Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Goodwill And Other Intangible Assets [Line Items]
Amortization expense recorded on intangible assets	$ 3.1	$ 3.2	$ 9.5	$ 9.2
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			94 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			137 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