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Supplemental Financial Information (Schedule Of Customer Concentration of Risk) (Details) - customer	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016	Dec. 31, 2016
Sales Revenue, Resale of Products
Concentration Risk
Concentration Risk, Percentage	91.00%	34.00%	91.00%	21.00%
Customer Concentration Risk | Sales Revenue, Product Line | Customer A
Concentration Risk
Concentration Risk, Percentage				12.00%
Customer Concentration Risk | Sales Revenue, Product Line | Customer B
Concentration Risk
Concentration Risk, Percentage		47.00%		35.00%
Customer Concentration Risk | Sales Revenue, Product Line | Customer C
Concentration Risk
Concentration Risk, Percentage			11.00%
Customer Concentration Risk | Sales Revenue, Product Line | Customer D
Concentration Risk
Concentration Risk, Percentage	16.00%
Customer Concentration Risk | Sales Revenue, Product Line | Customer E
Concentration Risk
Concentration Risk, Percentage		11.00%
Customer Concentration Risk | Accounts Receivable
Concentration Risk
Concentration Risk, Percentage			33.00%
Concentration Risk, Number of Customers			1		2
Customer Concentration Risk | Accounts Receivable | Customer A
Concentration Risk
Concentration Risk, Percentage					27.00%
Customer Concentration Risk | Accounts Receivable | Customer B
Concentration Risk
Concentration Risk, Percentage					11.00%

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- Definition

Concentration Risk, Number of Customers

+ 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

No definition available.

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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=64851502&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=73719730&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=64851502&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=73719730&loc=d3e13537-108611

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