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v3.25.1

Net Sales (Tables) | 3 Months Ended
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Mar. 30, 2025
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | Disaggregated sales disclosures for the quarters ended March 30, 2025, and March 31, 2024, are included below and in Note 15, Segmental Information.
|  | First Quarter |
|  | 2025 |  | 2024 |
| In millions | Gas Cylinders | Elektron | Graphic Arts | Total |  | Gas Cylinders | Elektron | Graphic Arts | Total |
| Specialty industrial | $ | 7.1 |  | $ | 14.1 |  | $ | 6.5 |  | $ | 27.7 |  |  | $ | 5.7 |  | $ | 14.0 |  | $ | 6.3 |  | $ | 26.0 |  |
| Transportation | 14.8 |  | 10.9 |  | — |  | 25.7 |  |  | 19.1 |  | 9.8 |  | — |  | 28.9 |  |
| Defense, First Response & Healthcare | 19.2 |  | 24.4 |  | — |  | 43.6 |  |  | 20.6 |  | 13.9 |  | — |  | 34.5 |  |
|  | $ | 41.1 |  | $ | 49.4 |  | $ | 6.5 |  | $ | 97.0 |  |  | $ | 45.4 |  | $ | 37.7 |  | $ | 6.3 |  | $ | 89.4 |  |

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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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