Stock-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2015	Sep. 28, 2014	Sep. 27, 2015	Sep. 28, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock-based compensation	$ 367	$ 296	$ 1,071	$ 883
Unrecognized Stock-Based Compensation Expense, Non-vested Shares	2,900		$ 2,900
Weighted Average Remaining Vesting Period, Non-Vested Shares			2 years 7 months 6 days
Expected Stock-Based Compensation, Remainder of Fiscal Year	$ 400		$ 400