CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2012	Oct. 02, 2011	Sep. 30, 2012	Oct. 02, 2011
Comprehensive Income [Abstract]
Consolidated net income	$ 19,183	$ 16,344	$ 58,030	$ 50,190
Other comprehensive income, net of tax:
Foreign currency translation adjustments	8,562	(25,356)	1,595	(3,170)
Pension and postretirement plan adjustments	1,829	(1,138)	5,481	1,817
Sale of interest in business	0	(820)	0	(820)
Cash flow hedges [Abstract]
Net derivative gains (losses) arising during the period	(299)	1,517	380	87
Comprehensive income	29,275	(9,453)	65,486	48,104
Comprehensive income attributable to non-controlling interest	(750)	1,523	(1,561)	(1,391)
Comprehensive income (loss) attributable to MTI	$ 28,525	$ (7,930)	$ 63,925	$ 46,713

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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