CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 30, 2017	Dec. 31, 2016
Income Statement [Abstract]
Revenues	$ 139,335	$ 153,914	$ 294,933	$ 289,406
Cost of revenues	87,507	93,150	180,401	182,286
Gross profit	51,828	60,764	114,532	107,120
Operating expenses:
Research and development	15,358	13,758	31,793	26,865
Selling, general and administrative	16,892	13,355	31,758	28,147
Amortization of other intangible assets	154	241	306	485
Restructuring, acquisition and related (income) expense, net	0	82	0	393
(Gain) loss on sale of property and equipment	169	(74)	191	(111)
Total operating expenses	32,573	27,362	64,048	55,779
Operating income	19,255	33,402	50,484	51,341
Other income (expense):
Interest income (expense), net	123	70	557	(13,788)
Gain (loss) on foreign currency transactions, net	1,599	(3,324)	2,088	(3,842)
Other income (expense), net	936	156	1,510	350
Total other income (expense)	2,658	(3,098)	4,155	(17,280)
Income before income taxes	21,913	30,304	54,639	34,061
Income tax provision	3,176	37	9,413	443
Net income	$ 18,737	$ 30,267	$ 45,226	$ 33,618
Net income per share:
Basic (in USD per share)	$ 0.11	$ 0.18	$ 0.27	$ 0.23
Diluted (in USD per share)	$ 0.11	$ 0.18	$ 0.26	$ 0.21
Shares used in computing net income per share:
Basic (in shares)	168,990	165,822	168,564	149,151
Diluted (in shares)	170,692	168,856	171,079	159,801