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10. Comprehensive Income
 6 Months Ended
Jun. 30, 2011
Equity [Abstract]  
Comprehensive Income
COMPREHENSIVE INCOME (LOSS)


The components of our total comprehensive income (loss) are as follows (in millions):


 
Three Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
2011
 
2010
 
2011
 
2010
Net income including noncontrolling interests
$
40.0


 
$
38.5


 
$
73.0


 
$
73.9


Foreign currency translation adjustments
63.3


 
(35.5
)
 
84.1


 
(56.3
)
Net unrealized holding gains (losses) on available-for-sale investments, net of tax expense of $2.0 million and tax benefit of $4.1 million for the three months ended June 30, 2011 and 2010, respectively, and tax expense of $8.2 million and tax benefit of $2.0 million for the six months ended June 30, 2011 and 2010, respectively.
3.5


 
(7.0
)
 
14.1


 
(3.4
)
Reclassification adjustments for gains included in net income including noncontrolling interests, net of tax expense of $0.1 million for the six months ended June 30, 2011 and 2010. There was no tax effect for the three months ended June 30, 2011 or 2010.
—


 
—


 
0.1


 
0.2


Total comprehensive income (loss)
106.8


 
(4.0
)
 
171.3


 
14.4


Comprehensive loss attributable to noncontrolling interests
0.2


 
1.1


 
0.3


 
0.7


Comprehensive income (loss) attributable to Bio-Rad
$
107.0


 
$
(2.9
)
 
$
171.6


 
$
15.1






Reclassification adjustments are calculated using the specific identification method.