CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Mar. 28, 2015
Revenue, Net	$ 161,023	$ 184,391	$ 159,118
Sales Revenue, Goods, Net	125,098	142,957	111,603
Sales Revenue, Services, Net	35,925	41,434	47,515
Cost of sales	99,557	111,688	104,437
Cost of Goods Sold	81,350	89,169	78,195
Cost of Services	18,207	22,519	26,242
Gross profit	61,466	72,703	54,681
Operating expenses:
Selling, service and administration	52,698	49,753	48,525
Research, development and engineering	31,719	32,400	35,166
Restructuring costs	6,935	2,824	2,069
Business Combination, Integration Related Costs	366	194	776
Goodwill, Impairment Loss	7,445	0	7,889
Net operating expenses	99,163	85,171	94,425
Operating (loss) income	(37,697)	(12,468)	(39,744)
Non-operating (expense) income:
Other than temporary impairment of cost based investments	0	0	4,263
Interest and other (expense) income, net	265	195	430
Total non-operating (expense) income	265	195	(3,833)
Income (loss) before income taxes	(37,432)	(12,273)	(43,577)
Provision for (benefit from) income taxes	(23)	(16)	234
Net (loss) income	$ (37,409)	$ (12,257)	$ (43,811)
Net (loss) income per share - basic	$ (1.15)	$ (0.39)	$ (1.43)
Net (loss) income per share - diluted	$ (1.15)	$ (0.39)	$ (1.43)
Weighted average number of shares - basic	32,551	31,411	30,611
Weighted average number of shares - diluted	32,551	31,411	30,611
Cash dividends paid per common share	$ 0	$ 0	$ 0.24