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Income Taxes Income Taxes Narrative (Details) (USD $)	3 Months Ended		9 Months Ended
Income Taxes Income Taxes Narrative (Details) (USD $)	Sep. 30, 2012 Rate	Oct. 02, 2011	Sep. 30, 2012 Rate	Oct. 02, 2011 Rate	Jan. 01, 2012
Income Tax Disclosure [Abstract]
Restaurants, Percent Leased from Related Party	51.90%		51.90%
Effective Income Tax Rate, Continuing Operations			41.90%	76.60%
Valuation Allowance, Deferred Tax Asset, Change in Amount	$ 1,435,000	$ 0	$ 1,435,000	$ 0
Income Tax Reconciliation, Other Adjustments	(200,000)	(100,000)	100,000	(100,000)
Unrecognized Tax Benefits	0		0		0
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	$ 0		$ 0		$ 0

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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- Definition

This element represents the amount of interest expense accrued as of the date of the statement of financial position for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity.

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- Definition

The amount of the change in the period in the valuation allowance for a specified deferred tax asset.

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