Consolidated Balance Sheets (USD $)	Dec. 25, 2012	Dec. 27, 2011
Current assets:
Cash and cash equivalents	$ 297,141,000	$ 222,640,000
Trade accounts receivable, net	43,843,000	30,700,000
Other accounts receivable	42,419,000	24,009,000
Inventories	19,714,000	17,016,000
Prepaid expenses and other	42,223,000	31,228,000
Deferred income taxes	33,502,000	27,526,000
Total current assets	478,842,000	353,119,000
Property and equipment, net	571,754,000	492,022,000
Other assets:
Goodwill	121,903,000	108,071,000
Other intangible assets, net	88,073,000	67,269,000
Deposits and other	7,591,000	6,841,000
Total other assets	217,567,000	182,181,000
Total assets	1,268,163,000	1,027,322,000
Current liabilities:
Accounts payable	9,371,000	15,884,000
Accrued expenses	268,169,000	222,450,000
Total current liabilities	277,540,000	238,334,000
Deferred rent	59,822,000	54,055,000
Deferred income taxes	60,655,000	34,345,000
Other long-term liabilities	48,227,000	45,512,000
Total liabilities	446,244,000	372,246,000
Common stock, $.0001 par value:
Treasury stock, carried at cost; 2,249,554 shares at December 25, 2012 and 2,048,338 shares at December 27, 2011	(207,161,000)	(175,595,000)
Preferred stock, $.0001 par value per share; 2,000,000 shares authorized and no shares issued or outstanding at December 25, 2012 and December 27, 2011	0	0
Additional paid-in capital	174,690,000	150,093,000
Accumulated other comprehensive income	672,000	308,000
Retained earnings	853,715,000	680,267,000
Total stockholders' equity	821,919,000	655,076,000
Total liabilities and stockholders' equity	1,268,163,000	1,027,322,000
Common Stock Class A [Member]
Common stock, $.0001 par value:
Common Stock	3,000	3,000
Common Stock Class B [Member]
Common stock, $.0001 par value:
Common Stock	$ 0	$ 0