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Stockholders' Equity (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Oct. 26, 2016
Oct. 02, 2016
Jan. 03, 2016
Oct. 04, 2015
Oct. 02, 2016
Jul. 27, 2016
Oct. 23, 2014
Schedule of Shareholders' Equity [Line Items]              
Stock repurchase program, number of shares authorized to be repurchased           8,000,000 8,000,000
Number of common stock repurchased in open market         3,200,000    
Stock Repurchased During Period, Value         $ 148.2    
Stock repurchase program, number of shares remained available for repurchase   8,000,000     8,000,000    
Repurchased Common Shares For Activity Pursuant to Equity Incentive Plans         72,058    
Aggregate Cost of Repurchased Common Shares for Activity Pursuant to Equity Incentive Plans         $ 3.4    
Cash dividends (per share)   $ 0.07 $ 0.07 $ 0.07      
Dividends Payable, Amount   $ 7.7     $ 7.7    
Subsequent Event [Member]              
Schedule of Shareholders' Equity [Line Items]              
Cash dividends (per share) $ 0.07