Acquired Intangible Assets and Goodwill (Details Textual) (USD $)	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010
Amortization	$ 2,200,000	$ 1,600,000	$ 1,300,000
Goodwill, Impairment Loss	13,187,000
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	$ 200,000