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Property and Equipment (Tables)
12 Months Ended
Jul. 27, 2013
Property, Plant and Equipment [Abstract]  
Schedule of Property and Equipment
Property and equipment consists of the following:
 
General Useful Lives
 
July 27,
2013
 
July 28,
2012
 
(Years)
 
(Dollars in thousands)
Land
 
$
3,479

 
$
2,915

Buildings
10-35
 
11,449

 
10,630

Leasehold improvements
1-15
 
5,154

 
4,674

Vehicles
1-5
 
258,211

 
220,669

Computer hardware and software
3-10
 
64,191

 
57,965

Office furniture and equipment
2-7
 
7,915

 
5,552

Equipment and machinery
1-10
 
171,742

 
133,467

Total
 
 
522,141

 
435,872

Less: accumulated depreciation
 
 
(319,438
)
 
(277,625
)
Property and equipment, net
 
 
$
202,703

 
$
158,247

Schedule of Depreciation, Repairs, and Maintenance Expense
Depreciation expense and repairs and maintenance were as follows:
 
Fiscal Year Ended
 
2013
 
2012
 
2011
 
(Dollars in thousands)
Depreciation expense
64,756

 
56,187

 
55,727

Repairs and maintenance expense
19,408

 
15,623

 
15,130