Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets
Cash and cash equivalents	$ 260,467	$ 238,440
Receivables, net of allowance for doubtful accounts of $3,901 and $4,115 at December 31, 2012 and December 31, 2011, respectively	53,720	55,455
Insurance receivable		1,072
Prepaid expenses	94,620	39,801
Deferred income taxes	39,793	32,306
Other current assets	38,540	48,715
Total current assets	487,140	415,789
Property and equipment, net	2,730,797	2,277,200
Other assets
Investment in and advances to unconsolidated affiliates	204,506	174,116
Goodwill	1,380,689	1,180,359
Other intangible assets	706,477	421,593
Debt issuance costs, net of accumulated amortization of $11,462 and $4,860 at December 31, 2012 and December 31, 2011, respectively	35,999	33,310
Other assets	98,449	103,979
Total other assets	2,426,120	1,913,357
Total assets	5,644,057	4,606,346
Current liabilities
Current maturities of long-term debt	81,497	44,559
Accounts payable	38,268	39,582
Accrued expenses	133,316	113,699
Accrued interest	21,872	17,947
Accrued salaries and wages	96,426	85,285
Gaming, pari-mutuel, property, and other taxes	55,610	49,559
Income taxes		5,696
Insurance financing	3,856	16,363
Other current liabilities	68,774	53,650
Total current liabilities	499,619	426,340
Long-term liabilities
Long-term debt, net of current maturities	2,649,073	1,998,606
Deferred income taxes	216,357	167,576
Noncurrent tax liabilities	20,393	33,872
Other noncurrent liabilities	7,686	8,321
Total long-term liabilities	2,893,509	2,208,375
Shareholders' equity
Preferred stock ($.01 par value, 1,000,000 shares authorized, 12,275 shares issued and outstanding at December 31, 2012 and 2011)
Common stock ($.01 par value, 200,000,000 shares authorized, 77,446,601 and 76,213,126 shares issued at December 31, 2012 and December 31, 2011, respectively)	769	756
Additional paid-in capital	1,451,965	1,385,355
Retained earnings	795,173	583,202
Accumulated other comprehensive income	3,022	2,318
Total shareholders' equity	2,250,929	1,971,631
Total liabilities and shareholders' equity	$ 5,644,057	$ 4,606,346