XML 92 R91.htm IDEA: XBRL DOCUMENT v2.4.0.8
Related Party Transactions (Details Textuals) (USD $)
 12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended
Jul. 31, 2013
Commercial_Property
Jul. 31, 2012
Jul. 31, 2011
Jul. 31, 2013
Board of Directors and Officers
Jul. 31, 2012
Board of Directors and Officers
Jul. 31, 2011
Board of Directors and Officers
Jun. 28, 2012
Willis J. Johnson
Jul. 31, 2013
Executives
Commercial_Property
Jul. 31, 2012
Executives
House
Jul. 31, 2011
Executives
House
Jul. 31, 2011
Willis Johnson Foundation
Sep. 27, 2012
Thomas W. Smith
Jul. 31, 2011
Copart Private Foundation
Related Party Transactions, By Related Party [Abstract]                          
Rental payments       $ 400,000 $ 0 $ 50,000              
Acquired common stock, value (13,885,000) (199,896,000) (735,402,000)       65,000,000       500,000 13,900,000  
Acquired common stock, shares             2,800,000       10,620 500,000  
Acquired Common stock, Price Per Shares (in dollars per share)             $ 23.22         $ 27.77  
Related party transaction number of houses purchased                 3 3      
Related party transaction number of property purchased               1          
Number of assets held for sale 1                        
Loan to related party                         $ 200,000