CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 28, 2013	Dec. 29, 2012
Net sales	$ 38,267	$ 37,930	$ 144,086	$ 177,051
Cost of sales	21,986	24,697	83,787	106,645
Gross profit	16,281	13,233	60,299	70,406
Operating expenses:
Selling, service and administration	12,408	11,696	41,206	42,473
Research, development and engineering	9,768	8,730	27,912	28,791
Legal settlement proceeds, net	0	(15,365)	0	(15,365)
(Gain) Loss on Sale of Property Plant Equipment	(1,301)	(1,226)	(1,301)	(1,226)
Gain on acquisition of Semiconductor Systems business	0	0	(499)	0
Net operating expenses	20,875	3,835	67,318	54,673
Operating (loss) income	(4,594)	9,398	(7,019)	15,733
Non-operating (expense) income:
Other-than-temporary impairment of cost based investments	0	0	(3,588)	0
Interest and other (expense) income, net	95	(5)	115	(64)
Other Nonoperating Income (Expense)	95	(5)	(3,473)	(64)
Income (loss) before income taxes	(4,499)	9,393	(10,492)	15,669
Provision for (benefit from) income taxes	141	2,625	209	4,634
Net (loss) income	$ (4,640)	$ 6,768	$ (10,701)	$ 11,035
Net (loss) income per share - basic	$ (0.15)	$ 0.23	$ (0.36)	$ 0.38
Net (loss) income per share - diluted	$ (0.15)	$ 0.23	$ (0.36)	$ 0.37
Weighted average number of shares - basic	30,054	29,434	29,922	29,296
Weighted average number of shares - diluted	30,054	30,043	29,922	29,954
Cash dividends paid per common share	$ 0.08	$ 2.08	$ 0.24	$ 2.24