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Restructuring (Tables)
3 Months Ended
Mar. 31, 2013
Restructuring [Abstract]  
Activity in restructuring accrual
 
Severance and Related Benefits 
 
 
 
Other Exit Costs
 
 
Contract Termination Costs
 
Total Restructuring Accrual 
Balance at December 31, 2012
$
813
 
 
$
-
 
 
$
-
 
 
$
813
 
Additions, net
 
1,477
 
 
 
-
 
 
 
-
 
 
 
1,477
 
Payments
 
(854
)
 
 
-
 
 
 
-
 
 
 
(854
)
Balance at March 31, 2013
$
1,436
 
 
$
-
 
 
$
-
 
 
$
1,436