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Supplemental Financial Information (Schedule Of Customer Concentration of Risk) (Details) - customer	3 Months Ended		12 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Dec. 31, 2016
Gross Receivables
Concentration Risk
Concentration Risk, Number of Customers	3
Customer Concentration Risk | Sales Revenue, Product Line | NAND Flash Products
Concentration Risk
Concentration Risk, Percentage	61.00%
Customer Concentration Risk | Sales Revenue, Product Line | Customer A
Concentration Risk
Concentration Risk, Percentage		28.00%
Customer Concentration Risk | Sales Revenue, Product Line | Customer B
Concentration Risk
Concentration Risk, Percentage		12.00%
Customer Concentration Risk | Sales Revenue, Product Line | Customer C
Concentration Risk
Concentration Risk, Percentage	15.00%
Customer Concentration Risk | Sales Revenue, Product Line | Customer D
Concentration Risk
Concentration Risk, Percentage	11.00%
Customer Concentration Risk | Gross Receivables
Concentration Risk
Concentration Risk, Number of Customers			2
Customer Concentration Risk | Gross Receivables | Customer A
Concentration Risk
Concentration Risk, Percentage	34.00%		27.00%
Customer Concentration Risk | Gross Receivables | Customer B
Concentration Risk
Concentration Risk, Percentage	13.00%		11.00%
Customer Concentration Risk | Gross Receivables | Customer C
Concentration Risk
Concentration Risk, Percentage	10.00%

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- Definition

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+ References

No definition available.

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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

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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=51801978&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=49121117&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=51801978&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=49121117&loc=d3e13537-108611

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