Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 29, 2013	Dec. 30, 2012
Property and equipment, accumulated depreciation	$ 185,456	$ 171,024
Franchise rights, accumulated amortization	77,783	74,699
Franchise agreements, accumulated amortization	6,278	7,188
Favorable leases, accumulated amortization	418	183
Unfavorable leases, accumulated amortization	$ 1,161	$ 508
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	20,000,000	20,000,000
Preferred stock, shares issued	100	100
Preferred stock, shares outstanding	100	100
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	23,698,680	23,682,869
Common stock, shares, outstanding	23,046,437	22,748,241