Annual report pursuant to Section 13 and 15(d)

Investments (Details)

v3.8.0.1
Investments (Details) - USD ($)
$ in Thousands
Feb. 03, 2018
Jan. 28, 2017
Investments    
Short-term investments $ 120,000 $ 30,000
Certificates of deposit    
Investments    
Short-term investments $ 120,000 $ 30,000