Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 48.0	$ 55.8	$ 91.7	$ 101.8
Other comprehensive income (loss):
Foreign exchange translation adjustment	20.8	16.5	(28.4)	7.1
Hedge activity and interest rate swap, net of tax	1.8	2.5	(0.5)	1.5
Pension and postretirement benefit adjustments, net of tax	4.0	2.0	8.9	4.9
Other comprehensive income (loss)	26.6	21.0	(20.0)	13.5
Comprehensive income	74.6	76.8	71.7	115.3
Noncontrolling interest	0.3	0.3	0.3	0.1
Comprehensive income attributable to Teledyne	$ 74.9	$ 77.1	$ 72.0	$ 115.4