Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Narrative)(Details)

v2.4.0.6
Stock-Based Compensation (Narrative)(Details) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 25, 2012
Stock-based compensation $ 98,000 $ 61,000
ShareBasedCompensationArrangementByShareBasedPaymentAwardEstimatedFairValueOfCommonStockPerShare $ 32.58  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 10.95  
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized 2,100,000  
Employee Service Share Based Compensation Costs Recognized in Event of Change of Control $ 535,000  
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 1,095,068