Condensed Consolidated Statement of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jul. 03, 2016	Jun. 28, 2015
Continuing Operations [Member]
Net income (loss) per share:
Basic (in shares)	48,680	47,927
Effect of options and awards (in shares)	378
Diluted (in shares)	49,058	47,927
Discontinued Operations [Member]
Net income (loss) per share:
Basic (in shares)	48,680	47,927
Effect of options and awards (in shares)	378
Diluted (in shares)	49,058	47,927
Net sales	$ 19,636	$ 16,806
Net sales, related party	7,500	11,377
Total net sales	27,136	28,183
Cost of sales	(10,411)	(9,776)
Cost of sales, related party	2,769	4,916
Amortization of purchased intangible assets	594	613
Total cost of sales	13,774	15,305
Gross profit	13,362	12,878
Research and development	4,931	6,429
Selling, general and administrative	6,564	7,746
Merger and acquisition costs	855	544
Restructuring Charges	923	1,230
Asset Impairment Charges	1,519
Gain on sale of land and building under sale-leaseback arrangement	(9,300)
Total operating expenses, net	5,492	15,949
Income (loss) from operations	7,870	(3,071)
Interest income and other, net	2	(22)
Interest expense	(38)	(48)
Total other expense, net	(36)	(70)
Income (loss) before income taxes	7,834	(3,141)
Income Tax Expense (Benefit)	291	(787)
Net income (loss) from continuing operations	7,543	(2,354)
Net income (loss) from discontinued operations (See Note 3)	1,397	(156)
Net income (loss) and comprehensive income (loss)	$ 8,940	$ (2,510)
Basic (in dollars per share)	$ 0.15	$ (0.05)
Diluted (in dollars per share)	0.15	(0.05)
Basic (in dollars per share)	0.03
Diluted (in dollars per share)	0.03
Basic (in dollars per share)	0.18	(0.05)
Diluted (in dollars per share)	$ 0.18	$ (0.05)
Basic (in shares)	48,680	47,927
Effect of options and awards (in shares)	378
Diluted (in shares)	49,058	47,927