Lease Termination Costs (Details)	3 Months Ended	6 Months Ended
Jun. 29, 2015 USD ($) Restaurant	Jun. 30, 2014 USD ($) Restaurant	Jun. 29, 2015 USD ($) Restaurant	Jun. 30, 2014 USD ($) Restaurant
Lease Termination Costs [Abstract]
Lease termination cost \| $	$ 142,000	$ 1,174,000	$ 193,000	$ 1,158,000
Number of restaurants closed	1	6	2	8

Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)(1)

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

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

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration