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Property and Equipment
9 Months Ended
Apr. 25, 2015
Property, Plant and Equipment [Abstract]  
Property and Equipment
Property and Equipment
 
Property and equipment consisted of the following:
 
Estimated Useful Lives
 
April 25,
2015
 
July 26,
2014
 
(Years)
 
(Dollars in thousands)
Land
 
$
3,408

 
$
3,408

Buildings
10-35
 
11,655

 
11,589

Leasehold improvements
1-10
 
6,950

 
5,335

Vehicles
1-5
 
308,887

 
279,631

Computer hardware and software
3-10
 
84,235

 
73,349

Office furniture and equipment
2-7
 
8,244

 
7,790

Equipment and machinery
1-10
 
191,323

 
177,608

Total
 
 
614,702

 
558,710

Less: accumulated depreciation
 
 
(388,374
)
 
(353,297
)
Property and equipment, net
 
 
$
226,328

 
$
205,413


 
Depreciation expense was $19.8 million and $18.6 million for the three months ended April 25, 2015 and April 26, 2014, respectively, and $57.8 million and $55.7 million for the nine months ended April 25, 2015 and April 26, 2014, respectively.