CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Apr. 02, 2016
Revenue, Net	$ 367,884	$ 161,023	$ 184,391
Sales Revenue, Goods, Net	325,349	125,098	142,957
Sales Revenue, Services, Net	42,535	35,925	41,434
Cost of sales	207,054	99,557	111,688
Gross Profit	160,830	61,466	72,703
Cost of Goods Sold	185,354	81,350	89,169
Cost of Services	21,700	18,207	22,519
Operating expenses:
Selling, service and administration	46,624	52,698	49,753
Research, development and engineering	34,411	31,719	32,400
Restructuring costs	3,935	6,935	2,824
Business Combination, Integration Related Costs	0	366	194
Goodwill, Impairment Loss	0	7,445	0
Net operating expenses	84,970	99,163	85,171
Operating (loss) income	75,860	(37,697)	(12,468)
Non-operating (expense) income:
Interest and other (expense) income, net	93	265	195
Total non-operating (expense) income	93	265	195
Income (loss) before income taxes	75,953	(37,432)	(12,273)
Provision for (benefit from) income taxes	(40,270)	(23)	(16)
Net (loss) income	$ 116,223	$ (37,409)	$ (12,257)
Net (loss) income per share - basic	$ 3.42	$ (1.15)	$ (0.39)
Net (loss) income per share - diluted	$ 3.27	$ (1.15)	$ (0.39)
Weighted average number of shares - basic	33,967	32,551	31,411
Weighted average number of shares - diluted	35,571	32,551	31,411