Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Current assets
Cash and cash equivalents	$ 235,135	$ 260,467
Receivables, net of allowance for doubtful accounts of $4,272 and $3,901 at June 30, 2013 and December 31, 2012, respectively	52,135	53,720
Insurance receivable	210
Prepaid expenses	65,482	94,620
Deferred income taxes	36,674	39,793
Other current assets	11,646	38,540
Total current assets	401,282	487,140
Property and equipment, net	2,678,003	2,730,797
Other assets
Investment in and advances to unconsolidated affiliates	201,547	204,506
Goodwill	1,309,413	1,380,689
Other intangible assets, net	698,467	706,477
Debt issuance costs, net of accumulated amortization of $15,636 and $11,462 at June 30, 2013 and December 31, 2012, respectively	31,761	35,999
Other assets	112,897	98,449
Total other assets	2,354,085	2,426,120
Total assets	5,433,370	5,644,057
Current liabilities
Current maturities of long-term debt	82,594	81,497
Accounts payable	25,256	38,268
Accrued expenses	102,821	133,316
Accrued interest	19,831	21,872
Accrued salaries and wages	80,567	96,426
Gaming, pari-mutuel, property, and other taxes	65,857	55,610
Insurance financing	8,125	3,856
Other current liabilities	71,997	68,774
Total current liabilities	457,048	499,619
Long-term liabilities
Long-term debt, net of current maturities	2,393,606	2,649,073
Deferred income taxes	223,004	216,357
Noncurrent tax liabilities	23,044	20,393
Other noncurrent liabilities	7,050	7,686
Total long-term liabilities	2,646,704	2,893,509
Shareholders' equity
Preferred stock ($.01 par value, 1,000,000 shares authorized, 12,050 and 12,275 shares issued and outstanding at June 30, 2013 and December 31, 2012, respectively)
Common stock ($.01 par value, 200,000,000 shares authorized, 78,854,790 and 77,446,601 shares issued at June 30, 2013 and December 31, 2012, respectively)	780	769
Additional paid-in capital	1,479,945	1,451,965
Retained earnings	848,264	795,173
Accumulated other comprehensive income	629	3,022
Total shareholders' equity	2,329,618	2,250,929
Total liabilities and shareholders' equity	$ 5,433,370	$ 5,644,057