Quarterly report pursuant to Section 13 or 15(d)

Common Stock And Earnings Per Share (Narrative) (Details)

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Common Stock And Earnings Per Share (Narrative) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended 0 Months Ended 1 Months Ended
Sep. 27, 2014
Sep. 28, 2013
Sep. 27, 2014
Sep. 28, 2013
Nov. 03, 2014
Subsequent Event [Member]
Nov. 03, 2014
Subsequent Event [Member]
Common Stock And Earnings Per Share [Line Items]            
Equity awards of stock excluded in computation of diluted EPS 414,000 15,000 357,000 445,000    
Shares repurchased and retired 1,073   1,755 414   172
Value of shares repurchased and retired $ 76,558   $ 125,652 $ 18,085   $ 13,167
Remaining approved repurchase amount         $ 61,181