v3.8.0.1
Basis of Presentation - Merger Agreement (Details) - USD ($)
7 Months Ended
Jun. 30, 2018
Feb. 03, 2018
Jan. 28, 2017
Business Acquisition [Line Items]      
Deferred debt and equity financing costs   $ 17,622,000 $ 0
Scenario, Forecast | Line of Credit | Revolving Credit Facility      
Business Acquisition [Line Items]      
Maximum borrowing capacity $ 500,000,000    
Cavium | Scenario, Forecast      
Business Acquisition [Line Items]      
Number of common shares per Cavium share 2.1757    
Cash consideration (in usd per share) $ 40.00    
Purchase price (in usd per share) $ 80    
Transaction value $ 6,000,000,000    
Amount of debt financing 1,750,000,000    
Termination fee 180,000,000    
Cavium | Scenario, Forecast | Goldman Sachs Bank USA      
Business Acquisition [Line Items]      
Commitments of debt financing 850,000,000    
Cavium | Scenario, Forecast | Bank of America Merrill Lynch      
Business Acquisition [Line Items]      
Commitments of debt financing $ 900,000,000