Intangible Assets (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Intangible Assets (Additional Textual) [Abstract]
Total amortization expense	$ 0.9	$ 0.8	$ 2.6	$ 2.5
Minimum [Member]
Intangible Assets (Textual) [Abstract]
Finite-lived intangibles estimated lives			2 years
Maximum [Member]
Intangible Assets (Textual) [Abstract]
Finite-lived intangibles estimated lives			10 years