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Property and Equipment (Tables)
9 Months Ended
Apr. 27, 2013
Property, Plant and Equipment [Abstract]  
Schedule of Property and Equipment
Property and equipment consists of the following:
 
 
April 27,
2013
 
July 28,
2012
 
 
(Dollars in thousands)
Land
 
$
3,479

 
$
2,915

Buildings
 
11,411

 
10,630

Leasehold improvements
 
5,085

 
4,674

Vehicles
 
243,650

 
220,669

Computer hardware and software
 
63,740

 
57,965

Office furniture and equipment
 
8,087

 
5,552

Equipment and machinery
 
161,950

 
133,467

Total
 
497,402

 
435,872

Less: accumulated depreciation
 
(308,257
)
 
(277,625
)
Property and equipment, net
 
$
189,145

 
$
158,247

Schedule of Depreciation, Repairs, and Maintenance Expense [Table Text Block]
Depreciation expense and repairs and maintenance were as follows:
 
For the Three Months Ended
 
For the Nine Months Ended
 
April 27, 2013
 
April 28, 2012
 
April 27, 2013
 
April 28, 2012
 
(Dollars in thousands)
Depreciation expense
$
17,477

 
$
13,953

 
$
47,065

 
$
42,132

Repairs and maintenance expense
$
5,616

 
$
3,699

 
$
13,804

 
$
11,936