Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 168,694	$ 243,488	$ 168,694
Accumulated Amortization	(39,657)	(65,584)	(39,657)
Net Carrying Amount	129,037	177,904	129,037
Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	117,630	171,940	117,630
Accumulated Amortization	(31,533)	(46,505)	(31,533)
Net Carrying Amount	86,097	$ 125,435	$ 86,097
Acquired intangible assets, estimated useful lives		10 years 8 months	10 years
Licensing agreements and patents
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,131	$ 1,506	$ 1,131
Accumulated Amortization	(277)	(640)	(277)
Net Carrying Amount	854	$ 866	$ 854
Acquired intangible assets, estimated useful lives		3 years 6 months	3 years 8 months 12 days
Completed technologies
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	44,503	$ 62,392	$ 44,503
Accumulated Amortization	(6,079)	(13,101)	(6,079)
Net Carrying Amount	38,424	$ 49,291	$ 38,424
Acquired intangible assets, estimated useful lives		8 years 1 month	7 years 10 months 24 days
Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	5,430	$ 7,650	$ 5,430
Accumulated Amortization	(1,768)	(5,338)	(1,768)
Net Carrying Amount	$ 3,662	$ 2,312	$ 3,662
Acquired intangible assets, estimated useful lives		1 year 7 months	2 years
Delta
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired intangible assets, estimated useful lives	15 years
Themis
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 71,720
Accumulated Amortization		(3,326)
Net Carrying Amount		68,394
Themis | Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		52,600
Accumulated Amortization		(1,753)
Net Carrying Amount		$ 50,847
Acquired intangible assets, estimated useful lives		12 years 6 months
Themis | Completed technologies
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 17,150
Accumulated Amortization		(752)
Net Carrying Amount		$ 16,398
Acquired intangible assets, estimated useful lives		9 years 6 months
Themis | Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 1,970
Accumulated Amortization		(821)
Net Carrying Amount		$ 1,149
Acquired intangible assets, estimated useful lives		1 year