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Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Goodwill And Other Intangible Assets [Line Items]        
Amortization expense recorded on intangible assets $ 3.2 $ 3.0 $ 6.4 $ 6.0
Carrying amount of indefinite trade names acquired $ 14.0   $ 14.0  
Technology and Patents        
Goodwill And Other Intangible Assets [Line Items]        
Remaining amortization period of patents and customer lists, in months     96 months  
Technology and Patents | Minimum        
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     139 months  
Customer Lists | Minimum        
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