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12. Segment Information
 3 Months Ended
Mar. 31, 2013
Segment Reporting [Abstract]  
Segment Information
12.    SEGMENT INFORMATION

Information regarding industry segments for the three months ended March 31, 2013 and 2012 is as follows (in millions):
 
 
Life
Science
 
Clinical
Diagnostics
 
Other
Operations
 
 
 
 
 
 
 
Segment net sales 
2013
$
156.3

 
$
339.9

 
$
3.5

 
2012
$
154.8

 
$
327.2

 
$
4.3

 
 
 
 
 
 
 
Segment (loss) profit
2013
$
(12.8
)
 
$
36.1

 
$
0.1

 
2012
$
(3.9
)
 
$
45.7

 
$
0.9



Segment results are presented in the same manner as we present our operations internally to make operating decisions and assess performance.  Net corporate operating expense consists of receipts and expenditures that are not the primary responsibility of segment operating management and therefore are not allocated to the segments for performance assessment by our chief operating decision maker.  Interest expense is charged to segments based on the carrying amount of inventory and receivables employed by that segment.  The following reconciles total segment profit to consolidated income before taxes (in millions):

 
Three Months Ended
 
March 31,
 
2013
 
2012
Total segment profit
$
23.4

 
$
42.7

Foreign exchange losses, net
(1.5
)
 
(1.4
)
Net corporate operating, interest and other expense not allocated to segments
(0.9
)
 
(1.6
)
Other income (expense), net
1.4

 
6.5

Consolidated income before taxes
$
22.4

 
$
46.2