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v3.20.1

Segmental Information - Financial information by reportable segment (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 29, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jul. 01, 2018 | Apr. 01, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net Sales | $ 99.5 | $ 107.1 | $ 116.5 | $ 120.4 | $ 110.9 | $ 129.1 | $ 128.2 | $ 119.7 | $ 443.5 | $ 487.9 | $ 441.3
Adjusted EBITDA |  |  |  |  |  |  |  |  | 68.1 | 79.6 | 59.3
Depreciation and amortization |  |  |  |  |  |  |  |  | 15.3 | 19.0 | 18.3
Restructuring charges | 1.6 |  |  |  |  |  |  |  | 25.9 | 13.4 | 8.4
Total assets | 390.3 |  |  |  | 408.8 |  |  |  | 390.3 | 408.8 | 415.8
Capital expenditure |  |  |  |  |  |  |  |  | 14.8 | 13.6 | 10.0
Intersegment Revenues Between Elektron Segment and Gas Cylinders Segment |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  | 0.4 | 0.4 | 0.4
Gas Cylinders segment |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  | 223.6 | 238.1 | 220.2
Elektron segment |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  | 219.9 | 249.8 | 221.1
Operating Segments | Gas Cylinders segment |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  | 223.6 | 238.1 | 220.2
Adjusted EBITDA |  |  |  |  |  |  |  |  | 23.3 | 23.4 | 17.0
Depreciation and amortization |  |  |  |  |  |  |  |  | 5.7 | 7.3 | 7.2
Restructuring charges |  |  |  |  |  |  |  |  | 20.7 | 10.0 | 2.9
Total assets | 156.0 |  |  |  | 157.0 |  |  |  | 156.0 | 157.0 | 156.9
Capital expenditure |  |  |  |  |  |  |  |  | 3.9 | 2.8 | 3.5
Operating Segments | Elektron segment |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  | 219.9 | 249.8 | 221.1
Adjusted EBITDA |  |  |  |  |  |  |  |  | 44.8 | 56.2 | 42.3
Depreciation and amortization |  |  |  |  |  |  |  |  | 9.6 | 11.7 | 11.1
Restructuring charges |  |  |  |  |  |  |  |  | 5.2 | 3.4 | 5.5
Total assets | 200.8 |  |  |  | 217.5 |  |  |  | 200.8 | 217.5 | 210.4
Capital expenditure |  |  |  |  |  |  |  |  | 10.9 | 10.5 | 5.8
Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total assets | $ 33.5 |  |  |  | $ 34.3 |  |  |  | 33.5 | 34.3 | 48.5
Capital expenditure |  |  |  |  |  |  |  |  | $ 0.0 | $ 0.3 | $ 0.7

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