Quarterly report pursuant to Section 13 or 15(d)

Stock-based compensation (Details)

v3.21.1
Stock-based compensation (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
May 01, 2021
May 02, 2020
Stock options    
Weighted-average assumptions to estimate fair value    
Volatility rate (as a percent) 46.90% 43.00%
Average risk-free interest rate (as a percent) 0.40% 0.30%
Average expected life 3 years 10 months 24 days 3 years 4 months 24 days
Dividend yield (as a percent) 0.00% 0.00%
Granted (in shares) 61 248
Stock-based compensation expense $ 2,897 $ 2,475
Weighted-average grant date fair value of options granted (in dollars per share) $ 109.72 $ 54.40
Unrecognized compensation expense $ 20,470  
Restricted stock units    
Weighted-average assumptions to estimate fair value    
Stock-based compensation expense $ 4,835 $ 4,187
Granted (in shares) 52 152
Unrecognized compensation expense $ 36,761  
Performance-based restricted stock units    
Weighted-average assumptions to estimate fair value    
Granted (in shares) 46 0
Stock-based compensation expense $ 1,246 $ (480)
Unrecognized compensation expense $ 19,721