Annual report pursuant to Section 13 and 15(d)

RETIREMENT AND STOCK PURCHASE PLANS - ESPP (Details)

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RETIREMENT AND STOCK PURCHASE PLANS - ESPP (Details) - USD ($)
12 Months Ended
Feb. 01, 2020
Feb. 02, 2019
Feb. 03, 2018
Stock Plans      
Share-based compensation expense $ 8,600,000 $ 17,700,000 $ 24,100,000
Employee Stock Purchase Plan (ESPP)      
Stock Plans      
Purchase price percentage of fair market value 85.00%    
Number of shares available for purchase   1,000,000  
Total of shares available for purchase under ESPP   3,137,500  
Contributions of plan pay all brokerage, service and other costs incurred $ 0    
Maximum shares allowable to purchase in each quarter per participant 125    
Number of shares purchased by employees 344,433 103,081 167,673
Weighted-average share price of shares purchased (in dollars per share) $ 4.53 $ 16.76 $ 10.74
Share-based compensation expense $ 600,000 $ 600,000 $ 600,000
Number of shares reserved for future issuance 783,442