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Supplemental Disclosure of Cash Flow Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 02, 2015	Jan. 03, 2014	Dec. 28, 2012
Non-cash investing and financing activities:
Assets obtained by capital lease	$ 802us-gaap_NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	$ 0us-gaap_NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	$ 527us-gaap_NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1
Purchase of property and equipment included in accounts payable	$ 682us-gaap_FairValueOfAssetsAcquired	$ 818us-gaap_FairValueOfAssetsAcquired	$ 0us-gaap_FairValueOfAssetsAcquired

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- Definition

The fair value of assets acquired in noncash investing or financing activities.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

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The value of an asset or business acquired in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 5

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