Income Taxes - Components of Deferred Tax Asset (Detail) - USD ($) $ in Thousands	Jul. 01, 2017	Jul. 02, 2016
Deferred tax assets:
Net operating loss carryforwards	$ 189,620	$ 216,768
Depreciation and capital losses	25,809	27,373
Capitalized research and development	8,531	11,579
Inventory valuation	3,234	6,656
Accruals and reserves	13,613	14,126
Tax credit carryforwards	6,736	6,142
Stock-based compensation	2,424	1,905
Other asset impairments	1,999	2,016
Deferred tax assets	251,966	286,565
Valuation allowance	(225,643)	(285,683)
Total deferred tax assets	26,323	882
Deferred tax liabilities:
Acquired intangibles	(454)	(693)
Withholding tax	(95)	(95)
Total deferred tax liabilities	(549)	(788)
Net deferred tax assets	$ 25,774	$ 94