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
		Apr. 02, 2017	Apr. 03, 2016
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation costs		$ 154	$ 168
Portion capitalized as property and equipment	[1]	(3)	(33)
Stock-based compensation expense recognized		151	135
Tax benefit recognized from stock-based compensation awards		0	$ 4
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options		$ 2,100

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