Cover Page - shares	9 Months Ended
	Sep. 27, 2020	Oct. 27, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 27, 2020
Document Transition Report	false
Entity File Number	1-5353
Entity Registrant Name	TELEFLEX INCORPORATED
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	23-1147939
Entity Address, Address Line One	550 E. Swedesford Rd., Suite 400
Entity Address, City or Town	Wayne
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	19087
City Area Code	610
Local Phone Number	225-6800
Title of 12(b) Security	Common Stock, par value $1.00 per share
Trading Symbol	TFX
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Smaller Reporting Company	false
Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		46,566,715
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Entity Central Index Key	0000096943
Current Fiscal Year End Date	--12-31