Income Taxes - Components of Net Deferred Tax Assets (Detail) - USD ($) $ in Thousands	Jun. 26, 2016	Jul. 31, 2015	Jun. 28, 2015
Deferred tax assets:
Tax carryforwards	$ 176,767		$ 129,234
Allowances and reserves	128,416		131,079
Equity-based compensation	29,414		21,086
Inventory valuation differences	17,178		15,167
Prepaid cost sharing	88,522		0
Other	24,540		13,942
Gross deferred tax assets	464,837		310,508
Valuation allowance	(101,689)		(85,620)
Net deferred tax assets	363,148		224,888
Deferred tax liabilities:
Intangible assets	(46,774)		(64,725)
Convertible debt	(151,483)		(130,991)
Temporary differences for capital assets	(61,845)		(37,635)
Amortization of goodwill	(14,176)		(12,502)
Unremitted earnings of foreign subsidiaries	(146,459)	$ (73,600)	(66,412)
Other	(8,594)		(6,100)
Gross deferred tax liabilities	(429,331)		(318,365)
Net deferred tax liabilities	$ (66,183)		$ (93,477)