Goodwill and Other Intangible - Gross Carrying Amount and Accumulated Amortization of Intangible Assets Other Than Goodwill (Detail) - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 945,105	$ 924,477
Accumulated Amortization	(187,335)	(166,109)
Net Book Value	757,770	758,368
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	463,936	444,315
Accumulated Amortization	(77,782)	(68,048)
Net Book Value	386,154	376,267
Trade Names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	22,489	22,369
Accumulated Amortization	(4,316)	(3,669)
Net Book Value	18,173	18,700
Customer Lists
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	457,106	456,223
Accumulated Amortization	(103,663)	(92,822)
Net Book Value	353,443	363,401
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,574	1,570
Accumulated Amortization	(1,574)	(1,570)
Net Book Value	$ 0	$ 0