Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

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Income Taxes (Details) - USD ($)
12 Months Ended
Feb. 02, 2019
Nov. 02, 2019
Jul. 10, 2015
Operating Loss Carryforwards [Line Items]      
Operating Loss Carryforwards $ 338,000,000    
Shareholder Rights Plan [Abstract]      
Preferred Stock, Par or Stated Value Per Share $ 0.01 $ 0.01  
one one-thousandth of a share of Preferred Stock unit price     $ 9.00
Earliest Tax Year [Member]      
Operating Loss Carryforwards [Line Items]      
Operating Loss Carryforwards, Expiration Date Feb. 03, 2024    
Latest Tax Year [Member]      
Operating Loss Carryforwards [Line Items]      
Operating Loss Carryforwards, Expiration Date Jan. 30, 2038