XML 53 R42.htm IDEA: XBRL DOCUMENT v3.8.0.1
Acquisitions - Summary of Pro Forma Adjustments Used to Arrive Pro Forma Net Income (Detail) - USD ($)
$ in Millions
 3 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Conexant Systems, LLC [Member]    
Business Acquisition [Line Items]    
Buyer transaction costs $ 0.9  
Interest expense   $ (4.6)
Intangible amortization (2.3) (7.3)
Depreciation   (0.2)
Income tax adjustment 0.5 4.2
Total (0.9) (7.9)
Marvell Technology Group Ltd [Member]    
Business Acquisition [Line Items]    
Buyer transaction costs 0.9  
Interest expense   (5.0)
Intangible amortization (1.2) (3.1)
Income tax adjustment 0.1 2.8
Total $ (0.2) $ (5.3)