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Employee Benefit Plans (Tables)
12 Months Ended
Dec. 28, 2013
Employee Benefit Plans  
Schedule Of weighted average assumptions for the stock options and stock appreciation rights grants

The table below outlines the weighted average assumptions for these award grants:

Fiscal Year
  2013   2012   2011  

Risk-free interest rate

    0.8 %   1.1 %   1.1 %

Expected term (in years)

    4.7     5.1     4.7  

Expected volatility

    55.1 %   51.1 %   45.2 %

Expected dividend yield

    0.0 %   0.0 %   0.0 %

Estimated fair value per stock option/stock appreciation right granted

  $ 48.19   $ 56.08   $ 33.10  
Summary of stock options and stock appreciation rights activity

The following table summarizes stock option and stock appreciation rights activity:

Stock Options and Stock Appreciation Rights
  Shares   Weighted-Average
Exercise Price
  Weighted-Average
Remaining
Contractual
Term (Years)
  Aggregate
Intrinsic
Value
 
 
  in thousands
   
   
  in thousands
 

Outstanding at January 1, 2011

    1,400   $ 25.55     5.8   $ 62,889  

Granted

    303     87.73              

Exercised

    (461 )   23.95           33,267  

Forfeited or expired

    (22 )   47.44              
                         

Outstanding at December 31, 2011

    1,220     41.20     5.8     49,125  

Granted

    279     124.61              

Exercised

    (386 )   30.28           32,201  

Forfeited or expired

    (74 )   98.53              
                         

Outstanding at December 29, 2012

    1,039     63.56     6.4     36,708  

Granted

    41     104.62              

Exercised

    (332 )   35.64           24,820  

Forfeited or expired

    (70 )   97.62              
                         

Outstanding at December 28, 2013

    678     76.15     6.2     31,794  
                         
                         

Exercisable at December 28, 2013

    391   $ 59.59     5.5   $ 24,457  
                         
                         
Summary of stock options and stock appreciation rights outstanding and exercisable

The following table summarizes information with respect to stock options and stock appreciation rights outstanding and exercisable at December 28, 2013:

Stock Options Outstanding   Stock Options Exercisable  
Range of Exercise Prices
  Number of
Shares
  Weighted-Average
Exercise Price
  Weighted-Average
Remaining
Contractual
Term (Years)
  Number of
Shares
  Weighted-Average
Exercise Price
 
 
  in thousands
   
   
  in thousands
   
 

$13.65 - $21.51

    85   $ 15.41     4.4     64   $ 15.98  

$21.51 - $34.59

    64     29.13     3.0     64     29.13  

$34.59 - $67.10

    81     39.73     5.6     81     39.73  

$67.10 - $106.40

    116     80.92     7.3     65     80.72  

$106.40 - $131.46

    178     128.08     8.1     63     128.09  
                       

Total

    524   $ 73.70     6.3     337   $ 57.59  
                       
                       


 

Stock Appreciation Rights Outstanding   Stock Appreciation Rights
Exercisable
 
Range of Exercise Prices
  Number of
Shares
  Weighted-Average
Exercise Price
  Weighted-Average
Remaining
Contractual
Term (Years)
  Number of
Shares
  Weighted-Average
Exercise Price
 
 
  in thousands
   
   
  in thousands
   
 

$13.65 - $21.51

    20   $ 13.65     3.2     6   $ 13.65  

$21.51 - $34.59

    6     30.71     2.2     6     30.71  

$34.59 - $67.10

    16     42.68     4.6     13     40.07  

$67.10 - $106.40

    67     92.67     6.5     13     82.01  

$106.40 - $131.46

    45     126.34     6.2     16     127.96  
                       

Total

    154   $ 84.50     5.6     54   $ 72.05  
                       
                       
Summary of restricted stock and restricted stock unit activity

The following table summarizes restricted stock and restricted stock unit activity:

Restricted Stock and Restricted Stock Units
  Number of
Shares
  Weighted-Average
Grant-Date
Fair Value
 
 
  in thousands
   
 

Nonvested at January 1, 2011

    430   $ 29.03  

Granted

    105     86.80  

Vested

    (172 )   29.29  

Forfeited

    (11 )   42.98  
             

Nonvested at December 31, 2011

    352     45.70  

Granted

    102     110.72  

Vested

    (161 )   45.14  

Forfeited

    (16 )   67.62  
             

Nonvested at December 29, 2012

    277     68.69  

Granted

    140     106.76  

Vested

    (171 )   57.83  

Forfeited

    (27 )   86.51  
             

Nonvested at December 28, 2013

    219   $ 99.27