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Earnings Per Share Data (Tables)
 9 Months Ended
Oct. 29, 2016
Earnings Per Share [Abstract]  
Schedule of computation of basic and diluted earnings per share
The following table sets forth the computation of basic and diluted earnings per share for the periods indicated (in thousands, except per share data). 
 
 
Three Months Ended
 
Nine Months Ended
 
 
October 29,
2016
 
October 31,
2015
 
October 29,
2016
 
October 31,
2015
Net income
 
$
22,798

 
$
45,744

 
$
112,312

 
$
185,265

 
 
 
 
 
 
 
 
 
Weighted average shares of common stock outstanding
 
33,962

 
38,341

 
34,717

 
39,876

 
 
 
 
 
 
 
 
 
Basic and diluted earnings per share
 
$
0.67

 
$
1.19

 
$
3.24

 
$
4.65