Basis Of Presentation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2014 source	Dec. 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of Revenue Sources from Products and Services	4
Deferred Revenue [Abstract]
Deferred revenue, gross	$ 7.5	$ 8.7
Deferred costs, gross	$ 1.2	$ 2.2