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Restructuring Plans (Tables)
3 Months Ended
Mar. 31, 2012
Restructuring Plans [Abstract]  
Restructuring and other costs recognized
A summary of the restructuring and other costs recognized for the three months ended March 31, 2012 are as follows:

 
Balance as of December 31, 2011
 
Restructuring costs
 
Cash Payments
 
Balance as of March 31, 2012
Employee termination costs
$

 
$
2,797

 
$
(1,901
)
 
$
896

Excess facilities costs

 
78

 

 
78

Total
$

 
$
2,875

 
$
(1,901
)
 
$
974