Employee Benefit Plan (Details) (USD $)	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010
Schedule of Benefit Plans Disclosure [Line Items]
Employee age threshhold for higher annual contribution	50 years
Employer matching percentage	50.00%
Maximum amount of employee contribution that employer matches	3.00%
Amount charged to operations in connection with the plan	$ 210,000	$ 229,000	$ 238,000
Under the age of 50
Schedule of Benefit Plans Disclosure [Line Items]
Maximum amount of annual compensation that can be deferred	17,000
Over the age fo 50
Schedule of Benefit Plans Disclosure [Line Items]
Maximum amount of annual compensation that can be deferred	$ 22,500