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v3.25.3

Net Sales (Tables) | 9 Months Ended
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Sep. 28, 2025
Revenue from Contract with Customer [Abstract] |
Disaggregation of revenue | Disaggregated sales disclosures for the third quarter and the first nine months of the year ended September 28, 2025, and September 29, 2024, are included below and in Note 15, Segmental Information.
|  | Third Quarter |
|  | 2025 |  | 2024 |
| In millions | Gas Cylinders | Elektron | Graphic Arts | Total |  | Gas Cylinders | Elektron | Graphic Arts | Total |
| Defense, First Response & Healthcare | $ | 20.0 |  | $ | 27.1 |  | $ | — |  | $ | 47.1 |  |  | $ | 19.2 |  | $ | 24.0 |  | $ | — |  | $ | 43.2 |  |
| Transportation | 15.7 |  | 10.2 |  | — |  | 25.9 |  |  | 14.2 |  | 11.5 |  | — |  | 25.7 |  |
| Specialty industrial | 7.2 |  | 12.7 |  | — |  | 19.9 |  |  | 9.2 |  | 13.3 |  | 8.0 |  | 30.5 |  |
|  | $ | 42.9 |  | $ | 50.0 |  | $ | — |  | $ | 92.9 |  |  | $ | 42.6 |  | $ | 48.8 |  | $ | 8.0 |  | $ | 99.4 |  |
|  | Year-to-date |
|  | 2025 |  | 2024 |
| In millions | Gas Cylinders | Elektron | Graphic Arts | Total |  | Gas Cylinders | Elektron | Graphic Arts | Total |
| Defense, First Response & Healthcare | $ | 60.1 |  | $ | 77.0 |  | $ | — |  | $ | 137.1 |  |  | $ | 64.4 |  | $ | 55.8 |  | $ | — |  | $ | 120.2 |  |
| Transportation | 48.3 |  | 32.3 |  | — |  | 80.6 |  |  | 50.5 |  | 32.4 |  | — |  | 82.9 |  |
| Specialty industrial | 22.6 |  | 40.2 |  | 13.4 |  | 76.2 |  |  | 22.9 |  | 40.3 |  | 22.2 |  | 85.4 |  |
|  | $ | 131.0 |  | $ | 149.5 |  | $ | 13.4 |  | $ | 293.9 |  |  | $ | 137.8 |  | $ | 128.5 |  | $ | 22.2 |  | $ | 288.5 |  |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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- References No definition available. + Details
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