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Earnings Per Share (Computations Of Basic And Diluted Net Earnings Per Share) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Apr. 02, 2011
Earnings Per Share [Abstract]    
Net earnings $ 145,104 $ 159,841
Earnings allocated to participating securities (409) (599)
Net earnings available to common stockholders 144,695 159,242
Average shares outstanding 317,689 316,595
Basic net earnings per share $ 0.46 $ 0.50
Earnings allocated to participating securities, diluted (409) (599)
Net earnings available to common stockholders $ 144,695 $ 159,242
Basic shares outstanding 317,689 316,595
Dilutive effect of stock options and other 90 279
Diluted average shares outstanding 317,779 316,874
Diluted net earnings per share $ 0.46 $ 0.50