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Restructuring Charges (Tables)
12 Months Ended
Dec. 31, 2011
Restructuring Charges [Abstract]  
Schedule of Restructuring Reserve by Type of Cost
 
Employee
Related
 
Other
 
Total
Balance at December 31, 2009
$
14,122

 
$
684

 
$
14,806

Restructuring charges
3,508

 
1,358

 
4,866

Cash payments
(9,252
)
 
(1,815
)
 
(11,067
)
Impact of foreign currency
(657
)
 
(92
)
 
(749
)
Balance at December 31, 2010
$
7,721

 
$
135

 
$
7,856

Restructuring charges
5,190

 
722

 
5,912

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

 

 
98

Balance at December 31, 2011
$
7,469

 
$
100

 
$
7,569