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Earnings Per Share
 9 Months Ended
Oct. 28, 2017
Earnings Per Share [Abstract]  
Earnings Per Share
Earnings Per Share
Basic earnings per share is computed based on the weighted-average number of common shares outstanding during the period. Diluted earnings per share is computed based on the weighted-average number of common shares outstanding, plus the effect of dilutive potential common shares outstanding during the period using the treasury stock method. Dilutive potential common shares represent outstanding restricted stock units. As a result of the net loss in the current-year thirty-nine week period, dilutive potential common shares were anti-dilutive. The components of basic and diluted earnings per share were as follows (in thousands, except per share data):
 
 
 
Thirteen Weeks Ended
 
Thirty-Nine Weeks Ended
 
 
October 28,
2017
 
October 29,
2016
 
October 28,
2017
 
October 29,
2016
Numerator:
 
 
 
 
 
 
 
 
Net income (loss)
 
$
359

 
$
8,780

 
$
(1,497
)
 
$
16,307

Denominator:
 
 
 
 
 
 
Weighted-average number of common shares (basic)
 
35,885

 
36,557

 
36,081

 
37,045

Dilutive effect of stock-based awards
 
74

 
125

 
—

 
128

Weighted-average number of common shares (diluted)
 
35,959

 
36,682

 
36,081

 
37,173

Earnings (loss) per share:
 
 
 
 
 
 
Basic
 
$
0.01

 
$
0.24

 
$
(0.04
)
 
$
0.44

Diluted
 
$
0.01

 
$
0.24

 
$
(0.04
)
 
$
0.44


As of October 28, 2017 and October 29, 2016, there were an immaterial number of additional shares issuable upon the vesting of restricted stock units that were excluded from the diluted share calculations because they were anti-dilutive.