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Employee Benefit Plans (Details 4) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Shares        
Beginning Balance, Shares 1,039 1,220 1,400  
Granted (in shares) 41 279 303  
Exercised (in shares) (332) (386) (461)  
Forfeited or expired (in shares) (70) (74) (22)  
Ending Balance, Shares 678 1,039 1,220 1,400
Exercisable at end of period (in shares) 391      
Weighted-Average Exercise Price Per Share        
Beginning Balance, Weighted-average Exercise Price (in dollars per share) $ 63.56 $ 41.20 $ 25.55  
Granted (in dollars per share) $ 104.62 $ 124.61 $ 87.73  
Exercised (in dollars per share) $ 35.64 $ 30.28 $ 23.95  
Forfeited or expired (in dollars per share) $ 97.62 $ 98.53 $ 47.44  
Ending Balance, Weighted-average Exercise Price (in dollars per share) $ 76.15 $ 63.56 $ 41.20 $ 25.55
Stock Options and Stock Appreciation Rights Exercisable, Weighted- Average Exercise Price (in dollars per share) $ 59.59      
Weighted-Average Remaining Contractual Term        
Beginning of period 6 years 2 months 12 days 6 years 4 months 24 days 5 years 9 months 18 days 5 years 9 months 18 days
End of period 6 years 2 months 12 days 6 years 4 months 24 days 5 years 9 months 18 days 5 years 9 months 18 days
Exercisable at end of period 5 years 6 months      
Aggregate Intrinsic Value        
Beginning of period $ 36,708 $ 49,125 $ 62,889  
Exercised 24,820 32,201 33,267  
End of period 31,794 36,708 49,125 62,889
Exercisable at end of period $ 24,457