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v3.25.4

Segment Information - Financial Information by Reportable Segment (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Segment Reporting Information [Line Items] |  |  |
Depreciation and amortization | $ 9.9 | $ 10.1 | $ 12.7
Restructuring Charges | 9.0 | 4.7 | 6.4
Total assets | 369.7 | 382.4 |
Capital expenditure | 8.0 | 10.5 | 9.3
Share-based compensation charges | (3.6) | (3.5) | (2.8)
Discontinued operations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 5.5 | 7.7 |
Capital expenditure | 0.2 | 0.0 | 0.1
Share-based compensation charges | (0.3) | 0.0 | 0.0
Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation and amortization | 0.8 | 0.8 | 0.8
Total assets | 292.8 | 310.4 |
Capital expenditure | 7.8 | 10.5 | 9.2
Share-based compensation charges | (3.6) | (3.5) | (2.8)
Other segment |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 71.4 | 64.3 |
Capital expenditure | 0.0 | 0.0 | 0.0
Gas Cylinders Segment | Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation and amortization | 3.3 | 3.4 | 4.1
Restructuring Charges | 6.5 | 4.5 | 5.9
Total assets | 121.8 | 122.5 |
Capital expenditure | 1.9 | 4.8 | 2.1
Elektron Segment | Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation and amortization | 6.6 | 6.7 | 6.6
Restructuring Charges | 2.5 | 0.2 | 0.5
Total assets | 171.0 | 173.1 |
Capital expenditure | 5.8 | 5.4 | 6.1
Graphic Arts | Operating segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation and amortization | 0.0 | 0.0 | 2.0
Restructuring Charges | 0.0 | 0.0 | 0.0
Total assets | 0.0 | 14.8 |
Capital expenditure | $ 0.1 | $ 0.3 | $ 1.0

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