Gross Carrying Amount and Accumulated Amortization of Intangible Assets Other Than Goodwill (Detail) - USD ($) $ in Thousands	Mar. 31, 2018	Jun. 30, 2017
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 213,368	$ 205,873
Accumulated Amortization	(84,226)	(71,916)
Net Book Value	129,142	133,957
Technology and Patents
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	67,339	65,438
Accumulated Amortization	(32,349)	(27,313)
Net Book Value	34,990	38,125
Trademarks
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	16,051	15,806
Accumulated Amortization	(1,438)	(1,340)
Net Book Value	14,613	14,466
Customer Lists
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	128,399	123,058
Accumulated Amortization	(48,882)	(41,740)
Net Book Value	79,517	81,318
Other
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,579	1,571
Accumulated Amortization	(1,557)	(1,523)
Net Book Value	$ 22	$ 48