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Commitments and Contingencies - Gain and Loss Contingencies (Details)
$ in Millions
1 Months Ended 2 Months Ended
Jun. 10, 2015
subsidiary
patent
customer
Dec. 16, 2014
patent
Jun. 28, 2013
patent
Feb. 01, 2013
claim
patent
Mar. 02, 2012
patent
Mar. 31, 2014
patent
Jan. 31, 2015
claim
patent
Jun. 30, 2015
USD ($)
Mar. 10, 2015
USD ($)
Jan. 27, 2015
USD ($)
Patent Lawsuit Against Universal Remote Control [Member] | Pending Litigation [Member]                    
Contingencies [Line Items]                    
Gain contingency, patents allegedly infringed upon, number   1 10 4 4          
Gain contingency, claims deemed invalid, number | claim       4            
Gain contingency, claims against defendant, number | claim       24            
Gain contingency, patents found not infringed upon, number       1   2        
Loss Contingency, Range of Possible Loss, Maximum | $                 $ 5.7 $ 0.2
Loss Contingency Accrual | $               $ 0.0    
Patent Lawsuit Against Universal Remote Control [Member] | All Claims Accepted for Review by USPTO [Member]                    
Contingencies [Line Items]                    
Gain contingency, patents allegedly infringed upon, number             5      
Patent Lawsuit Against Universal Remote Control [Member] | Certain Claims Accepted for Review by USPTO [Member]                    
Contingencies [Line Items]                    
Gain contingency, patents allegedly infringed upon, number             2      
Patent Lawsuit Against Universal Remote Control [Member] | All Claims Denied for Review by USPTO [Member]                    
Contingencies [Line Items]                    
Gain contingency, patents found valid, number | claim             3      
Patent Lawsuit Against Universal Remote Control [Member] | Total Claims Accepted for Review by USPTO [Member]                    
Contingencies [Line Items]                    
Gain contingency, patents allegedly infringed upon, number             7      
Patent Lawsuit Against UEBV and Telenet [Member] | Pending Litigation [Member]                    
Contingencies [Line Items]                    
Loss Contingency, Number of Subsidiaries Named in Lawsuit | subsidiary 1                  
Loss Contingency, Number of Customers Named in Lawsuit | customer 1                  
Patent Lawsuit Against UEBV and Telenet [Member] | Pending Litigation [Member] | Design Patents [Member]                    
Contingencies [Line Items]                    
Loss Contingency, Patents Allegedly Infringed, Number 2                  
Patent Lawsuit Against UEBV and Telenet [Member] | Pending Litigation [Member] | Utility Patent [Member]                    
Contingencies [Line Items]                    
Loss Contingency, Patents Allegedly Infringed, Number 1