Financing Obligations (Details) (USD $)	9 Months Ended				12 Months Ended	9 Months Ended
	Sep. 30, 2012		Dec. 31, 2011	Sep. 30, 2012 Subject to Financing Obligations Restaurants	Dec. 31, 2012 2012 payments	Sep. 30, 2012 2015 payments
Sale Leaseback Transaction [Line Items]
Remainder of 2012	$ 2,700,000	[1]
2013	10,800,000
2014	10,900,000
2015	11,900,000	[1]
2016	11,000,000
Thereafter	133,200,000
Total minimum lease payments	180,500,000
Less: interest	(84,400,000)
Total financing obligations	96,100,000
Less: current portion	(2,300,000)	[2]
Long Term Financing Obligations	93,774,000		162,658,000
Number of Monthly Leaseback Obligation Payments in Fiscal Year					11	13
Number of Restaurants				41
Reduction in Property and Equipment and Financing Obligations as a Result of Sales Transactions	$ 67,900,000

[1] Due to the varying closing dates of the Company’s fiscal years, 11 monthly payments will be made in fiscal 2012 and 13 monthly payments will be made in fiscal 2015.

[2] Included in “current maturities of capital lease and financing obligations” on the consolidated balance sheet.