Investments (Tables)
3 Months Ended
Apr. 29, 2017
Schedule of Investments [Abstract]  
Summary of Investments
The following table summarizes the Company's long-term investments (in thousands):
 
April 29, 2017
 
January 28, 2017
U.S. corporate debt securities
$
7,282

 
$

Non-U.S. corporate debt securities
6,144

 

Municipal securities
2,079

 

U.S. treasury securities
2,014

 

Total long-term investments
$
17,519

 
$

The following table summarizes the Company's short-term investments (in thousands):
 
April 29, 2017
 
January 28, 2017
Municipal securities
$
4,533

 
$

Commercial paper
3,491

 

U.S. corporate debt securities
1,465

 

Certificate of deposit

 
30,152

Total short-term investments
$
9,489

 
$
30,152