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Cover Page - USD ($)
 12 Months Ended
Dec. 31, 2021
Jun. 25, 2021
Cover [Abstract]    
Document Type 10-K  
Document Annual Report true  
Document Period End Date Dec. 31, 2021  
Current Fiscal Year End Date --12-31  
Document Transition Report false  
Entity File Number 001-35370  
Entity Registrant Name Luxfer Holdings PLC  
Entity Incorporation, State or Country Code X0  
Entity Tax Identification Number 98-1024030  
Entity Address, Address Line One 8989 North Port Washington Road, Suite 211,  
Entity Address, City or Town Milwaukee  
Entity Address, State or Province WI  
Entity Address, Postal Zip Code 53217  
Country Region +1  
City Area Code 414  
Local Phone Number 269-2419  
Title of 12(b) Security Ordinary Shares, nominal value £0.50 each  
Trading Symbol LXFR  
Security Exchange Name NYSE  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
ICFR Auditor Attestation Flag true  
Entity Shell Company false  
Entity Public Float   $ 580,000,000
Entity Common Stock, Shares Outstanding 27,529,824  
Documents Incorporated by Reference Parts of the Registrant's definitive proxy statement for its annual general meeting to be held on June 8, 2022, to be filed no later than 120 days after the end of the fiscal year covered by this annual report, are incorporated by reference in this Form 10-K in response to Part III, Items 10, 11, 12, 13 and 14.  
Entity Central Index Key 0001096056  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus FY  
Amendment Flag false