Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Millions, except Per Share data	3 Months Ended		9 Months Ended
	Oct. 02, 2011	Oct. 03, 2010	Oct. 02, 2011	Oct. 03, 2010
Revenues:
Sales by company-operated restaurants	$ 12.3	$ 12.3	$ 42.2	$ 40.5
Franchise revenues	22.2	20.8	72.1	68.4
Rent and other revenues	0.9	1.0	3.2	3.3
Total revenues	35.4	34.1	117.5	112.2
Expenses:
Restaurant employee, occupancy and other expenses	6.0	6.2	20.6	20.2
Restaurant food, beverages and packaging	4.2	4.0	14.1	12.9
Rent and other occupancy expenses	0.7	0.1	2.1	1.5
General and administrative expenses	14.1	12.3	46.2	41.7
Depreciation and amortization	0.9	0.9	3.2	3.0
Other expenses (income), net	0.3			(0.1)
Total expenses	26.2	23.5	86.2	79.2
Operating profit	9.2	10.6	31.3	33.0
Interest expense, net	0.8	1.4	2.8	5.9
Income before income taxes	8.4	9.2	28.5	27.1
Income tax expense	2.6	3.3	10.0	8.6
Net income	$ 5.8	$ 5.9	$ 18.5	$ 18.5
Earnings per common share, basic:	$ 0.24	$ 0.23	$ 0.75	$ 0.73
Earnings per common share, diluted:	$ 0.24	$ 0.23	$ 0.74	$ 0.73
Weighted-average shares outstanding:
Basic	24.1	25.3	24.7	25.3
Diluted	24.5	25.5	25.1	25.5