CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) [Abstract]
Consolidated net income	$ 19.4	$ 17.7	$ 35.6	$ 37.3
Other comprehensive income, net of tax:
Foreign currency translation adjustments	3.6	(7.8)	5.7	(22.6)
Pension and postretirement plan adjustments	0.8	2.0	1.7	3.8
Cash flow hedges:
Net derivative gains (losses) arising during the period	0.1	(0.1)	0	0.5
Total other comprehensive income, net of tax	4.5	(5.9)	7.4	(18.3)
Total comprehensive income including non-controlling interests	23.9	11.8	43.0	19.0
Comprehensive (income) loss attributable to non-controlling interest	(0.7)	0.2	(1.2)	(0.2)
Comprehensive income attributable to MTI	$ 23.2	$ 12.0	$ 41.8	$ 18.8