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Stock-Based Compensation And Other Stock Plans (Summary Of Changes In Non-Vested Awards) (Detail) (Stock Appreciation Rights [Member], USD $)
12 Months Ended
Dec. 29, 2012
Stock Appreciation Rights [Member]
 
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]  
Shares, Non-vested performance awards at beginning of year 232,000
Shares, Granted 130,000
Shares, Vested (109,000)
Shares, Cancellations (15,000)
Shares, Non-vested performance awards at end of year 238,000
Fair Value Price per Share, Non-vested performance awards at beginning of year $ 13.56 [1]
Fair Value Price per Share, Granted $ 24.70 [1]
Fair Value Price per Share, Vested $ 32.33 [1]
Fair Value Price per Share, Cancellations    [1]
Fair Value Price per Share, Non-vested performance awards at end of year $ 24.26 [1]
[1] Weighted-average