CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2015	Sep. 28, 2014	Sep. 27, 2015	Sep. 28, 2014
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) [Abstract]
Consolidated net income	$ 30.3	$ 37.8	$ 93.9	$ 73.5
Other comprehensive income, net of tax:
Foreign currency translation adjustments	(35.8)	(27.7)	(66.1)	(22.0)
Pension and postretirement plan adjustments	1.6	0.8	4.6	2.5
Total other comprehensive income, net of tax	(34.2)	(26.9)	(61.5)	(19.5)
Total comprehensive income including non-controlling interests	(3.9)	10.9	32.4	54.0
Comprehensive income attributable to non-controlling interest	(0.2)	(0.7)	(1.9)	(1.9)
Comprehensive income attributable to MTI	$ (4.1)	$ 10.2	$ 30.5	$ 52.1