CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 26, 2015	Dec. 27, 2014	Dec. 26, 2015	Dec. 27, 2014
Income Statement [Abstract]
Revenues, including $1,007 and $1,899 from related parties for the three and six months ended December 26, 2015, respectively, and $794 and $1,971 from related parties for the three and six months ended December 27, 2014, respectively	$ 94,129	$ 86,820	$ 181,679	$ 176,061
Cost of revenues	67,521	73,054	132,374	147,886
Gross profit	26,608	13,766	49,305	28,175
Operating expenses:
Research and development	11,075	11,721	22,020	25,634
Selling, general and administrative	12,791	13,646	25,999	29,060
Amortization of other intangible assets	250	269	501	687
Restructuring, acquisition and related (income) expense, net	6	(8,038)	38	(6,308)
(Gain) loss on sale of property and equipment	(46)	(26)	167	371
Total operating expenses	24,076	17,572	48,725	49,444
Operating income (loss)	2,532	(3,806)	580	(21,269)
Other income (expense):
Interest income (expense), net	(1,247)	(89)	(2,523)	(193)
Gain (loss) on foreign currency transactions, net	(500)	(675)	4	(2,685)
Other income (expense), net	357	329	470	884
Total other income (expense)	(1,390)	(435)	(2,049)	(1,994)
Income (loss) from continuing operations before income taxes	1,142	(4,241)	(1,469)	(23,263)
Income tax (benefit) provision	985	(38)	1,884	916
Income (loss) from continuing operations	157	(4,203)	(3,353)	(24,179)
Loss from discontinued operations, net of tax	0	(8,080)	0	(8,458)
Net income (loss)	$ 157	$ (12,283)	$ (3,353)	$ (32,637)
Basic net income (loss) per share:
Income (loss) per share from continuing operations (in usd per share)	$ 0.00	$ (0.04)	$ (0.03)	$ (0.22)
Loss per share from discontinued operations (in usd per share)	0.00	(0.07)	0.00	(0.08)
Basic net income (loss) per share (in usd per share)	0.00	(0.11)	(0.03)	(0.30)
Diluted net income (loss) per share:
Income (loss) per share from continuing operations (in usd per share)	0.00	(0.04)	(0.03)	(0.22)
Loss per share from discontinued operations (in usd per share)	0.00	(0.07)	0.00	(0.08)
Diluted net income (loss) per share (in usd per share)	$ 0.00	$ (0.11)	$ (0.03)	$ (0.30)
Shares used in computing net income (loss) per share:
Basic (in shares)	110,296	107,849	109,877	107,549
Diluted (in shares)	112,394	107,849	109,877	107,549