Summary of Significant Accountin Policies (Tables)
 12 Months Ended
Jan. 31, 2015
Summary of Significant Accounting Policies [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
The following table presents the Company's financial assets measured at fair value on a recurring basis as of January 31, 2015 and February 1, 2014, aggregated by the level in the fair value hierarchy within which those measurements fall.
 
 
January 31, 2015
 
Level 1
Level 2
Level 3
 
(in thousands)
U.S. treasury securities money market funds
$
166,602

$
—

$
—

 
 
 
February 1, 2014
 
Level 1
Level 2
Level 3
 
(in thousands)
U.S. treasury securities money market funds
$
290,361

$
—

$
—
Schedule of Depreciable Lives
Property and equipment are stated at cost. Depreciation of property and equipment is computed on a straight-line basis, using the following useful lives:
 
Category
 
Depreciable Life
 
Software, including software developed for internal use
3 - 7 years
Store related assets and other property and equipment
3 - 10 years
Furniture, fixtures and equipment
5 - 7 years
Leasehold improvements
Shorter of lease term or useful life of the asset, typically no longer than 15 years
Building improvements
6 - 30 years
Schedule of Revenue from External Customers by Channel
The following is information regarding the Company's major product and sales channels:

 
2014
 
2013
 
2012
 
(in thousands)
Apparel
$
1,883,641

 
$
1,922,868

 
$
1,872,844

Accessories and other
240,052

 
254,426

 
250,180

Other revenue
41,788

 
41,831

 
34,203

Total net sales
$
2,165,481

 
$
2,219,125

 
$
2,157,227

 
2014
 
2013
 
2012
 
(in thousands)
Stores
$
1,769,478

 
$
1,836,704

 
$
1,851,527

E-commerce
354,215

 
340,590

 
271,497

Other revenue
41,788

 
41,831

 
34,203

Total net sales
$
2,165,481

 
$
2,219,125

 
$
2,157,227