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Stock-Based Compensation
 9 Months Ended
Oct. 31, 2020
Share-based Payment Arrangement [Abstract]  
Stock-Based Compensation STOCK-BASED COMPENSATION
Stock-based compensation expense consisted of the following:
Three months ended Nine months ended
(in thousands)October 31, 2020November 2, 2019October 31, 2020November 2, 2019
Stock options$338 $428 $1,208 $1,814 
Restricted and director stock units4,242 3,589 13,968 11,934 
$4,580 $4,017 $15,176 $13,748 

The following table summarizes the stock-based compensation award activity for the nine months ended October 31, 2020:
Number of shares
(in thousands)Stock OptionsTime-Based RSUsPerformance-Based RSUs
Outstanding - beginning of period3,761 1,687 768 
Granted— 5,874 11 
Exercised / vested— (329)(226)
Forfeited / expired(401)(682)(13)
Outstanding - end of period3,360 6,550 540