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Subsequent Events	12 Months Ended
	Dec. 31, 2025
Subsequent Events [Abstract]
Subsequent events	Subsequent Events On January 8, 2026, subsequent to the 2025 year-end, the Trustee of the Luxfer Group Pension Plan (“LGPP”) entered into a full buy-in contract with a U.K. insurer, Aviva. The buy-in is designed to substantially match the Plan’s benefit obligations with corresponding cash flow payments from the insurer, with effect from March 2026 payroll, in exchange for an agreed premium. As this transaction occurred after the balance sheet date, the measurement of the Plan’s assets or liabilities as of December 31, 2025 did not account for this event.

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- Definition

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-Name Accounting Standards Codification
-Publisher FASB
-URI https://asc.fasb.org/855/tableOfContent

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483399/855-10-50-2

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