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Property and Equipment, Net (Tables)
12 Months Ended
Dec. 31, 2011
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
At December 31, 2011 and 2010 property and equipment consist of the following:
 
 
2011
 
2010
Computers, internal use software, furniture & fixtures and automobiles
 
$
96,248

 
$
93,462

Land and buildings
 
27,010

 
26,652

Leasehold improvements
 
13,404

 
8,763

 
 
136,662

 
128,877

Less: accumulated depreciation
 
(84,121
)
 
(81,430
)
Net property and equipment
 
$
52,541

 
$
47,447