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Acquisitions - Additional Information (Detail) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Jun. 03, 2016
Jun. 30, 2017
Mar. 31, 2016
Feb. 29, 2016
Dec. 31, 2016
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Business Acquisition [Line Items]                
Net cash paid at acquisition           $ 40,015,000 $ 122,157,000  
Goodwill   $ 250,342,000       250,342,000 233,755,000 $ 195,894,000
Goodwill attributed to the RF business sold             35,352,000  
Deferred income taxes, valuation allowance   42,562,000       42,562,000 42,641,000  
Proceeds from the sale of business             45,000,000  
Integrated Photonics, Inc                
Business Acquisition [Line Items]                
Net cash paid at acquisition   39,436,000            
Payment of additional amount for working capital adjustment   700,000            
Goodwill   17,107,000       17,107,000    
Fair value of accounts receivable acquired   2,100,000       2,100,000    
Fair value of accounts receivable gross contractual amount   2,100,000       2,100,000    
Business acquisition, transaction costs   300,000       300,000    
Integrated Photonics, Inc | Upon Achievement of Financial And Transitional Objectives Relating to Finance Information Technology And Human Resources                
Business Acquisition [Line Items]                
Business acquisitions, contingent consideration, current   2,500,000       2,500,000    
Integrated Photonics, Inc | Upon Achievement of Financial And Transitional Objectives Relating to Finance Information Technology And Human Resources | Maximum                
Business Acquisition [Line Items]                
Business acquisitions, contingent consideration   $ 2,500,000       $ 2,500,000    
DirectPhotonics Industries GmbH | Germany                
Business Acquisition [Line Items]                
Payment for purchase of certain assets         $ 600,000      
EpiWorks                
Business Acquisition [Line Items]                
Net cash paid at acquisition       $ 42,981,000        
Payment of additional amount for working capital adjustment       163,000        
Goodwill       27,588,000        
Fair value of accounts receivable acquired       2,100,000        
Fair value of accounts receivable gross contractual amount       2,100,000        
Business acquisition, transaction costs             400,000  
EpiWorks | Upon Achievement of Financial and Operational Targets For Capacity Wafer Output and Gross Margin | Maximum                
Business Acquisition [Line Items]                
Business acquisitions, contingent consideration       6,000,000        
EpiWorks | Upon Achievement of Financial and Operational Targets for Capacity, Wafer Output and Gross Margin in Year One                
Business Acquisition [Line Items]                
Business acquisitions, contingent consideration, current       2,000,000        
EpiWorks | Upon Achievement of Financial and Operational Targets for Capacity, Wafer Output and Gross Margin in Year Two                
Business Acquisition [Line Items]                
Business acquisitions, contingent consideration, non current       2,000,000        
EpiWorks | Upon Achievement of Financial and Operational Targets for Capacity, Wafer Output and Gross Margin in Year Three                
Business Acquisition [Line Items]                
Business acquisitions, contingent consideration, non current       $ 2,000,000        
ANADIGICS                
Business Acquisition [Line Items]                
Net cash paid at acquisition     $ 78,200,000          
Payment of additional amount for working capital adjustment     3,500,000          
Goodwill     48,312,000          
Fair value of accounts receivable acquired     4,000,000          
Fair value of accounts receivable gross contractual amount     4,000,000          
Business acquisition, transaction costs             2,900,000  
Business acquisition, cash acquired     $ 2,700,000          
Goodwill attributed to the RF business sold $ 35,400,000              
Deferred income taxes, valuation allowance 36,200,000              
RF Business of ANADIGICS                
Business Acquisition [Line Items]                
Proceeds from the sale of business 45,000,000              
Working capital adjustment to be received from divesture of business 600,000              
Contingent consideration to be earned from divesture of business $ 5,000,000              
Contingent consideration, period 18 months              
Contingent consideration recognized in net earnings $ 5,000,000              
Business divesture transaction expenses             400,000  
Severance expense for employees of the business $ 7,500,000              
Business acquisition, revenue of acquired entity             10,100,000  
Business acquisition, loss of acquired entity             8,400,000  
RF Business of ANADIGICS | Maximum                
Business Acquisition [Line Items]                
Working capital adjustment recognition period 60 days              
Gain on sale of business             $ 100,000