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Property and Equipment
 6 Months Ended
Jul. 31, 2021
Property, Plant and Equipment [Abstract]  
Property and Equipment Property and Equipment
 
Property and equipment consisted of the following (dollars in thousands):
Estimated Useful Lives (Years)July 31, 2021January 30, 2021
Land—$4,127 $3,796 
Buildings
10-35
10,600 11,169 
Leasehold improvements
1-10
17,666 17,030 
Vehicles
1-5
662,946 626,809 
Computer hardware and software
1-7
153,158 144,989 
Office furniture and equipment
1-10
13,045 13,293 
Equipment and machinery
1-10
311,444 300,143 
Total1,172,986 1,117,229 
Less: accumulated depreciation(896,327)(843,269)
Property and equipment, net$276,659 $273,960 

Depreciation expense was $33.8 million and $39.0 million for the three months ended July 31, 2021 and July 25, 2020, respectively, and $68.2 million and $79.6 million for the six months ended July 31, 2021 and July 25, 2020, respectively.