Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified		0 Months Ended
	Sep. 30, 2013	Jul. 25, 2013 Patent Infringement Litigation Versus Chrismar Systems, Inc.
Commitments and Contingencies Disclosure [Abstract]
Non-cancelable purchase commitments	$ 80.0
Loss Contingencies [Line Items]
Amount paid to defendant for patent license fees in settlement agreement		$ (1.4)