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Subsequent Events
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12 Months Ended |
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Dec. 31, 2013
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| Subsequent Events [Abstract] | |
| SUBSEQUENT EVENTS | SUBSEQUENT EVENT In January 2014, we entered into an agreement with Palo Alto Networks, Inc. (“Palo Alto Networks”), whereby Palo Alto Networks paid us a lump sum payment of $20.0 million for a six year mutual covenant-not-to-sue which precludes either party from asserting claims of patent infringement against the other party. The agreement also contained a release of past claims. |