ 0.0 |  |  | $ 0.0 | $ 0.0 |  |

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