Fair Value Measurements (Details) $ in Thousands	12 Months Ended
Dec. 30, 2014 USD ($) restaurant	Dec. 29, 2015 USD ($)
Fair value of financial instruments
Transfer of asset levels within the fair value hierarchy		$ 0
Interest rate swaps	$ (1,375)	(45)
Number of underperforming restaurants related to goodwill \| restaurant	1
Goodwill of underperforming restaurant	$ 0
Fair value measured on a recurring basis \| Level 2
Fair value of financial instruments
Interest rate swaps	(1,375)	(45)
Fair value measured on a recurring basis \| Level 1
Fair value of financial instruments
Deferred compensation plan - assets	14,963	17,401
Deferred compensation plan - liabilities	(14,974)	$ (17,416)
Fair value measured on a nonrecurring basis \| Level 3
Fair value of financial instruments
Long-lived asset impairment losses	$ 626

Amount of transfers of assets measured on a recurring basis levels within the fair value hierarchy.

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- Definition

Represents the value of goodwill for underperforming restaurant.

+ References

No definition available.

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- Definition

Represents the number of underperforming restaurants associated with the goodwill.

+ References

No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2420-110228

Reference 2: 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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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

+ References

No definition available.

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Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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.

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- Definition

Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959

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