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Share Plans - Additional Information (Details) - Luxfer Holdings PLC Long-Term Umbrella Incentive Plan	3 Months Ended
	Mar. 30, 2025 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted during the period (in shares) | shares	135,000
Weighted average fair value of options granted (in USD per share) | $ / shares	$ 12.13

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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