CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jul. 02, 2016
Income Statement [Abstract]
Revenues	$ 543,170	$ 600,968	$ 407,914
Cost of revenues	340,266	365,729	291,496
Gross profit	202,904	235,239	116,418
Operating expenses:
Research and development	64,498	57,094	46,067
Selling, general and administrative	64,489	58,461	53,457
Amortization of other intangible assets	653	786	995
Restructuring, acquisition and related (income) expense, net	4,358	60	25
(Gain) loss on disposal of property and equipment	1,581	(130)	32
Total operating expenses	135,579	116,271	100,576
Operating income	67,325	118,968	15,842
Other income (expense):
Interest income (expense), net	912	(13,313)	(4,986)
Gain (loss) on foreign currency transactions, net	3,267	(3,652)	(2,362)
Other income (expense), net	3,339	810	935
Total other income (expense)	7,518	(16,155)	(6,413)
Income before income taxes	74,843	102,813	9,429
Income tax (benefit) provision	12,390	(25,046)	849
Net income	$ 62,453	$ 127,859	$ 8,580
Net income per share:
Basic net income (loss) per share (in usd per share)	$ 0.37	$ 0.81	$ 0.08
Diluted net income (loss) per share (in usd per share)	$ 0.36	$ 0.77	$ 0.08
Shares used in computing net income per share:
Basic (in shares)	169,263	158,115	110,599
Diluted (in shares)	171,736	165,031	113,228