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Property, Plant and Equipment, Net (Tables)
12 Months Ended
Dec. 31, 2011
Property, Plant and Equipment, Net [Abstract]  
Property, Plant and Equipment [Table Text Block]
 
2011
 
2010
Land
$
53,392

 
$
53,642

Building and leasehold improvements
195,838

 
186,974

Machinery and equipment
321,609

 
312,501

Computer software
179,913

 
129,697

 
750,752

 
682,814

Less accumulated depreciation and amortization
(340,745
)
 
(318,342
)
 
$
410,007

 
$
364,472