Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019
Deferred tax assets:
Net operating loss carryforwards	$ 38,795	$ 35,049
Research and development and other credits	7,815	7,183
Stock compensation	6,848	7,217
Lease Liabilities	6,261
Deferred revenue	4,577	6,103
Various accrued expenses	3,281	2,731
Accrued pension	2,834	2,742
Unrealized loss - interest swap	1,377	349
Acquired intangible assets	851	622
Property and equipment	445	536
Allowances and reserves	353	171
Other	466	207
Total deferred tax assets	73,903	62,910
Valuation allowance	(34,830)	(32,538)
Deferred tax assets, net of valuation allowance	39,073	30,372
Deferred tax liabilities:
Property and equipment, inclusive of capitalized software	(15,735)	(12,205)
Acquired intangible assets	(12,903)	(15,422)
Deductible goodwill acquired intangible assets	(7,384)	(7,010)
Capitalized Costs	(5,559)	(5,805)
Right of Use Assets	(5,659)
Other	(489)	(275)
Total deferred tax liabilities	(47,729)	(40,717)
Net deferred tax liabilities	$ (8,656)	$ (10,345)