Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1,2)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Segment and Geographic Information - Net Sales & Gross Profit by Segment (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Apr. 02, 2016	Jan. 02, 2016	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Apr. 02, 2016	Mar. 28, 2015	Mar. 29, 2014
Segment Reporting Information [Line Items]
Gross Profit	$ 21,184	$ 17,721	$ 18,421	$ 15,377	$ 12,915	$ 14,713	$ 14,765	$ 12,288	$ 72,703	$ 54,681	$ 59,871
Revenue, Net	$ 51,486	$ 43,342	$ 46,472	$ 43,091	$ 37,571	$ 43,661	$ 42,856	$ 35,030	184,391	159,118	181,167
Component Processing [Member]
Segment Reporting Information [Line Items]
Gross Profit									66,693	50,970	63,914
Revenue, Net									152,284	124,598	141,401
Micromachining [Member]
Segment Reporting Information [Line Items]
Gross Profit									9,386	6,383	12,175
Revenue, Net									32,107	34,520	39,766
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Gross Profit									$ (3,376)	$ (2,672)	$ (16,218)