Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Summary of Stock-Based Compensation Activity - Stock Options) (Details)

v3.7.0.1
Stock-Based Compensation (Summary of Stock-Based Compensation Activity - Stock Options) (Details)
$ / shares in Units, $ in Thousands
6 Months Ended
Jun. 25, 2017
USD ($)
$ / shares
shares
Shares  
Outstanding at December 25, 2016 | shares 316,027
Exercised | shares (16,799)
Forfeited | shares (5,846)
Outstanding at June 25, 2017 | shares 293,382
Exercisable at June 25, 2017 | shares 262,116
Weighted Average Exercise Price  
Outstanding at December 25, 2016 | $ / shares $ 18.64
Exercised | $ / shares 7.44
Forfeited | $ / shares 29.27
Outstanding at June 25, 2017 | $ / shares 19.07
Exercisable at June 25, 2017 | $ / shares $ 18.04
Weighted Average Remaining Contractual Term (Years)  
Outstanding at June 25, 2017 4 years 6 months 22 days
Exercisable at June 25, 2017 4 years 4 months 28 days
Aggregate Intrinsic Value  
Outstanding at June 25, 2017 | $ $ 1,717
Exercisable at June 25, 2017 | $ $ 1,712