Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Summary of Stock-Based Compensation Activity - Restricted Stock Units) (Details)

v3.8.0.1
Stock-Based Compensation (Summary of Stock-Based Compensation Activity - Restricted Stock Units) (Details)
9 Months Ended
Sep. 24, 2017
$ / shares
shares
Shares  
Outstanding at December 25, 2016 | shares 206,750
Granted | shares 126,034
Vested | shares (66,468)
Forfeited | shares (7,166)
Outstanding at September 24, 2017 | shares 259,150
Weighted Average Fair Value  
Outstanding at December 25, 2016 | $ / shares $ 31.57
Granted | $ / shares 28.02
Vested | $ / shares 32.14
Forfeited | $ / shares 30.37
Outstanding at September 24, 2017 | $ / shares $ 29.73
Weighted Average Remaining Contractual Term [Abstract]  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms 2 years 9 months 4 days