Condensed Consolidated Statements Of Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net revenues:
Racing	$ 50,687	$ 62,919	$ 235,887	$ 253,541
Gaming	79,832	49,493	218,808	160,200
Online	48,522	45,593	143,969	142,330
Other	6,605	6,872	18,828	17,818
Net revenues	185,646	164,877	617,492	573,889
Operating expenses:
Racing	54,375	61,953	185,655	200,425
Gaming	61,086	37,891	161,698	117,122
Online	32,227	32,190	95,807	95,266
Other	6,597	6,793	18,597	19,368
Selling, general and administrative expenses	21,188	18,237	60,842	54,506
Insurance recoveries, net of losses	0	0	(375)	(6,514)
Operating income	10,173	7,813	95,268	93,716
Other income (expense):
Interest income	6	31	105	84
Interest expense	(1,407)	(873)	(4,139)	(3,078)
Equity in losses of unconsolidated investments	(887)	(471)	(1,682)	(1,255)
Miscellaneous, net	4,438	569	5,468	639
Total other income (expense)	2,150	(744)	(248)	(3,610)
Earnings from continuing operations before provision for income taxes	12,323	7,069	95,020	90,106
Income tax provision	(3,165)	(1,096)	(34,505)	(34,203)
Earnings from continuing operations	9,158	5,973	60,515	55,903
Discontinued operations, net of income taxes:
Earnings (loss) from operations	91	0	90	(1)
Net earnings and comprehensive income	$ 9,249	$ 5,973	$ 60,605	$ 55,902
Earnings Per Share, Basic [Abstract]
Net earnings (in dollars per share), Basic	$ 0.52	$ 0.34	$ 3.44	$ 3.24
Income (Loss) from Continuing Operations, Per Basic Share	$ 0.52	$ 0.34	$ 3.43	$ 3.24
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share	$ 0.00	$ 0	$ 0.01	$ 0
Earnings Per Share, Diluted [Abstract]
Net earnings (in dollars per share), Diluted	$ 0.52	$ 0.34	$ 3.39	$ 3.20
Income (Loss) from Continuing Operations, Per Diluted Share	$ 0.51	$ 0.34	$ 3.38	$ 3.20
Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share	$ 0.01	$ 0	$ 0.01	$ 0
Weighted average shares outstanding:
Basic (in shares)	17,328	17,130	17,269	17,004
Diluted (in shares)	17,955	17,575	17,881	17,465