Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 247,702	$ 260,467
Receivables, net of allowance for doubtful accounts of $3,909 and $3,901 at March 31, 2013 and December 31, 2012, respectively	56,888	53,720
Prepaid expenses	74,525	94,620
Deferred income taxes	36,863	39,793
Other current assets	11,480	38,540
Total current assets	427,458	487,140
Property and equipment, net	2,707,172	2,730,797
Other assets
Investment in and advances to unconsolidated affiliates	201,727	204,506
Goodwill	1,379,355	1,380,689
Other intangible assets	706,718	706,477
Debt issuance costs, net of accumulated amortization of $13,548 and $11,462 at March 31, 2013 and December 31, 2012, respectively	33,959	35,999
Other assets	109,187	98,449
Total other assets	2,430,946	2,426,120
Total assets	5,565,576	5,644,057
Current liabilities
Current maturities of long-term debt	88,368	81,497
Accounts payable	37,198	38,268
Accrued expenses	103,308	133,316
Accrued interest	14,882	21,872
Accrued salaries and wages	78,076	96,426
Gaming, pari-mutuel, property, and other taxes	61,313	55,610
Insurance financing	13,456	3,856
Other current liabilities	75,114	68,774
Total current liabilities	471,715	499,619
Long-term liabilities
Long-term debt, net of current maturities	2,525,316	2,649,073
Deferred income taxes	221,124	216,357
Noncurrent tax liabilities	21,757	20,393
Other noncurrent liabilities	7,050	7,686
Total long-term liabilities	2,775,247	2,893,509
Shareholders' equity
Preferred stock ($.01 par value, 1,000,000 shares authorized, 12,050 and 12,275 shares issued and outstanding at March 31, 2013 and December 31, 2012, respectively)
Common stock ($.01 par value, 200,000,000 shares authorized, 78,175,181 and 77,446,601 shares issued at March 31, 2013 and December 31, 2012, respectively)	774	769
Additional paid-in capital	1,454,864	1,451,965
Retained earnings	860,444	795,173
Accumulated other comprehensive income	2,532	3,022
Total shareholders' equity	2,318,614	2,250,929
Total liabilities and shareholders' equity	$ 5,565,576	$ 5,644,057