CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Net sales	$ 35,030	$ 46,172
Cost of sales	21,795	26,786
Gross profit	13,235	19,386
Operating expenses:
Selling, service and administration	13,100	14,547
Research, development and engineering	9,145	8,425
Gain on acquisition of Semiconductor Systems business	0	(464)
Net operating expenses	22,245	22,508
Operating (loss) income	(9,010)	(3,122)
Non-operating (expense) income:
Other-than-temporary impairment of cost based investments	0	0
Interest and other (expense) income, net	46	(60)
Other Nonoperating Income (Expense)	46	(60)
Income (loss) before income taxes	(8,964)	(3,182)
Provision for (benefit from) income taxes	(713)	101
Net (loss) income	$ (8,251)	$ (3,283)
Net (loss) income per share - basic	$ (0.27)	$ (0.11)
Net (loss) income per share - diluted	$ (0.27)	$ (0.11)
Weighted average number of shares - basic	30,353	29,745
Weighted average number of shares - diluted	30,353	29,745
Cash dividends paid per common share	$ 0.08	$ 0.08