Document and Entity Information - shares	6 Months Ended
	Jul. 03, 2016	Aug. 05, 2016
Document and Entity Information [Abstract]
Entity Registrant Name	TELEDYNE TECHNOLOGIES INC
Entity Central Index Key	0001094285
Document Type	10-Q
Document Period End Date	Jul. 03, 2016
Amendment Flag	false
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--01-01
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		34,656,748