Commitments and Contingencies (Details 1) (USD $) In Thousands, unless otherwise specified	Jan. 02, 2015	Jan. 03, 2014
Loss Contingencies [Line Items]
Capital Leased Assets, Gross	$ 1,496us-gaap_CapitalLeasedAssetsGross	$ 4,688us-gaap_CapitalLeasedAssetsGross
Less accumulated depreciation	511	3,984
Capital Leases, Balance Sheet, Assets by Major Class, Net, Total	985	704
Machinery and Equipment [Member]
Loss Contingencies [Line Items]
Capital Leased Assets, Gross	1,141	3,922
Furniture and Fixtures [Member]
Loss Contingencies [Line Items]
Capital Leased Assets, Gross	334	611
Leasehold Improvements [Member]
Loss Contingencies [Line Items]
Capital Leased Assets, Gross	$ 21	$ 155

Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

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Balance Type:	debit
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- Definition

The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45014-112735

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 2)

-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

+ Details

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Balance Type:	credit
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- Details

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- Details

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- Details

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- Details

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