Annual report pursuant to Section 13 and 15(d)

Business Combinations (Details)

v3.19.3.a.u2
Business Combinations (Details) - USD ($)
$ in Thousands
12 Months Ended
May 12, 2017
Apr. 04, 2017
Dec. 31, 2019
Dec. 31, 2018
Business Acquisition [Line Items]        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents $ 235,800      
Proceeds from Issuance of Debt 416,800      
Long-term Debt, Gross 425,000      
Goodwill, Purchase Accounting Adjustments     $ 0 $ 338
Cash [Member] | Exar Corporation [Member]        
Business Acquisition [Line Items]        
Business Combination, Consideration Transferred 688,100      
Cash [Member] | G.hn business of Marvell [Member]        
Business Acquisition [Line Items]        
Business Combination, Consideration Transferred   $ 21,000    
Cash in lieu of equity [Member] | Exar Corporation [Member]        
Business Acquisition [Line Items]        
Business Combination, Consideration Transferred $ 12,700