XML 25 R27.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Independent Contractor Operations (Tables)
6 Months Ended
Jun. 30, 2011
Independent Contractor Operations  
Schedule of Independent Contractors
   
Three months ended
 June 30,
   
Six months ended 
June 30,
 
   
2011
   
2010
   
2011
   
2010
 
                         
Revenues
  $ 6,528     $ 5,562     $ 13,039     $ 11,217  
Pretax profits
    3,402       2,721       6,389       5,104