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Property and Equipment, Net
12 Months Ended
Jan. 31, 2016
Property, Plant and Equipment [Abstract]  
Property and Equipment, Net
Property and Equipment, Net
Property and equipment, net consisted of the following (in thousands): 
 
January 31,
 
2016
 
2015
Computers, equipment and software
$
230,705

 
$
139,569

Computers, equipment and software acquired under capital leases
24,400

 
34,112

Furniture and fixtures
18,894

 
13,082

Leasehold improvements
90,562

 
47,496

 
364,561

 
234,259

Less accumulated depreciation and amortization
(150,403
)
 
(94,123
)
Property and equipment, net
$
214,158

 
$
140,136


Depreciation expense was $71 million, $46 million and $29 million for fiscal 20162015 and 2014, respectively. These amounts include depreciation of assets recorded under capital leases of $3 million, $9 million and $12 million for fiscal 20162015 and 2014, respectively.