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Noncontrolling Interests (Tables)
6 Months Ended
Jun. 30, 2012
Noncontrolling Interest [Abstract]  
Effect Of Changes In Ownership Interest In Subsidiaries On Equity
The following table summarizes the effect of changes in our ownership interest in subsidiaries on the equity attributable to us as follows (in thousands):
 
 
Six Months Ended
June 30,
 
2012
 
2011
Net income adjusted for noncontrolling interests
$
52,616

 
$
17,799

Transfers from the noncontrolling interests:
 
 
 
Net increase in equity for the acquisition of noncontrolling interests

 
1,668

Change from net income adjusted for noncontrolling interests and transfers
from the noncontrolling interests
$
52,616

 
$
19,467