Nature of Business and Basis of Presentation (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013 weeks	Sep. 29, 2012
Nature of Business and Basis of Presentation (Textual) [Abstract]
Fiscal year reporting period			52/53 week
Number of weeks in fiscal quarter			13
Foreign currency transaction losses	$ 0.4	$ 0.1	$ 0.4	$ 0.4
Maximum period of delivery to customers under service contract arrangements			6 months