CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2018	Jul. 01, 2017
Sales Revenue, Goods, Net	$ 96,857	$ 62,093
Sales Revenue, Services, Net	13,767	10,591
Net sales	110,624	72,684
Cost of Goods Sold	50,094	41,426
Cost of Services	7,332	4,838
Cost of sales	57,426	46,264
Gross profit	53,198	26,420
Operating expenses:
Selling, service and administration	10,130	12,808
Research, development and engineering	10,059	8,934
Restructuring Costs	0	1,211
Net operating expenses	20,189	22,953
Operating (loss) income	33,009	3,467
Non-operating (expense) income:
Interest and other (expense) income, net	452	(184)
Other Nonoperating Income (Expense)	452	(184)
Income (loss) before income taxes	33,461	3,283
Provision for (benefit from) income taxes	2,318	381
Net (loss) income	$ 31,143	$ 2,902
Net (loss) income per share - basic	$ 0.90	$ 0.09
Net (loss) income per share - diluted	$ 0.87	$ 0.08
Weighted average number of shares - basic	34,459	33,432
Weighted average number of shares - diluted	35,924	34,321