Operations by Segments and Geographic Areas - Reconciliation of Measure of Segment Profit to GAAP (Loss) Income Before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total measure of segment profit	$ (3,432)	$ 3,079	$ 5,114
Less:
Amortization of acquisition-related intangible assets	(20,370)	(21,336)	(22,076)
Stock-based compensation plan expense	(42,044)	(41,695)	(34,200)
Other (expense) income, net of pension adjustments	(771)	6,928	6,908
(Loss) income before income taxes	(7,401)	6,894	1,125
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total measure of segment profit	67,728	77,246	73,739
Segment Reconciling Items
Less:
Amortization of acquisition-related intangible assets	(20,370)	(21,336)	(22,076)
Stock-based compensation plan expense	(42,044)	(41,695)	(34,200)
Acquisition and integration-related expenses	(5,647)	(4,648)	(2,564)
Restructuring expenses	(1,652)	(1,881)	(1,495)
Legal settlement	0	0	(1,269)
Other non-core income (expense)	94	(550)	150
Global ERP system implementation and other costs	(485)	(3,395)	(6,430)
Other (expense) income, net of pension adjustments	$ (5,025)	$ 3,153	$ (4,730)