| 2025 quarterly periods ended | ||||||||||||||||||||
| March 31 | June 30 | September 30 | ||||||||||||||||||
| Packaging | ||||||||||||||||||||
| Net sales | $ | 127,570 | $ | 143,010 | $ | 135,700 | ||||||||||||||
| Operating profit | $ | 17,240 | $ | 19,990 | $ | 16,290 | ||||||||||||||
| Special Items to consider in evaluating operating profit: | ||||||||||||||||||||
| Business restructuring and severance costs | 580 | 440 | 1,900 | |||||||||||||||||
| Adjusted operating profit | $ | 17,820 | $ | 20,430 | $ | 18,190 | ||||||||||||||
| Aerospace | ||||||||||||||||||||
| Net sales | $ | 89,210 | $ | 103,010 | $ | 103,240 | ||||||||||||||
| Operating profit | $ | 15,070 | $ | 20,140 | $ | 20,200 | ||||||||||||||
| Special Items to consider in evaluating operating profit: | ||||||||||||||||||||
| Business restructuring and severance costs | — | — | 820 | |||||||||||||||||
| Purchase accounting costs | 160 | 510 | 530 | |||||||||||||||||
| Adjusted operating profit | $ | 15,230 | $ | 20,650 | $ | 21,550 | ||||||||||||||
| Specialty Products | ||||||||||||||||||||
| Net sales | $ | 24,890 | $ | 28,740 | $ | 30,320 | ||||||||||||||
| Operating profit (loss) | $ | (1,150) | $ | 1,260 | $ | 2,370 | ||||||||||||||
| Special Items to consider in evaluating operating profit: | ||||||||||||||||||||
| Business restructuring and severance costs | 1,240 | — | — | |||||||||||||||||
| Adjusted operating profit | $ | 90 | $ | 1,260 | $ | 2,370 | ||||||||||||||
| Corporate Expenses | ||||||||||||||||||||
| Operating loss | $ | (9,380) | $ | (14,260) | $ | (22,270) | ||||||||||||||
| Special Items to consider in evaluating operating loss: | ||||||||||||||||||||
| Asbestos-related costs | — | — | 8,030 | |||||||||||||||||
| M&A diligence and transaction costs | 300 | 30 | 60 | |||||||||||||||||
| System implementation costs | 920 | 1,440 | 1,940 | |||||||||||||||||
| Business restructuring and severance costs | 4,720 | 2,230 | 550 | |||||||||||||||||
| Gain on sale of Arrow Engine | (5,300) | — | (80) | |||||||||||||||||
| Adjusted operating loss | $ | (8,740) | $ | (10,560) | $ | (11,770) | ||||||||||||||
| Total Company | ||||||||||||||||||||
| Net sales | $ | 241,670 | $ | 274,760 | $ | 269,260 | ||||||||||||||
| Operating profit | $ | 21,780 | $ | 27,130 | $ | 16,590 | ||||||||||||||
| Total Special Items to consider in evaluating operating profit | 2,620 | 4,650 | 13,750 | |||||||||||||||||
| Adjusted operating profit | $ | 24,400 | $ | 31,780 | $ | 30,340 | ||||||||||||||
| 2025 quarterly periods ended | ||||||||||||||||||||||||||||||||
| March 31 | June 30 | September 30 | December 31 | Year ended December 31, 2025 | ||||||||||||||||||||||||||||
| Packaging | ||||||||||||||||||||||||||||||||
| Net sales | $ | 127,570 | $ | 143,010 | $ | 135,700 | $ | 129,260 | $ | 535,540 | ||||||||||||||||||||||
| Operating profit | $ | 17,240 | $ | 19,990 | $ | 16,290 | $ | 14,620 | $ | 68,140 | ||||||||||||||||||||||
| Special Items to consider in evaluating operating profit: | ||||||||||||||||||||||||||||||||
| Business restructuring and severance costs | 580 | 440 | 1,900 | 350 | 3,270 | |||||||||||||||||||||||||||
| Adjusted operating profit | $ | 17,820 | $ | 20,430 | $ | 18,190 | $ | 14,970 | $ | 71,410 | ||||||||||||||||||||||
| Specialty Products | ||||||||||||||||||||||||||||||||
| Net sales | $ | 24,890 | $ | 28,740 | $ | 30,320 | $ | 26,230 | $ | 110,180 | ||||||||||||||||||||||
| Operating profit (loss) | $ | (1,150) | $ | 1,260 | $ | 2,370 | $ | 1,710 | $ | 4,190 | ||||||||||||||||||||||
| Special Items to consider in evaluating operating profit: | ||||||||||||||||||||||||||||||||
| Business restructuring and severance costs | 1,240 | — | — | — | 1,240 | |||||||||||||||||||||||||||
| Adjusted operating profit | $ | 90 | $ | 1,260 | $ | 2,370 | $ | 1,710 | $ | 5,430 | ||||||||||||||||||||||
| Corporate Expenses | ||||||||||||||||||||||||||||||||
| Operating profit (loss) | $ | (8,940) | $ | (13,860) | $ | (21,840) | $ | 13,610 | $ | (31,030) | ||||||||||||||||||||||
| Special Items to consider in evaluating operating loss: | ||||||||||||||||||||||||||||||||
| Asbestos-related costs | — | — | 8,030 | (35,800) | (27,770) | |||||||||||||||||||||||||||
| Change in environmental liability | — | — | — | 6,500 | 6,500 | |||||||||||||||||||||||||||
| M&A diligence and transaction costs | 300 | 30 | 60 | 240 | 630 | |||||||||||||||||||||||||||
| System implementation costs | 920 | 1,440 | 1,940 | 1,980 | 6,280 | |||||||||||||||||||||||||||
| Business restructuring and severance costs | 4,720 | 2,230 | 550 | 780 | 8,280 | |||||||||||||||||||||||||||
| Gain on sale of Arrow Engine | (5,300) | — | (80) | — | (5,380) | |||||||||||||||||||||||||||
| Adjusted operating loss | $ | (8,300) | $ | (10,160) | $ | (11,340) | $ | (12,690) | $ | (42,490) | ||||||||||||||||||||||
| Total Company | ||||||||||||||||||||||||||||||||
| Net sales | $ | 152,460 | $ | 171,750 | $ | 166,020 | $ | 155,490 | $ | 645,720 | ||||||||||||||||||||||
| Operating profit (loss) | $ | 7,150 | $ | 7,390 | $ | (3,180) | $ | 29,940 | $ | 41,300 | ||||||||||||||||||||||
| Total Special Items to consider in evaluating operating profit | 2,460 | 4,140 | 12,400 | (25,950) | (6,950) | |||||||||||||||||||||||||||
| Adjusted operating profit | $ | 9,610 | $ | 11,530 | $ | 9,220 | $ | 3,990 | $ | 34,350 | ||||||||||||||||||||||
| 2025 quarterly periods ended | Nine months ended September 30, 2025 | |||||||||||||||||||||||||
| March 31 | June 30 | September 30 | ||||||||||||||||||||||||
| Income from continuing operations, as previously reported | $ | 12,420 | $ | 16,720 | $ | 9,300 | $ | 38,440 | ||||||||||||||||||
| Special Items to consider in evaluating quality of income from continuing operations: | ||||||||||||||||||||||||||
| Asbestos-related costs | — | — | 8,030 | 8,030 | ||||||||||||||||||||||
| Business restructuring and severance costs | 6,540 | 2,670 | 3,270 | 12,480 | ||||||||||||||||||||||
| Purchase accounting costs | 160 | 510 | 530 | 1,200 | ||||||||||||||||||||||
| M&A diligence and transaction costs | 300 | 30 | 60 | 390 | ||||||||||||||||||||||
| System implementation costs | 920 | 1,440 | 1,940 | 4,300 | ||||||||||||||||||||||
| Write-off of deferred financing fees | 100 | — | — | 100 | ||||||||||||||||||||||
| Gain on sale of Arrow Engine | (5,300) | — | (80) | (5,380) | ||||||||||||||||||||||
| Amortization of acquisition-related intangible assets | 4,190 | 4,350 | 4,400 | 12,940 | ||||||||||||||||||||||
| Non-cash compensation expense | 1,490 | 2,010 | 3,300 | 6,800 | ||||||||||||||||||||||
Income tax effect of net income adjustments(1) | (1,980) | (2,660) | (5,660) | (10,300) | ||||||||||||||||||||||
| Adjusted income from continuing operations | $ | 18,840 | $ | 25,070 | $ | 25,090 | $ | 69,000 | ||||||||||||||||||
| 2025 quarterly periods ended | Nine months ended September 30, 2025 | |||||||||||||||||||||||||
| March 31 | June 30 | September 30 | ||||||||||||||||||||||||
| Diluted earnings per share from continuing operations, as previously reported | $ | 0.30 | $ | 0.41 | $ | 0.23 | $ | 0.94 | ||||||||||||||||||
| Special Items to consider in evaluating quality of EPS from continuing operations: | ||||||||||||||||||||||||||
| Asbestos-related costs | — | — | 0.19 | 0.19 | ||||||||||||||||||||||
| Business restructuring and severance costs | 0.16 | 0.06 | 0.08 | 0.30 | ||||||||||||||||||||||
| Purchase accounting costs | 0.01 | 0.01 | 0.01 | 0.03 | ||||||||||||||||||||||
| M&A diligence and transaction costs | 0.01 | — | — | 0.01 | ||||||||||||||||||||||
| System implementation costs | 0.02 | 0.04 | 0.05 | 0.10 | ||||||||||||||||||||||
| Write-off of deferred financing fees | — | — | — | — | ||||||||||||||||||||||
| Gain on sale of Arrow Engine | (0.13) | — | — | (0.13) | ||||||||||||||||||||||
| Amortization of acquisition-related intangible assets | 0.10 | 0.10 | 0.11 | 0.32 | ||||||||||||||||||||||
| Non-cash compensation expense | 0.04 | 0.05 | 0.08 | 0.17 | ||||||||||||||||||||||
Income tax effect of net income adjustments(1) | (0.05) | (0.06) | (0.14) | (0.25) | ||||||||||||||||||||||
| Adjusted diluted EPS from continuing operations | $ | 0.46 | $ | 0.61 | $ | 0.61 | $ | 1.68 | ||||||||||||||||||
| Weighted-average shares outstanding | 40,969,299 | 40,929,861 | 41,113,322 | 41,004,160 | ||||||||||||||||||||||
| Recast | As reported | |||||||||||||||||||||||||||||||
| 2025 quarterly periods ended | Year ended December 31, 2025 | |||||||||||||||||||||||||||||||
| March 31 | June 30 | September 30 | December 31 | |||||||||||||||||||||||||||||
| Income from continuing operations | $ | 1,940 | $ | 2,410 | $ | (4,890) | $ | 72,850 | $ | 72,310 | ||||||||||||||||||||||
| Special Items to consider in evaluating quality of income from continuing operations: | ||||||||||||||||||||||||||||||||
| Asbestos-related costs | — | — | 8,030 | (35,800) | (27,770) | |||||||||||||||||||||||||||
| Business restructuring and severance costs | 6,540 | 2,670 | 2,450 | 1,130 | 12,790 | |||||||||||||||||||||||||||
| M&A diligence and transaction costs | 300 | 30 | (960) | (160) | (790) | |||||||||||||||||||||||||||
| System implementation costs | 920 | 1,440 | 1,940 | 1,980 | 6,280 | |||||||||||||||||||||||||||
| Write-off of deferred financing fees | 100 | — | — | — | 100 | |||||||||||||||||||||||||||
| Change in environmental liability estimate | — | — | — | 6,500 | 6,500 | |||||||||||||||||||||||||||
| Currency translation adjustment | — | — | — | (1,540) | (1,540) | |||||||||||||||||||||||||||
| Gain on sale of Arrow Engine | (5,300) | — | (80) | — | (5,380) | |||||||||||||||||||||||||||
| Deferred tax gain on the sale of Aerospace | — | — | — | (53,900) | (53,900) | |||||||||||||||||||||||||||
| Amortization of acquisition-related intangible assets | 1,590 | 1,680 | 1,710 | 1,700 | 6,680 | |||||||||||||||||||||||||||
| Non-cash compensation expense | 1,050 | 1,610 | 2,880 | 2,870 | 8,410 | |||||||||||||||||||||||||||
Income tax effect of net income adjustments(1) | (1,200) | (1,790) | (4,270) | 5,990 | (1,270) | |||||||||||||||||||||||||||
| Adjusted income from continuing operations | $ | 5,940 | $ | 8,050 | $ | 6,810 | $ | 1,620 | $ | 22,420 | ||||||||||||||||||||||
| Recast | As reported | |||||||||||||||||||||||||||||||
| 2025 quarterly periods ended | Year ended December 31, 2025 | |||||||||||||||||||||||||||||||
| March 31 | June 30 | September 30 | December 31 | |||||||||||||||||||||||||||||
| Diluted earnings per share from continuing operations | $ | 0.05 | $ | 0.06 | $ | (0.12) | $ | 1.81 | $ | 1.78 | ||||||||||||||||||||||
| Special Items to consider in evaluating quality of EPS from continuing operations: | ||||||||||||||||||||||||||||||||
| Asbestos-related costs | — | — | 0.20 | (0.89) | (0.68) | |||||||||||||||||||||||||||
| Business restructuring and severance costs | 0.16 | 0.06 | 0.06 | 0.03 | 0.31 | |||||||||||||||||||||||||||
| M&A diligence and transaction costs | 0.01 | — | (0.02) | — | (0.02) | |||||||||||||||||||||||||||
| System implementation costs | 0.02 | 0.04 | 0.05 | 0.05 | 0.15 | |||||||||||||||||||||||||||
| Write-off of deferred financing fees | — | — | — | — | — | |||||||||||||||||||||||||||
| Change in environmental liability estimate | — | — | — | 0.16 | 0.16 | |||||||||||||||||||||||||||
| Currency translation adjustment | — | — | — | (0.04) | (0.04) | |||||||||||||||||||||||||||
| Gain on sale of Arrow Engine | (0.13) | — | — | — | (0.13) | |||||||||||||||||||||||||||
| Deferred tax gain on the sale of Aerospace | — | — | — | (1.34) | (1.32) | |||||||||||||||||||||||||||
| Amortization of acquisition-related intangible assets | 0.04 | 0.04 | 0.04 | 0.04 | 0.16 | |||||||||||||||||||||||||||
| Non-cash compensation expense | 0.03 | 0.04 | 0.07 | 0.07 | 0.21 | |||||||||||||||||||||||||||
Income tax effect of net income adjustments(1) | (0.03) | (0.04) | (0.11) | 0.15 | (0.03) | |||||||||||||||||||||||||||
| Adjusted diluted EPS from continuing operations | $ | 0.15 | $ | 0.20 | $ | 0.17 | $ | 0.04 | $ | 0.55 | ||||||||||||||||||||||
| Weighted-average shares outstanding | 40,969,299 | 40,929,861 | 41,113,322 | 40,148,066 | 40,790,137 | |||||||||||||||||||||||||||