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Stock-Based Employee Compensation (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Jan. 02, 2012	Dec. 27, 2010
Stock-based compensation expense
Total non-cash, stock-based compensation expense, net of forfeitures	$ 399	$ 371	$ 607
Stock option
Stock-based compensation expense
Total non-cash, stock-based compensation expense, net of forfeitures			1
Restricted stock and restricted stock units
Stock-based compensation expense
Total non-cash, stock-based compensation expense, net of forfeitures	$ 399	$ 371	$ 606

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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