Quarterly report pursuant to Section 13 or 15(d)

Business Combinations Business Combination - G.hn Business of Marvell (Details)

v3.7.0.1
Business Combinations Business Combination - G.hn Business of Marvell (Details) - G.hn business of Marvell [Member] - USD ($)
$ in Thousands
 6 Months Ended
Apr. 04, 2017
Jun. 30, 2017
Business Acquisition [Line Items]    
Payments to Acquire Businesses, Gross $ 21,000  
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Fair Value Mark Up On Inventory 1,246  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory   $ 2,084
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets 147  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property and Equipment 3,277  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill 12,600  
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets 875  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets 28  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable (1)  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Expenses (358)  
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Current Liabilities, Accrued Compensation (2)  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other (99)  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net 18,551  
Business Acquisition, Goodwill $ 2,449  
Business Acquisition, Effective Date of Acquisition Apr. 04, 2017  
Payments to Acquire Businesses, Gross $ 21,000  
Finite-lived Intangible Assets Acquired $ 12,600  
Cost of Sales [Member]    
Business Acquisition [Line Items]    
Business Combination, Amortization of Inventory Step-Up   $ 1,200
Order or Production Backlog [Member]    
Business Acquisition [Line Items]    
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 9 months  
Finite-lived Intangible Assets Acquired $ 500  
Developed technology    
Business Acquisition [Line Items]    
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 7 years  
Finite-lived Intangible Assets Acquired $ 7,100  
Customer-Related Intangible Assets [Member]    
Business Acquisition [Line Items]    
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 1 year 9 months 18 days  
Finite-lived Intangible Assets Acquired $ 4,800  
Noncompete Agreements [Member]    
Business Acquisition [Line Items]    
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 3 years  
Finite-lived Intangible Assets Acquired $ 200  
Cash [Member]    
Business Acquisition [Line Items]    
Payments to Acquire Businesses, Gross $ 21,000