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Other charges	12 Months Ended
	Dec. 31, 2022
Other Income and Expenses [Abstract]
Other charges	Other charges Other charges of $1.1 million in 2021 relates to the settlement of a class action lawsuit in the Gas Cylinders segment in relation to an alleged historic violation of the California Labor Code, concerning a Human Resources administration matter. The Company paid the settlement during the year, with no additional charge to the income statement expected. In 2020 the Company recognized $0.4 million in other charges relating to the remediation of a legacy environmental issue which commenced in 2019. This was completed in 2021 and all liabilities settled.

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The entire disclosure for other operating income and other operating expense items.

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