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Independent Contractor Operations (Tables)
 9 Months Ended
Sep. 30, 2012
Independent Contractor Operations [Abstract]  
Schedule Of Independent Contractors

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Three months ended September 30,

 

Nine months ended September 30,

 

 

2012

 

2011

 

2012

 

2011

Revenues

 

$
6,942 

 

$
6,575 

 

$
20,434 

 

$
19,614 

Pretax profits

 

 
3,611 

 

 
3,236 

 

 
10,424 

 

 
9,625