v3.2.0.727
Litigation and Legal Proceedings (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Sep. 30, 2013
Legal Gain (Loss) Contingencies [Line Items]          
Deferred Revenue, Current   $ 110,198,000   $ 124,695,000  
Huawei China [Member] | China, Yuan Renminbi          
Legal Gain (Loss) Contingencies [Line Items]          
Estimated Litigation Liability         $ 20,000,000
Huawei China [Member] | United States of America, Dollars          
Legal Gain (Loss) Contingencies [Line Items]          
Estimated Litigation Liability         $ 3,200,000
ZTE [Member] | China, Yuan Renminbi          
Legal Gain (Loss) Contingencies [Line Items]          
Estimated Litigation Liability   20,000,000      
ZTE [Member] | United States of America, Dollars          
Legal Gain (Loss) Contingencies [Line Items]          
Estimated Litigation Liability   3,300,000      
Arima [Member] | United States of America, Dollars          
Legal Gain (Loss) Contingencies [Line Items]          
Proceeds from Legal Settlements $ 14,500,000 27,200,000 $ 23,600,000    
Arima Taiwan [Member] | United States of America, Dollars          
Legal Gain (Loss) Contingencies [Line Items]          
Estimated Litigation Liability   3,200,000      
Arima Taiwan [Member] | Taiwan, New Dollars          
Legal Gain (Loss) Contingencies [Line Items]          
Estimated Litigation Liability   100,000,000      
Arima China [Member] | China, Yuan Renminbi          
Legal Gain (Loss) Contingencies [Line Items]          
Estimated Litigation Liability   120,000,000      
Arima China [Member] | United States of America, Dollars          
Legal Gain (Loss) Contingencies [Line Items]          
Estimated Litigation Liability   $ 19,600,000