Stock-Based Compensation Arrangements Stock-Based Compensation Arrangements - Summary of Stock-Based Compensation Expense and Associated Tax Benefit Recognized (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Oct. 02, 2016	Sep. 27, 2015	Oct. 02, 2016	Sep. 27, 2015
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation costs		$ 188	$ 166	$ 532
Portion capitalized as property and equipment	[1]	(3)	(2)
Stock-based compensation expense recognized		185	164	522	$ 733
Tax benefit recognized from stock-based compensation awards		0	$ 0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options		$ 2,500		$ 2,500

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