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BUSINESS SEGMENTS - Schedule of Segment Reporting Information by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Revenue from External Customer [Line Items] |  |  |  |
Net Sales | $ 188,353 | $ 140,596 | $ 520,487 | $ 428,164
Sales | 194,942 | 146,064 | 538,796 | 443,976
Plant shutdowns, asset impairments, restructurings and other | 915 | 2,170 | 2,138 | 5,570
Interest income | 6 | 5 | 16 | 30
Interest expense | 768 | 1,192 | 3,566 | 3,515
Gain on investment in kaléo |  |  | 0 | 144
Corporate expenses, net | 7,815 | 5,554 | 21,619 | 16,730
Income (loss) from continuing operations before income taxes | 9,123 | (2,561) | 13,184 | 11,560
Income tax expense (benefit) | 2,014 | 828 | 3,575 | 3,175
Net income (loss) from continuing operations | 7,109 | (3,389) | 9,609 | 8,385
Income (loss) from discontinued operations, net of tax | (35) | (557) | 9,297 | (251)
Net income (loss) | 7,074 | (3,946) | 18,906 | 8,134
kaleo [Member] |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Gain on investment in kaléo |  | 0 |  | 144
Aluminum Extrusions |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Net Sales | 162,470 | 115,717 | 444,470 | 349,353
Variable costs | 124,462 | 90,397 | 344,043 | 263,007
Manufacturing fixed costs | 11,906 | 10,218 | 34,879 | 29,726
Selling, general and administrative costs | 8,948 | 8,549 | 28,489 | 24,319
Other | 346 | 376 | 1,808 | 677
EBITDA from ongoing operations | 16,808 | 6,177 | 35,251 | 31,624
PE Films |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Net Sales | 25,883 | 24,879 | 76,017 | 78,811
Variable costs | 11,922 | 12,294 | 35,586 | 37,522
Manufacturing fixed costs | 3,785 | 3,496 | 10,487 | 9,832
Selling, general and administrative costs | 2,961 | 3,173 | 8,420 | 8,480
Other | (6) | 40 | 70 | 64
EBITDA from ongoing operations | 7,221 | 5,876 | 21,454 | 22,913
Subtotal |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Variable costs | 136,384 | 102,691 | 379,629 | 300,529
Manufacturing fixed costs | 15,691 | 13,714 | 45,366 | 39,558
Selling, general and administrative costs | 11,909 | 11,722 | 36,909 | 32,799
Other | 340 | 416 | 1,878 | 741
EBITDA from ongoing operations | 24,029 | 12,053 | 56,705 | 54,537
Depreciation and amortization | 5,414 | 5,703 | 16,214 | 17,336
Freight |  |  |  |
Revenue from External Customer [Line Items] |  |  |  |
Add back freight | $ 6,589 | $ 5,468 | $ 18,309 | $ 15,812

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