Share-Based Compensation Manager Share Appreciation Plan (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Schedule of Manager Stock Appreciation Plan [Line Items]
Manager Share Appreciation Plan Award, Fair Value Assumptions, Expected Volatility Rate	45.00%
Manager Share Appreciation Plan Award, Nonvested, Weighted Average Fair Value Price	$ 2.04
Share-based Compensation, Manager Share Appreciation Plan, Fair Value Assumptions, Risk Free Interest Rate	0.60%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	4.5	4.5	3.5
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	162,125
Stock Forfeited During Period, Shares, Restricted Stock Units	13,375
Manager Share Appreciation Plan Grants Unvested, Number	148,750
Manager Share Appreciation Plan Compensation	$ 100
Manager Share Appreciation Plan, Liabilities	$ 100
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	4.2
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	0.00%