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Restructuring Charges (Tables)
12 Months Ended
Dec. 31, 2012
Restructuring Charges [Abstract]  
Schedule of Restructuring Reserve by Type of Cost
 
Employee
Related
 
Other
 
Total
Balance at December 31, 2010
$
7,721

 
$
135

 
$
7,856

Restructuring charges
5,190

 
722

 
5,912

Cash payments / utilization
(5,540
)
 
(757
)
 
(6,297
)
Impact of foreign currency
98

 

 
98

Balance at December 31, 2011
$
7,469

 
$
100

 
$
7,569

Restructuring charges
14,652

 
2,035

 
16,687

Cash payments / utilization
(10,746
)
 
(1,845
)
 
(12,591
)
Impact of foreign currency
280

 

 
280

Balance at December 31, 2012
$
11,655

 
$
290

 
$
11,945