Consolidated Balance Sheets (unaudited) (USD $)	Sep. 25, 2012	Dec. 27, 2011
Current assets:
Cash and cash equivalents	$ 289,884,000	$ 222,640,000
Trade accounts receivable, net	33,548,000	30,700,000
Other accounts receivable	19,006,000	24,009,000
Inventories	17,704,000	17,016,000
Prepaid expenses and other	43,591,000	31,228,000
Deferred income taxes	31,621,000	27,526,000
Total current assets	435,354,000	353,119,000
Property and equipment, net	543,959,000	492,022,000
Other assets:
Goodwill	121,945,000	108,071,000
Other intangible assets, net	90,266,000	67,269,000
Deposits and other	6,751,000	6,841,000
Total other assets	218,962,000	182,181,000
Total assets	1,198,275,000	1,027,322,000
Current liabilities:
Accounts payable	7,825,000	15,884,000
Accrued expenses	266,596,000	222,450,000
Total current liabilities	274,421,000	238,334,000
Deferred rent	58,151,000	54,055,000
Deferred income taxes	35,456,000	34,345,000
Other long-term liabilities	45,166,000	45,512,000
Total liabilities	413,194,000	372,246,000
Commitments and Contingencies
Common stock, $.0001 par value per share:
Treasury stock, carried at cost; 2,123,911 shares at September 25, 2012 and 2,048,338 shares at December 27, 2011	(186,921,000)	(175,595,000)
Preferred Stock, $.0001 par value per share; 2,000,000 shares authorized and no shares issued or outstanding at September 25, 2012 and December 27, 2011	0	0
Additional paid-in capital	169,009,000	150,093,000
Accumulated other comprehensive income	887,000	308,000
Retained earnings	802,103,000	680,267,000
Total stockholders' equity	785,081,000	655,076,000
Total liabilities and stockholders' equity	1,198,275,000	1,027,322,000
Common Stock Class A [Member]
Common stock, $.0001 par value per share:
Common stock	3,000	3,000
Common Stock Class B [Member]
Common stock, $.0001 par value per share:
Common stock	$ 0	$ 0