Contingencies (Intellectual Property) (Narrative) (Details) (Intellectual Property, USD $) In Millions, unless otherwise specified	0 Months Ended	6 Months Ended
	May 24, 2011	Jun. 30, 2014 increase
Intellectual Property
Loss Contingencies [Line Items]
Bond	$ 10.0
Number of times damages may be increased in cases of willful infringement		3