Goodwill and Other Intangible Assets - Schedule of Intangible Assets Subject to Amortization and for Intangible Assets Not Subject to Amortization (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 487,839	$ 471,062
Accumulated Amortization	(333,728)	(302,713)
Net Carrying Value	154,111	168,349
Goodwill	205,713	206,101	$ 200,024
Total intangible assets	359,824	374,450
Customer related
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	219,305	219,893
Accumulated Amortization	(157,008)	(145,144)
Net Carrying Value	$ 62,297	$ 74,749
Weighted Average Remaining Life	7 years 6 months	8 years 6 months
Core technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 135,720	$ 130,226
Accumulated Amortization	(97,431)	(90,017)
Net Carrying Value	$ 38,289	$ 40,209
Weighted Average Remaining Life	7 years 2 months 12 days	7 years 4 months 24 days
Other intangible assets
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 22,099	$ 25,712
Accumulated Amortization	(19,927)	(19,030)
Net Carrying Value	$ 2,172	$ 6,682
Weighted Average Remaining Life	4 years 9 months 18 days	5 years
Capitalized software development costs
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 26,222	$ 23,213
Accumulated Amortization	(14,047)	(10,006)
Net Carrying Value	$ 12,175	$ 13,207
Weighted Average Remaining Life	2 years 10 months 24 days	3 years
Software
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 84,493	$ 72,018
Accumulated Amortization	(45,315)	(38,516)
Net Carrying Value	$ 39,178	$ 33,502
Weighted Average Remaining Life	3 years 9 months 18 days	4 years 2 months 12 days