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Capital Stock and Dividends (Details) - $ / shares
3 Months Ended 9 Months Ended
Oct. 31, 2016
Aug. 01, 2016
May 02, 2016
Feb. 03, 2016
Aug. 03, 2015
May 04, 2015
Feb. 04, 2015
Sep. 24, 2016
Sep. 26, 2015
Sep. 24, 2016
Sep. 26, 2015
Subsequent Event [Line Items]                      
Dividend Amount Per Share   $ 0.24 $ 0.24 $ 0.20 $ 0.20 $ 0.20 $ 0.16 $ 0.24 $ 0.20 $ 0.68 $ 0.56
Subsequent Event                      
Subsequent Event [Line Items]                      
Dividend Amount Per Share $ 0.24