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Restructuring Charges (Details) - 2013 restructuring $ in Thousands	6 Months Ended
	Jul. 04, 2015 USD ($)
Restructuring Reserve [Roll Forward]
Balance at January 3, 2015	$ 860
Adjustments to reserves	0
Payments	(519)
Balance at July 4, 2015	341
Reduction in Force Activities
Restructuring Reserve [Roll Forward]
Balance at January 3, 2015	313
Adjustments to reserves	(8)
Payments	(305)
Balance at July 4, 2015	0
Facility Lease Obligation
Restructuring Reserve [Roll Forward]
Balance at January 3, 2015	547
Adjustments to reserves	8
Payments	(214)
Balance at July 4, 2015	$ 341

X

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 230



-SubTopic 10



-Section 45



-Paragraph 28



-Subparagraph (b)



-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 420



-SubTopic 10



-Section S99



-Paragraph 2



-Subparagraph (SAB TOPIC 5.P.4(b))



-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher SEC



-Name Staff Accounting Bulletin (SAB)



-Number Topic 5



-Section P



-Subsection 3, 4

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- Definition

Amount of (expense) reversal of expense related to a previously accrued restructuring cost liability. Excludes adjustments for costs incurred, costs settled, and foreign currency translation adjustments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 420



-SubTopic 10



-Section 40



-Paragraph 1



-URI http://asc.fasb.org/extlink&oid=6394291&loc=d3e17658-110867



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 420



-SubTopic 10



-Section S99



-Paragraph 2



-Subparagraph (SAB TOPIC 5.P.4(b))



-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747



Reference 3: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 420



-SubTopic 10



-Section 50



-Paragraph 1



-Subparagraph (b)



-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869



Reference 4: http://www.xbrl.org/2003/role/presentationRef



-Publisher SEC



-Name Staff Accounting Bulletin (SAB)



-Number Topic 5



-Section P



-Subsection 3, 4

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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