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Marketable Securities
12 Months Ended
Jan. 31, 2015
Marketable Securities [Abstract]  
Marketable Securities
MARKETABLE SECURITIES:
Marketable securities are classified as available-for-sale and as of January 31, 2015 generally consist of corporate bonds, municipal bonds, and U.S. government and agency securities with $63.3 million of securities with maturity dates within one year or less and $63.3 million with maturity dates over one year and less than two years. As of February 1, 2014, marketable securities generally consisted of municipal bonds, corporate bonds, and U.S. government and agency securities.
The following tables summarize our investments in marketable securities at January 31, 2015 and February 1, 2014:
 
 
January 31, 2015
 
(in thousands)
 
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Estimated
Fair Value
Total marketable securities
$
126,566

 
$
38

 
$
43

 
$
126,561

 
 
 
 
 
 
 
 
 
February 1, 2014
 
(in thousands)
 
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Estimated
Fair Value
Total marketable securities
$
115,889

 
$
118

 
$
5

 
$
116,002