Condensed Consolidated Balance Sheet (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Assets
Cash and cash equivalents	$ 281,632	$ 322,553
Accounts receivable, net of allowance for doubtful accounts of $1,215 and $1,187 as of June 30, 2013 and December 31, 2012, respectively	14,961	16,800
Inventory	11,270	11,096
Current deferred tax asset	10,045	8,862
Prepaid expenses and other current assets	34,938	27,378
Income tax receivable		9,612
Investments	202,164	150,306
Total current assets	555,010	546,607
Leasehold improvements, property and equipment, net	895,819	866,703
Long term investments	290,284	190,868
Other assets	45,879	42,550
Goodwill	21,939	21,939
Total assets	1,808,931	1,668,667
Liabilities and shareholders' equity
Accounts payable	63,305	58,700
Accrued payroll and benefits	69,564	71,731
Accrued liabilities	46,013	56,421
Income tax payable	3,825
Total current liabilities	182,707	186,852
Deferred rent	178,809	167,057
Deferred income tax liability	57,464	48,947
Other liabilities	22,508	19,885
Total liabilities	441,488	422,741
Shareholders equity:
Preferred stock, $0.01 par value, 600,000 shares authorized, no shares issued as of June 30, 2013 and December 31, 2012, respectively
Common stock, $0.01 par value, 230,000 shares authorized, and 34,966 and 34,912 shares issued as of June 30, 2013 and December 31, 2012, respectively	350	349
Additional paid-in capital	855,893	816,612
Treasury stock, at cost, 4,090 and 3,819 common shares at June 30, 2013 and December 31, 2012, respectively	(602,583)	(521,518)
Accumulated other comprehensive income (loss)	(113)	1,024
Retained earnings	1,113,896	949,459
Total shareholders' equity	1,367,443	1,245,926
Total liabilities and shareholders' equity	$ 1,808,931	$ 1,668,667