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Earnings Per Share (Tables)
 3 Months Ended
Apr. 30, 2016
Earnings Per Share [Abstract]  
Components of Basic and Diluted Net Income Per Share
The components of basic and diluted earnings per share were as follows (in thousands, except per share data):
 
 
 
Thirteen Weeks Ended
 
 
April 30,
2016
 
May 2,
2015
Numerator:
 
 
 
 
Net income (loss)
 
$
2,418

 
$
(4,136
)
Denominator:
 
 
 
 
Weighted-average number of common shares (basic)
 
37,547

 
39,884

Dilutive effect of stock-based awards
 
177

 
—

Weighted-average number of common shares (diluted)
 
37,724

 
39,884

Earnings (loss) per share:
 
 
 
 
Basic
 
$
0.06

 
$
(0.10
)
Diluted
 
$
0.06

 
$
(0.10
)