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.

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=26872669&loc=d3e20235-122688

Name:	us-gaap_SalesRevenueNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Segment and Geographic Information - Net Sales by Product Type (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 29, 2012	Sep. 26, 2015	Sep. 27, 2014	Sep. 29, 2012
Product Information
Net sales	$ 46,472	$ 42,856	$ 42,856	$ 89,563	$ 77,886	$ 77,886
Component Processing [Member]
Product Information
Net sales	32,754	32,358		71,038	62,656
Micromachining [Member]
Product Information
Net sales	$ 13,718	$ 10,498		$ 18,525	$ 15,230