XML 68 R27.htm IDEA: XBRL DOCUMENT v2.4.0.6
Income Taxes (Tables)
 6 Months Ended
Jun. 30, 2012
Income Taxes (Tables) [Abstract]  
Tax rate
The following tables provide a summary of our reported tax rate:
 
 
Three Months Ended
June 30,
 
 
2012
 
2011
Reported tax rate
 
1.1
%
 
7.6
%
Impact of certain receipts/charges*
 
13.4
%
 
9.8
%
 
 
14.5
%
 
17.4
%

 
 
Six Months Ended
June 30,
 
 
2012
 
2011
Reported tax rate
 
0.9
%
 
55.5
 %
Impact of certain receipts/charges*
 
13.8
%
 
(40.0
)%
 
 
14.7
%
 
15.5
 %
*These receipts/charges are taxed at different rates than our effective tax rate.