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Other Comprehensive Income
 12 Months Ended
Dec. 31, 2012
Equity [Abstract]  
Other Comprehensive Income
Other Comprehensive Income
The following table summarizes the cumulative net gain (loss) by component, net of tax, within other comprehensive income as of December 31, 2012, 2011 and 2010:
 
 
December 31,
(Thousands)
 
2012
 
2011
 
2010
Foreign currency translation adjustment
 
$
4,077

 
$
4,947

 
$
3,989

Derivative financial instruments
 
 
 
 
 
 
Gross
 
350

 
1,450

 
(1,543
)
Deferred tax (benefit)
 
(1,280
)
 
(895
)
 
(1,942
)
Net
 
1,630

 
2,345

 
399

Pension and other retirement plan adjustment
 
 
 
 
 
 
Gross
 
(127,541
)
 
(105,236
)
 
(69,441
)
Deferred tax (benefit)
 
(33,405
)
 
(25,729
)
 
(13,437
)
Net
 
(94,136
)
 
(79,507
)
 
(56,004
)
Total
 
$
(88,429
)
 
$
(72,215
)
 
$
(51,616
)