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12. Subsequent Events (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Sep. 06, 2017
Aug. 29, 2017
Jul. 30, 2017
Jul. 31, 2016
Jul. 30, 2017
Jul. 31, 2016
12. Subsequent Events (Details) [Line Items]            
Common Stock, Dividends, Per Share, Declared (in Dollars per share)     $ 0.12 $ 0.10 $ 0.24 $ 0.20
Subsequent Event [Member]            
12. Subsequent Events (Details) [Line Items]            
Dividends Payable, Date Declared   Aug. 29, 2017        
Common Stock, Dividends, Per Share, Declared (in Dollars per share)   $ 0.12        
Dividends Payable, Date to be Paid   Sep. 29, 2017        
Dividends Payable, Date of Record   Sep. 15, 2017        
Subsequent Event [Member] | Acquisition of Shenandoah Furniture, Inc. [Member]            
12. Subsequent Events (Details) [Line Items]            
Business Combination, Consideration Transferred $ 40          
Payments to Acquire Businesses, Gross 32          
Business Combination, Consideration Transferred, Liabilities Incurred 12          
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable $ 8