Acquisition Pro Forma Information, 2015 Acquisitions (Details) - 2015 Acquisitions [Member] $ / shares in Units, $ in Thousands	12 Months Ended
Jan. 03, 2016 USD ($) $ / shares
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Restaurant sales	$ 918,456
Net income (loss)	$ 6,447
Basic and diluted net income (loss) per share \| $ / shares	$ 0.14

Business Acquisition, Pro Forma Earnings Per Share, Basic and Diluted

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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.

+ Details

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

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