Consolidated Statements of Stockholders' Equity (USD $) In Millions, unless otherwise specified	Total		Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total Teledyne Technologies Incorporated Stockholders’ Equity	Noncontrolling Interest
Beginning balance at Jan. 01, 2012	$ 984.1		$ 0.4	$ 291.7	$ (30.6)	$ 958.9	$ (241.1)	$ 979.3	$ 4.8
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	165.1					164.1		164.1	1.0
Other comprehensive loss, net of tax	(32.3)	[1]					(32.3)	(32.3)
Treasury stock issuance	16.6			(14.0)	30.6			16.6
Noncontrolling interest	49.8								49.8
Stock option compensation expense	8.0			8.0				8.0
Exercise of stock options and other, net	12.1			12.1				12.1
Ending balance at Dec. 30, 2012	1,203.4		0.4	297.8	0	1,123.0	(273.4)	1,147.8	55.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	184.5					185.0		185.0	(0.5)
Other comprehensive loss, net of tax	107.9	[1]					107.9	107.9	0
Purchase of noncontrolling interest	(4.6)								(4.6)
Foreign currency translation adjustment - noncontrolling interest	(3.5)								(3.5)
Stock option compensation expense	10.7			10.7				10.7
Exercise of stock options and other, net	20.3			20.3				20.3
Ending balance at Dec. 29, 2013	1,518.7		0.4	328.8	0	1,308.0	(165.5)	1,471.7	47.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	215.6					217.7		217.7	(2.1)
Other comprehensive loss, net of tax	(157.7)	[1]					(157.7)	(157.7)
Treasury stock issuance	(122.1)			(20.0)	(102.1)			(122.1)
Foreign currency translation adjustment - noncontrolling interest	(3.7)								(3.7)
Stock option compensation expense	14.0			14.0				14.0
Exercise of stock options and other, net	3.7			3.7				3.7
Ending balance at Dec. 28, 2014	$ 1,468.5		$ 0.4	$ 326.5	$ (102.1)	$ 1,525.7	$ (323.2)	$ 1,427.3	$ 41.2

[1] Net of income tax expense of $22.6 million in 2014 and $81.1 million for 2013 and income tax benefit of $30.2 million for 2012.