Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets Goodwill and Intangibles Other (Details 1)

v3.6.0.2
Goodwill and Intangible Assets Goodwill and Intangibles Other (Details 1) - USD ($)
$ in Thousands
 12 Months Ended
Apr. 28, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months   $ 18,803    
Finite-Lived Intangible Assets, Amortization Expense, Year Two   18,786    
Finite-Lived Intangible Assets, Amortization Expense, Year Three   12,485    
2019   11,670    
2020   11,293    
Transfers into developed technology from IPR&D   390 $ 100  
Amortization of Intangible Assets   (16,084) (29,931) $ (400)
Intangibles assets, Gross   130,311 80,521  
Finite-Lived Intangible Assets, Accumulated Amortization   (48,450) (32,366)  
Intangible assets, net   81,861 48,155 $ 3,086
Finite-Lived Intangible Assets, Amortization Expense, after Year Five   8,824    
Assets, Total [Member]        
Finite-Lived Intangible Assets [Line Items]        
Intangible Assets, Transfer from IPRD to Developed Tech   $ 3,100 700  
Licensed Technology [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life   3 years    
Intangibles assets, Gross   $ 3,311 2,921  
Finite-Lived Intangible Assets, Accumulated Amortization   (2,957) (2,725)  
Intangible assets, net   $ 354 196  
Developed Technology Rights [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life   7 years    
Intangibles assets, Gross   $ 77,800 47,000  
Finite-Lived Intangible Assets, Accumulated Amortization   (13,550) (4,652)  
Intangible assets, net   $ 64,250 42,348  
Trademarks and Trade Names [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life   7 years    
Intangibles assets, Gross   $ 1,700 1,700  
Finite-Lived Intangible Assets, Accumulated Amortization   (405) (162)  
Intangible assets, net   $ 1,295 1,538  
Customer Relationships [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life   3 years 8 months    
Intangibles assets, Gross   $ 20,000 4,700  
Finite-Lived Intangible Assets, Accumulated Amortization   (4,782) (627)  
Intangible assets, net   $ 15,218 4,073  
Noncompete Agreements [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life   3 years    
Intangibles assets, Gross   $ 900 0  
Finite-Lived Intangible Assets, Accumulated Amortization   (156) 0  
Intangible assets, net   $ 744 0  
Backlog [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-Lived Intangible Asset, Useful Life   6 months    
Intangibles assets, Gross   $ 26,600 24,200  
Finite-Lived Intangible Assets, Accumulated Amortization   (26,600) (24,200)  
Intangible assets, net   0 0  
Entropic Communications [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-lived Intangible Assets Acquired     $ 74,200  
Wireless Infrastructure Access Line Business of of Microsemi Storage Solutions, Inc. [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-lived Intangible Assets Acquired $ 12,300 12,300    
Wireless Infrastructure Access Line Business of of Microsemi Storage Solutions, Inc. [Member] | Developed Technology Rights [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-lived Intangible Assets Acquired 8,600      
Wireless Infrastructure Access Line Business of of Microsemi Storage Solutions, Inc. [Member] | Customer Relationships [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-lived Intangible Assets Acquired 3,100      
Wireless Infrastructure Access Line Business of of Microsemi Storage Solutions, Inc. [Member] | Noncompete Agreements [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-lived Intangible Assets Acquired 100      
Wireless Infrastructure Access Line Business of of Microsemi Storage Solutions, Inc. [Member] | Backlog [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-lived Intangible Assets Acquired $ 500      
Wireless Infrastructure Backhaul Business of Broadcom Corporation [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-lived Intangible Assets Acquired   34,000    
Purchases of intangible finite-lived assets unrelated to acquisition   34,000    
Wireless Infrastructure Backhaul Business of Broadcom Corporation [Member] | Developed Technology Rights [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-lived Intangible Assets Acquired   19,100    
Wireless Infrastructure Backhaul Business of Broadcom Corporation [Member] | Customer Relationships [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-lived Intangible Assets Acquired   12,200    
Wireless Infrastructure Backhaul Business of Broadcom Corporation [Member] | Noncompete Agreements [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-lived Intangible Assets Acquired   800    
Wireless Infrastructure Backhaul Business of Broadcom Corporation [Member] | Backlog [Member]        
Finite-Lived Intangible Assets [Line Items]        
Finite-lived Intangible Assets Acquired   $ 1,900