Non-Controlling Interests (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended								12 Months Ended
	May. 31, 2014	Dec. 31, 2015	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015	Dec. 31, 2014	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Adjustments to net income attributable to MTI [Abstract]
Net income attributable to MTI		$ 17.0	$ 29.2	$ 26.6	$ 35.1	$ 21.3	$ 37.0	$ 18.5	$ 15.6	$ 107.9	$ 92.4	$ 80.3
Transfer from non-controlling interest [Abstract]
Decrease in additional paid-in capital for purchase of the remaining non-controlling interest in CETCO India										0.0	(2.1)	0.0
Change from net income attributable to MTI and transfers from non-controlling interest										107.9	90.3	80.3
Percentage of noncontrolling interest acquired during the period	20.00%
Payments to non-controlling interests	$ 2.0									$ 0.0	$ 2.1	$ 0.0