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Property and Equipment, Net (Tables)
 12 Months Ended
Jul. 31, 2015
Property, Plant and Equipment [Abstract]  
Schedule of property and equipment
Property and equipment, net consisted of the following:
 
July 31,
(In thousands)
2015
 
2014
Transportation and other equipment
$
70,133

 
$
68,956

Office furniture and equipment
44,837

 
41,504

Software
65,072

 
61,698

Land
481,748

 
475,564

Buildings and leasehold improvements
453,965

 
429,895

 
1,115,755

 
1,077,617

Less: accumulated depreciation and amortization
(415,353
)
 
(385,234
)
Property and equipment, net
$
700,402

 
$
692,383