Long-Term Debt Fiesta Restaurant Group Debt (Details) (USD $)	Dec. 30, 2012	Jan. 01, 2012
Debt Instrument [Line Items]
Fiesta Restaurant Group 8.875% Senior Secured Second Lien Notes	$ 150,000,000
Debt Instrument, Interest Rate, Stated Percentage	11.25%
Line of Credit Facility, Maximum Borrowing Capacity	25,000,000
Line of Credit Facility, Current Borrowing Capacity	20,000,000
Fiesta Restaurant Group [Member]
Debt Instrument [Line Items]
Fiesta Restaurant Group 8.875% Senior Secured Second Lien Notes	0	200,000,000
Line of Credit Facility, Maximum Borrowing Capacity	25,000,000
Fiesta Restaurant Group [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	8.875%
Letter of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity	15.0
Letter of Credit [Member] \| Fiesta Restaurant Group [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity	$ 10,000,000

Interest rate stated in the contractual debt agreement.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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