Gross Carrying Amount and Accumulated Amortization of Intangible Assets Other Than Goodwill (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Jun. 30, 2017
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 212,291	$ 205,873
Accumulated Amortization	(79,963)	(71,916)
Net Book Value	132,328	133,957
Technology and Patents
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	66,947	65,438
Accumulated Amortization	(30,490)	(27,313)
Net Book Value	36,457	38,125
Trademarks
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	15,923	15,806
Accumulated Amortization	(1,406)	(1,340)
Net Book Value	14,517	14,466
Customer Lists
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	127,844	123,058
Accumulated Amortization	(46,521)	(41,740)
Net Book Value	81,323	81,318
Other
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,577	1,571
Accumulated Amortization	(1,546)	(1,523)
Net Book Value	$ 31	$ 48