Document and Entity Information	9 Months Ended
	Sep. 27, 2020 shares
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 27, 2020
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	Lumns Lane
Entity Address, City or Town	Manchester
Entity Address, Postal Zip Code	M27 8LN
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 Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding	27,622,099
Entity Central Index Key	0001096056
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Address, Country	GB