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Capital Stock (Unvested Restricted Stock) (Details) (Restricted Stock [Member], USD $)
12 Months Ended
Dec. 29, 2012
Restricted Stock [Member]
 
Unvested Restricted Stock [Roll Forward]  
Unvested awards, beginning of year 2,525,205
Granted awards 695,816
Vested awards (658,561)
Canceled awards (149,630)
Unvested awards, end of year 2,412,830
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]  
Unvested weighted-average grant date fair value, beginning of year $ 22.70
Granted weighted-average grant date fair value $ 20.22
Vested weighted-average grant date fair value $ 22.15
Canceled weighted-average grant date fair value $ 22.28
Unvested weighted-average grant date fair value, end of year $ 22.16