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RESTRUCTURING
3 Months Ended
Mar. 31, 2012
RESTRUCTURING
4.           RESTRUCTURING

In prior years, we implemented significant restructuring plans that resulted in substantial charges for our real estate obligations. The following table displays the restructuring activity and balances during the three months ended March 31, 2012 (in thousands):
                 
   
December 31, 2011
Restructuring
Liability
   
Cash
Payments
 
March 31, 2012
Restructuring
Liability
 
Activity for 2011 restructuring charge:
               
Real estate obligations
 
$
361
   
$
(76
$
285
 
Activity for 2007 restructuring charge:
                     
Real estate obligations
   
5,162
     
(387
 
4,775
 
Activity for 2001 restructuring charge:
                     
Real estate obligations
   
2,070
     
(198
 
1,872
 
                       
Total
 
$
7,593
   
$
(661
$
6,932