Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets
Cash and cash equivalents	$ 204,126	$ 238,440
Receivables, net of allowance for doubtful accounts of $3,467 and $4,115 at June 30, 2012 and December 31, 2011, respectively	53,602	55,455
Insurance receivable		1,072
Prepaid expenses	40,536	39,801
Deferred income taxes	31,856	32,306
Other current assets	47,289	48,715
Total current assets	377,409	415,789
Property and equipment, net	2,420,087	2,277,200
Other assets
Investment in and advances to unconsolidated affiliates	216,478	174,116
Goodwill	1,178,136	1,180,359
Other intangible assets, net	471,380	421,593
Debt issuance costs, net of accumulated amortization of $7,977 and $4,860 at June 30, 2012 and December 31, 2011, respectively	30,261	33,310
Other assets	89,238	103,979
Total other assets	1,985,493	1,913,357
Total assets	4,782,989	4,606,346
Current liabilities
Current maturities of long-term debt	42,600	44,559
Accounts payable	30,332	39,582
Accrued expenses	106,673	113,699
Accrued interest	17,301	17,947
Accrued salaries and wages	75,390	85,285
Gaming, pari-mutuel, property, and other taxes	45,551	49,559
Income taxes		5,696
Insurance financing	6,999	16,363
Other current liabilities	58,791	53,650
Total current liabilities	383,637	426,340
Long-term liabilities
Long-term debt, net of current maturities	2,059,433	1,998,606
Deferred income taxes	152,209	167,576
Noncurrent tax liabilities	36,870	33,872
Other noncurrent liabilities	7,686	8,321
Total long-term liabilities	2,256,198	2,208,375
Shareholders' equity
Preferred stock ($.01 par value, 1,000,000 shares authorized, 12,275 shares issued and outstanding at June 30, 2012 and December 31, 2011)
Common stock ($.01 par value, 200,000,000 shares authorized, 76,589,626 and 76,213,126 shares issued at June 30, 2012 and December 31, 2011, respectively)	760	756
Additional paid-in capital	1,411,670	1,385,355
Retained earnings	728,488	583,202
Accumulated other comprehensive income	2,236	2,318
Total shareholders' equity	2,143,154	1,971,631
Total liabilities and shareholders' equity	$ 4,782,989	$ 4,606,346