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Property and Equipment, Net
12 Months Ended
Jul. 31, 2013
Property, Plant and Equipment [Abstract]  
Property and Equipment, Net
(5)
  Property and Equipment, Net
 
Property and equipment consists of the following (in thousands):

 

     Years Ended July 31,    
     2013    2012
Transportation and other equipment
              $ 58,016          $ 52,066   
Office furniture and equipment
                 59,936             53,363   
Software
                 74,261             54,399   
Land
                 443,126             350,463   
Buildings and leasehold improvements
                 414,284             400,302   
 
                 1,049,623             910,593   
Less accumulated depreciation and amortization
                 (372,106 )            (323,430 )  
 
              $ 677,517          $ 587,163   

 

Depreciation expense on property and equipment was $42.0 million, $34.8 million and $40.2 million for the fiscal years ended July 31, 2013, 2012 and 2011 respectively. Amortization expense of software was $9.5 million, $8.9 million and $0.8 million for the fiscal years ended July 31, 2013, 2012 and 2011 respectively.