Earnings Per Share (EPS) (Tables)

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Schedule of basic and diluted earnings per share

The following table sets forth the computation of basic and diluted earnings per share:

		Three Months Ended
Basic EPS(in millions, except per share amounts)			March 31, 2013		April 1, 2012
	Net income attributable to MTI	$	18.8	$	18.0
Weighted average shares outstanding			35.0		35.4
Basic earnings per share attributable to MTI		$	0.54	$	0.51

		Three Months Ended
Diluted EPS(in millions, except per share amounts)			March 31, 2013		April 1, 2012
	Net income attributable to MTI	$	18.8	$	18.0
Weighted average shares outstanding			35.0		35.4
Dilutive effect of stock options and stock units			0.3		0.2
Weighted average shares outstanding , adjusted		$	35.3	$	35.6
Diluted earnings per share attributable to MTI		$	0.53	$	0.51