Document and Entity Information - shares	6 Months Ended
	Jun. 28, 2015	Jul. 28, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	TELEDYNE TECHNOLOGIES INC
Entity Central Index Key	0001094285
Document Type	10-Q
Document Period End Date	Jun. 28, 2015
Amendment Flag	false
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--01-03
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		35,392,499