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Restructuring charges - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 27, 2022 | Mar. 28, 2021
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | $ 1.4 | $ 1.4
Gas Cylinders segment |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 1.4 | 0.5
Elektron segment |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | $ 0.0 | 0.9
Asset impairment charges |  | $ 0.1

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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2420-110228 + Details
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- Definition Amount of restructuring charges, remediation cost, and asset impairment loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
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- Details
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