Number of significant customers that represent over 10% of the benchmark metric.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13537-108611

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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.

+ Details

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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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- Details

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Segment Information - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
Segment Information - Narrative (Details) $ in Thousands	Oct. 01, 2017 USD ($) customer	Oct. 02, 2016 USD ($)	Oct. 01, 2017 USD ($) customer	Oct. 02, 2016 USD ($) customer	Apr. 02, 2017 customer
Revenue, Major Customer [Line Items]
Revenues \| $	$ 204,398	$ 184,059	$ 401,111	$ 376,187
Revenue \| Customer Concentration Risk
Revenue, Major Customer [Line Items]
Number of significant distributors \| customer	1			2
Revenue \| Customer Concentration Risk \| Samsung
Revenue, Major Customer [Line Items]
Concentration risk (percentage)	10.00%
Revenue \| Customer Concentration Risk \| Uniquest
Revenue, Major Customer [Line Items]
Concentration risk (percentage)		13.00%		12.00%
Revenue \| Customer Concentration Risk \| Avnet
Revenue, Major Customer [Line Items]
Concentration risk (percentage)	15.00%	11.00%	14.00%
Revenue \| Customer Concentration Risk \| Sk Hynix
Revenue, Major Customer [Line Items]
Concentration risk (percentage)		10.00%
Accounts Receivable \| Customer Concentration Risk
Revenue, Major Customer [Line Items]
Number of significant distributors \| customer			1		2
Accounts Receivable \| Customer Concentration Risk \| Significant Distributor 1
Revenue, Major Customer [Line Items]
Concentration risk (percentage)			17.00%		11.00%
Accounts Receivable \| Customer Concentration Risk \| Significant Distributor 2
Revenue, Major Customer [Line Items]
Concentration risk (percentage)					10.00%
United States
Revenue, Major Customer [Line Items]
Revenues \| $	$ 14,800	$ 15,500	$ 36,900	$ 34,200