Quarterly report pursuant to Section 13 or 15(d)

Stock Incentive Plans (Details)

v2.4.0.8
Stock Incentive Plans (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
4 Months Ended
Apr. 20, 2014
Apr. 21, 2013
Stock-based compensation expense recognized    
Stock-based compensation expense $ 1,009 $ 1,192
Stock Options
   
Weighted average assumptions used in estimation of fair value of options    
Risk-free interest rate (as a percent) 1.70% 0.70%
Expected years until exercise 5 years 9 months 4 years 1 month
Expected stock volatility (as a percent) 44.70% 44.30%
Dividend yield (as a percent) 0.00% 0.00%
Weighted average Black-Scholes fair value per share at date of grant (in dollars per share) $ 31.53 $ 14.84
Stock Options    
Outstanding, December 29, 2013 (in shares) 491  
Granted (in shares) 67  
Forfeited/ expired (in shares) (6)  
Exercised (shares) (42)  
Outstanding, April 20, 2014 (in shares) 510  
Restricted Stock Units
   
Restricted Stock Units    
Outstanding, December 29, 2013 (in shares) 139  
Granted (in shares) 19  
Forfeited/ expired (in shares) (4)  
Vested (in shares) (22)  
Outstanding, April 20, 2014 (in shares) 132  
Labor related
   
Stock-based compensation expense recognized    
Stock-based compensation expense 31 69
Selling, general, administrative related
   
Stock-based compensation expense recognized    
Stock-based compensation expense $ 978 $ 1,123