CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014	Jun. 28, 2015	Jun. 29, 2014
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) [Abstract]
Consolidated net income	$ 27.5	$ 19.4	$ 63.5	$ 35.6
Other comprehensive income, net of tax:
Foreign currency translation adjustments	(2.4)	3.6	(30.3)	5.7
Pension and postretirement plan adjustments	1.5	0.8	3.0	1.7
Cash flow hedges:
Net derivative gains (losses) arising during the period	0.0	0.1	0.0	0.0
Total other comprehensive income, net of tax	(0.9)	4.5	(27.3)	7.4
Total comprehensive income including non-controlling interests	26.6	23.9	36.2	43.0
Comprehensive (income) loss attributable to non-controlling interest	(0.7)	(0.7)	(1.7)	(1.2)
Comprehensive income attributable to MTI	$ 25.9	$ 23.2	$ 34.5	$ 41.8