Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Narrative)(Details)

v3.5.0.2
Stock-Based Compensation (Narrative)(Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 26, 2016
Jun. 28, 2015
Jun. 26, 2016
Jun. 28, 2015
Jun. 24, 2016
Stock-based compensation $ 589 $ 449 $ 1,058 $ 805  
ShareBasedCompensationArrangementByShareBasedPaymentAwardEstimatedFairValueOfCommonStockPerShare         $ 35.20
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value     7,000    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value     $ 356    
Employee Stock Option [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     5 years    
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period     10 years    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 552   $ 552    
2012 Omnibus Equity Incentive Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 818,333   818,333    
2012 Omnibus Equity Incentive Plan [Member] | Restricted Stock Units (RSUs) [Member]          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized $ 5,800   $ 5,800    
Minimum [Member] | Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     4 years    
Maximum [Member] | Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     5 years