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Comprehensive Income
 12 Months Ended
Dec. 31, 2012
Comprehensive Income [Abstract]  
Comprehensive Income
Note 18.  Comprehensive Income

     Comprehensive income includes changes in the fair value of certain financial derivative instruments that qualify for hedge accounting to the extent they are effective, the recognition of deferred pension costs, and cumulative foreign currency translation adjustments.


MINERALS TECHNOLOGIES INC. AND SUBSIDIARY COMPANIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
     The following table reflects the accumulated balances of other comprehensive income (loss):

(Millions of Dollars)
 
 
Currency Translation Adjustment
 
 
 
Unrecognized Pension
Costs
 
 
 
Net Gain (Loss) On Cash Flow Hedges
 
 
 
Accumulated Other Comprehensive Income (Loss)
 
Balance at January 1, 2010
 
$
55.7
 
 
$
(52.2
)
 
$
(0.3
)
 
$
3.2
 
Current year net change
 
 
(9.2
)
 
 
0.3
 
 
 
2.1
 
 
 
(6.8
)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Balance at December 31, 2010
 
$
46.6
 
 
$
(51.9
)
 
$
1.7
 
 
$
(3.6
)
Current year net change
 
 
(16.7
)
 
 
(25.6
)
 
 
0.6
 
 
 
(41.7
)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Balance at December 31, 2011
 
$
29.9
 
 
$
(77.5
)
 
$
2.3
 
 
$
(45.3
)
Current year net change
 
 
2.1
 
 
 
(7.8
)
 
 
(0.2
)
 
 
(5.9
)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Balance at December 31, 2012
 
$
32.0
 
 
 
(85.3
)
 
 
2.1
 
 
 
(51.2
)

     The income tax expense (benefit) associated with items included in other comprehensive income (loss) was approximately $(1.3) million, $(15.5) million and $1.9 million for the years ended December 31, 2012 2011 and 2010, respectively.