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Legal Proceedings (Notes)	12 Months Ended
Legal Proceedings (Notes)	Dec. 31, 2012
Legal Proceedings Disclosure [Abstract]
Legal Proceedings	Legal Proceedings In the normal course of business, the Company becomes involved in litigation. As of December 31, 2012, in the opinion of management, Radisys had no pending litigation that would have a material effect on the Company’s financial position, results of operations or cash flows.