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Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Aug. 31, 2017
Goodwill And Other Intangible Assets [Line Items]      
Amortization expense recorded on intangible assets $ 3,600 $ 3,200  
Carrying amount of indefinite trade names acquired $ 14,100    
Kaiam Laser Limited, Inc      
Goodwill And Other Intangible Assets [Line Items]      
Identifiable intangibles assets recorded in connection with acquisitions     $ 5,146
Technology and Patents      
Goodwill And Other Intangible Assets [Line Items]      
Remaining amortization period of patents and customer lists, in months 97 months    
Technology and Patents | Kaiam Laser Limited, Inc      
Goodwill And Other Intangible Assets [Line Items]      
Identifiable intangibles assets recorded in connection with acquisitions $ 400    
Technology and Patents | Minimum [Member]      
Goodwill And Other Intangible Assets [Line Items]      
Amortization period of finite lived intangible assets, in months 60 months    
Technology and Patents | Maximum      
Goodwill And Other Intangible Assets [Line Items]      
Amortization period of finite lived intangible assets, in months 240 months    
Customer Lists      
Goodwill And Other Intangible Assets [Line Items]      
Remaining amortization period of patents and customer lists, in months 145 months    
Customer Lists | Kaiam Laser Limited, Inc      
Goodwill And Other Intangible Assets [Line Items]      
Identifiable intangibles assets recorded in connection with acquisitions $ 4,700    
Customer Lists | Minimum [Member]      
Goodwill And Other Intangible Assets [Line Items]      
Amortization period of finite lived intangible assets, in months 120 months    
Customer Lists | Maximum      
Goodwill And Other Intangible Assets [Line Items]      
Amortization period of finite lived intangible assets, in months 240 months