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Stock-Based Compensation (Summary Of Changes In Non-Vested Awards) (Detail) (Nonvested Performance Shares [Member], USD $)
12 Months Ended
Dec. 29, 2012
Nonvested Performance Shares [Member]
 
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]  
Shares, Non-vested performance awards at beginning of year 707,000
Shares, Granted 203,000
Shares, Vested (379,000)
Shares, Cancellations and other (22,000)
Shares, Non-vested performance awards at end of year 509,000
Fair Value Price per Share, Non-vested performance awards at beginning of year $ 48.87 [1]
Fair Value Price per Share, Granted $ 60.00 [1]
Fair Value Price per Share, Vested $ 41.01 [1]
Fair Value Price per Share, Cancellations and other $ 44.93 [1]
Fair Value Price per Share, Non-vested performance awards at end of year $ 59.36 [1]
[1] Weighted-average