Share-Based Compensation Manager Share Appreciation Plan (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Schedule of Manager Stock Appreciation Plan [Line Items]
MSAP compendation expense COS		$ (11)	$ 33
MSAP compensation SG&A		$ (216)	$ 388
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 2.47	$ 0.00	$ 0.00
Manager Share Appreciation Plan Award, Fair Value Assumptions, Expected Volatility Rate	0.00%
Manager Share Appreciation Plan Award, Nonvested, Weighted Average Fair Value Price			$ 2.04	$ 2.59
Share-based Compensation, Manager Share Appreciation Plan, Fair Value Assumptions, Risk Free Interest Rate	0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	4 years	0 days	0 days
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	0.00%	0.00%	0.00%
Stock Issued During Period, Grants, Manager Share Appreciation Plan Awards	0	242,400	244,750
Number of Shares Related to Manager Share Appreciation Plan Awards, Vested	0	(103,648)	(78,911)
Number of Shares Related to Manager Share Appreciation Plan Awards, Cashed Out	0	(382,054)
Number of Shares Related to Manager Share Appreciation Plan Awards, Forfeited	0	(87,057)	(73,250)
Manager Share Appreciation Plan Grants Unvested, Number	0	0	330,359	237,770
Manager Share Appreciation Plan Compensation	$ 0	$ (227)	$ 421
Manager Stock Appreciation Plan [Member]
Schedule of Manager Stock Appreciation Plan [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term		4 years 2 months 12 days	4 years 1 month 6 days
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	0.00%	0.00%	0.00%
Minimum [Member]
Schedule of Manager Stock Appreciation Plan [Line Items]
Manager Share Appreciation Plan Award, Fair Value Assumptions, Expected Volatility Rate		32.00%	34.00%
Share-based Compensation, Manager Share Appreciation Plan, Fair Value Assumptions, Risk Free Interest Rate		0.50%	0.80%
Maximum [Member]
Schedule of Manager Stock Appreciation Plan [Line Items]
Manager Share Appreciation Plan Award, Fair Value Assumptions, Expected Volatility Rate		39.00%	37.00%
Share-based Compensation, Manager Share Appreciation Plan, Fair Value Assumptions, Risk Free Interest Rate		1.20%	1.40%