Document and Entity Information	3 Months Ended
	Apr. 01, 2012	May 02, 2012
Document and Entity Information [Abstract]
Entity Registrant Name	TELEDYNE TECHNOLOGIES INC
Entity Central Index Key	0001094285
Document Type	10-Q
Document Period End Date	Jan. 04, 2012
Amendment Flag	false
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--01-01
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		36,754,740