Income Taxes - Components of Net Deferred Tax Assets (Liabilities) (Detail) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Deferred tax assets:
Inventory valuation and receivable allowances	$ 12,768	$ 9,264
Accrued compensation	3,267	2,563
Equity compensation	3,201	4,229
Federal and state research and development tax credit carryforwards	15,870	16,262
Other accruals	1,570	1,889
Deferred Tax Assets, Capital Loss Carryforwards	3,562	3,562
Other temporary differences	4,011	1,800
Deferred tax Asset	44,620	40,403
Valuation allowance	(18,472)	(18,864)
Total deferred tax assets	26,148	21,539
Deferred tax liabilities:
Deferred revenue	(773)	(1,103)
Property and equipment depreciation	(2,451)	(1,578)
Acquired intangible assets	(33,826)	(7,110)
Tax method of accounting change	(570)	(854)
Other temporary differences	(370)	(320)
Total deferred tax liabilities	37,990	10,965
Net deferred tax (liabilities) assets	(11,842)
Net deferred tax (liabilities) assets		10,574
Current deferred tax assets	0	10,574
Non-current deferred tax assets	(11,842)	0
Other Amortizable Assets
Deferred tax assets:
Gain on sale-leaseback	$ 371	$ 834