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12. Earnings Per Share (Details) - Schedule of Restricted Stock and Restricted Stock Units - shares
shares in Thousands
Oct. 28, 2018
Jan. 28, 2018
12. Earnings Per Share (Details) - Schedule of Restricted Stock and Restricted Stock Units [Line Items]    
Number of Shares Outstanding 36 35
Restricted Stock [Member]    
12. Earnings Per Share (Details) - Schedule of Restricted Stock and Restricted Stock Units [Line Items]    
Number of Shares Outstanding 22 16
Restricted Stock Units (RSUs) [Member]    
12. Earnings Per Share (Details) - Schedule of Restricted Stock and Restricted Stock Units [Line Items]    
Number of Shares Outstanding 14 19