Stockholders' Equity and Stock-Based Compensation - Summary of Activity of Stock Options (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 24, 2016	Dec. 26, 2015
Activity of stock option plans [Roll Forward]
Number of Shares Outstanding (Options), Beginning Balance (in shares)	1,051,867
Number of Shares Outstanding (Options), Exercised (in shares)	(352,996)
Number of Shares Outstanding (Options), Cancelled (in shares)	(166,849)
Number of Shares Outstanding (Options), Ending Balance (in shares)	532,022	1,051,867
Number of Shares Outstanding (Options), Exercisable (in shares)	480,462
Weighted average exercise price for stock option plans [Roll Forward]
Weighted Average Exercise Price, Beginning Balance (in dollars per share)	$ 14.60
Weighted Average Exercise Price, Exercised (in dollars per share)	13.33
Weighted Average Exercise Price, Cancelled (in dollars per share)	15.79
Weighted Average Exercise Price, Ending Balance (in dollars per share)	15.06	$ 14.60
Weighted Average Exercise Price, Exercisable (in dollars per share)	$ 14.91
Weighed Average Remaining Contractual Term, Outstanding	2 years 3 months 26 days	2 years 5 months 16 days
Weighed Average Remaining Contractual Term, Exercisable	2 years 1 month 24 days
Aggregate Intrinsic Value, Outstanding	$ 3,849	$ 1,916
Aggregate Intrinsic Value, Exercisable	$ 3,546