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Employee Benefit Plans (Stock Option and Stock Appreciation Rights Activity) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Jan. 02, 2016
Jan. 03, 2015
Dec. 28, 2013
Dec. 29, 2012
Shares        
Outstanding at beginning of period (in shares) 663 678 1,039  
Granted (in shares) 1,496 94 41  
Exercised (in shares) (36) (91) (332)  
Forfeited or expired (in shares) (95) (18) (70)  
Outstanding at end of period (in shares) 2,028 663 678 1,039
Exercisable (in shares) 516      
Weighted-Average Exercise Price        
Outstanding at beginning of period (in dollars per share) $ 85.08 $ 76.15 $ 63.56  
Granted (in dollars per share) 41.16 111.90 104.62  
Exercised (in dollars per share) 31.04 39.20 35.64  
Forfeited or expired (in dollars per share) 102.86 120.77 97.62  
Outstanding at end of period (in dollars per share) 52.80 $ 85.08 $ 76.15 $ 63.56
Exercisable (in dollars per share) $ 82.84      
Weighted-Average Remaining Contractual Term (Years)        
Outstanding 8 years 8 months 6 days 5 years 7 months 6 days 6 years 2 months 12 days 6 years 4 months 24 days
Exercisable 4 years 5 months 6 days      
Aggregate Intrinsic Value        
Outstanding $ 2,095 $ 20,751 $ 31,794 $ 36,708
Exercised 1,544 $ 6,391 $ 24,820  
Exercisable $ 1,633