Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Narrative)(Details)

v2.4.0.8
Stock-Based Compensation (Narrative)(Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 24, 2012
Jun. 30, 2013
Jun. 24, 2012
Stock-based compensation $ 138,000 $ 114,000 $ 236,000 $ 175,000
ShareBasedCompensationArrangementByShareBasedPaymentAwardEstimatedFairValueOfCommonStockPerShare     $ 38.34  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 10.93  
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized 2,100,000   2,100,000  
Employee Service Share Based Compensation Costs Recognized in Event of Change of Control     $ 486,000  
2006 Equity Incentive Plan [Member]
       
Share-Based Compensation Vesting Percentage     20.00%  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     5 years  
Share-Based Compensation Maximum Term of Stock Options     10 years  
2012 Omnibus Equity Incentive Plan [Member]
       
Share-Based Compensation Vesting Percentage     20.00%  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     5 years  
Share-Based Compensation Maximum Term of Stock Options     10 years  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 1,084,381   1,084,381