Contingencies (Details) (Patent Infringement [Member], USD $)	0 Months Ended
	Apr. 22, 2013	Oct. 23, 2012
Patent Infringement [Member]
Loss Contingencies [Line Items]
Litigation Settlement, Amount	$ 1,500,000	$ 500,000
Litigation settlement amount, net of taxes	$ 1,000,000
Litigation settlement amount, impact on diluted earnings per share	$ 0.04