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v3.25.2

Share Plans - Additional Information (Details) - $ / shares | 1 Months Ended
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Jun. 29, 2025 | Mar. 30, 2025
Luxfer Holdings PLC Long-Term Umbrella Incentive Plan |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Awards granted during the period (in shares) |  | 135,000
Weighted average fair value of options granted (in USD per share) |  | $ 12.13
Luxfer Holdings PLC Non-Executive Directors' Equity Incentive Plan |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Awards granted during the period (in shares) | 45,000 |
Weighted average fair value of options granted (in USD per share) | $ 11.46 |

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- Definition Line items represent financial concepts included in a table. 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