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Restructuring - Charges (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 25, 2022 | Jun. 26, 2022 | Sep. 26, 2021 | Sep. 25, 2022 | Sep. 26, 2021
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Total restructuring charges | $ 0.3 |  | $ 0.5 | $ 2.0 | $ 2.1
Other restructuring |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Total restructuring charges | 0.3 |  | 0.5 | 2.0 | 2.1
Gas Cylinders | Other restructuring |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Severance and related costs | 0.3 |  | 0.5 | 1.8 | 1.1
Elektron | Other restructuring |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Severance and related costs | $ 0.0 | $ 0.2 | $ 0.0 | $ 0.2 | $ 1.0

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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 https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. + 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 https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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