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Noncontrolling interests
6 Months Ended
Jul. 01, 2012
Noncontrolling interests [Abstract]  
Noncontrolling interests
Note 14 .  Non-controlling interests

     The following is a reconciliation of beginning and ending total equity, equity attributable to MTI, and equity attributable to non-controlling interests:

 
Equity Attributable to MTI
     
(millions of dollars)
Common Stock
 
Additional
 Paid-in Capital
 
Retained
Earnings
 
Accumulated
Other
Comprehensive
Income (Loss)
 
Treasury
 Stock
 
Non-controlling Interests
 
Total
Balance as of December 31, 2011
$
2.9
   
$
335.1
   
$
963.1
   
$
(45.3
)
 
$
(514.2
)
 
$
26.4
   
$
768.0
 
                                                       
Net income
 
--
     
--
     
37.7
     
--
     
--
     
1.1
     
38.8
 
Other comprehensive income
 
--
     
--
     
--
     
(2.3
)
   
--
     
(0.3
)
   
(2.6
)
Dividends declared
 
--
     
--
     
(1.8
)
   
--
     
--
     
--
     
(1.8
)
Dividends to non-controlling interest
 
--
     
--
     
--
     
--
     
--
     
(3.2
)
   
(3.2
)
Capital contributions by  non-controlling interest
 
--
     
--
     
--
     
--
     
--
     
0.8
     
0.8
 
Employee benefit transactions
 
--
     
2.4
     
--
     
--
     
--
     
--
     
2.4
 
Income tax benefit arising from employee
                                                     
 
stock option plans
 
--
     
0.2
     
--
     
--
     
--
     
--
     
0.2
 
Stock based compensation
 
--
     
1.0
     
--
     
--
     
--
     
--
     
1.0
 
Purchase of common stock
 
--
     
--
     
--
     
--
     
(6.0
)
   
--
     
(6.0
)
Balance as of July 1, 2012
$
2.9
   
$
338.7
   
$
999.1
   
$
(47.7
)
 
$
(520.2
)
 
$
24.8
   
$
797.6
 

     The income attributable to non-controlling interests for the six-month periods ended July 1, 2012 and July 3, 2011 was from continuing operations. The remainder of income was attributable to MTI. There were no changes in MTI's ownership interest for the period ended July 1, 2012 as compared with December 31, 2011.