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Earnings Per Share And Shareholders' Equity (Schedule of Company's Repurchase Program) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
May 05, 2018
May 04, 2019
Oct. 28, 2017
Shares Repurchased 2,090    
Amount Repurchased $ 83,000    
March 2018 Repurchase Program [Member]      
Amount Authorized $ 250,000    
Shares Repurchased 1,563    
Amount Repurchased $ 58,000    
Average Stock Price of Shares Repurchased within Program $ 36.93    
Remaining authorized repurchase amount   $ 79,000  
September 2017 Repurchase Program [Member]      
Amount Authorized     $ 250,000
Shares Repurchased 527    
Amount Repurchased $ 25,000    
Average Stock Price of Shares Repurchased within Program $ 46.98    
Remaining authorized repurchase amount $ 23,000    
Accounts Payable [Member] | March 2018 Repurchase Program [Member]      
Share repurchase reflected in Accounts payable $ 4,000