Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash flows from operating activities:
Net earnings	$ 64,355	$ 16,353	$ 16,828
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	55,170	46,524	30,256
Asset impairment loss	694	1,598
Gain on sale of business	(271)	(4,175)
Equity in loss of unconsolidated investments	1,113	571	960
Loss on sale of assets	52	371	120
Unrealized gain on derivative instruments	(3,096)	(817)	(817)
Share-based compensation	5,531	4,802	2,838
Deferred tax provision (benefit)	14,097	8,634	(168)
Other	2,489	1,473	612
Increase (decrease) in cash resulting from changes in operating assets and liabilities, net of business acquisitions and dispositions:
Restricted cash	18,342	(20,338)	(21,091)
Accounts receivable	(407)	290	1,721
Other current assets	3,235	112	(955)
Income taxes	7,995	(12,729)	18,892
Accounts payable	14,447	1,834	(5,741)
Purses payable	7,301	(92)	556
Accrued expenses	2,441	4,963	2,971
Deferred revenue	(36,859)	11,379	30,924
Other assets and liabilities	16,549	(896)	(6,859)
Net cash provided by operating activities	173,178	59,857	71,047
Cash flows from investing activities:
Acquisition of businesses, net of cash acquired		(169,665)
Additions to property and equipment	(22,667)	(61,952)	(81,940)
Purchases of minority investments	(1,189)	(450)	(2,201)
Acquisition of gaming license	(2,250)	(2,750)	(3,250)
Contingency payment for acquisition of business			(3,500)
Proceeds on sale of property and equipment	55	57	8
Change in deposit wagering asset	(1,010)	(181)	(295)
Net cash used in investing activities	(27,061)	(234,941)	(91,178)
Cash flows from financing activities:
Borrowings on bank line of credit	320,181	442,758	313,452
Repayments of bank line of credit	(457,736)	(248,773)	(285,460)
Change in deposit wagering liability	802	139	691
Change in book overdraft	(188)	1,922	1,697
Payments of dividends	(8,165)	(6,777)	(6,767)
Windfall (shortfall) tax provision from share-based compensation	151	(126)	4
Loan origination fees	(155)	(421)	(2,721)
Repurchase of common stock	(1,308)	(944)	(235)
Common stock issued	725	564	455
Net cash (used in) provided by financing activities	(145,693)	188,342	21,116
Net increase in cash and cash equivalents	424	13,258	985
Cash and cash equivalents, beginning of year	26,901	13,643	12,658
Cash and cash equivalents, end of year	27,325	26,901	13,643
Supplemental disclosures of cash flow information:
Interest	5,521	3,746	478
Income taxes	24,785	11,778	8,043
Schedule of non-cash investing and financing activities:
Property and equipment additions included in accounts payable and accrued expenses	787	47	5,126
Property and equipment reductions included in accounts receivable	9,870
Note payable issued to acquire land			24,043
Assets acquired and liabilities assumed from acquisition of businesses:
Accounts receivable, net		2,925
Other current assets		2,813
Income tax receivable		941
Other non-current assets		20,233
Property and equipment, net		56,183
Goodwill		99,179
Other intangible assets		86,305
Accounts payable		(11,605)
Accrued expenses		(7,713)
Other liabilities		(62)
Deferred revenue		(299)
Issuance Of Common Stock For Extinguishment Of Convertible Note Payable [Member]
Schedule of non-cash investing and financing activities:
Issuance of common stock	19,399
Issuance Of Common Stock In Connection With Company LTIP And Restricted Stock Plans [Member]
Schedule of non-cash investing and financing activities:
Issuance of common stock	5,058	2,525
Issuance Of Common Stock In Connection With Acquisition Of Business [Member]
Schedule of non-cash investing and financing activities:
Issuance of common stock		$ 86,497