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Net Sales (Tables) | 3 Months Ended
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Mar. 31, 2024
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | Disaggregated sales disclosures for the quarters ended March 31, 2024, and April 2, 2023, are included below and in Note 15, Segmental Information.
|  | First Quarter |
|  | 2024 |  | 2023 |
| In millions | Gas Cylinders | Elektron | Graphic Arts | Total |  | Gas Cylinders | Elektron | Graphic Arts | Total |
| General industrial | $ | 5.7 |  | $ | 14.0 |  | $ | 6.3 |  | $ | 26.0 |  |  | $ | 9.5 |  | $ | 15.5 |  | $ | 7.4 |  | $ | 32.4 |  |
| Transportation | 19.1 |  | 9.8 |  | — |  | 28.9 |  |  | 13.9 |  | 12.8 |  | — |  | 26.7 |  |
| Defense, First Response & Healthcare | 20.6 |  | 13.9 |  | — |  | 34.5 |  |  | 18.1 |  | 24.1 |  | — |  | 42.2 |  |
|  | $ | 45.4 |  | $ | 37.7 |  | $ | 6.3 |  | $ | 89.4 |  |  | $ | 41.5 |  | $ | 52.4 |  | $ | 7.4 |  | $ | 101.3 |  |

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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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