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Stockbased Compensation, Stock Option Disclosures (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 28, 2014
Jun. 29, 2013
Stock-based Compensation Expense Disclosure [Abstract]    
Tax benefit related to employees' and directors' stock plans $ 55.5 $ 28.4
Options Outstanding [Roll Forward]    
Granted 2.5