Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net earnings (loss)	$ 1,353	$ (3,185)
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities:
Depreciation and amortization	13,807	13,986
Asset impairment loss	1,369	60
Gain on asset disposition	(21)
Equity in losses of unconsolidated investments	220	416
Unrealized gain on derivative instruments		(204)
Share-based compensation	1,924	1,531
Other	228	271
Increase (decrease) in cash resulting from changes in operating assets and liabilities, net of business acquisition:
Restricted cash	4,327	6,547
Accounts receivable	7,160	10,451
Other current assets	(7,280)	(5,129)
Accounts payable	(2,399)	(2,349)
Purses payable	209	(3,189)
Accrued expenses	(5,462)	(2,774)
Deferred revenue	38,782	37,774
Income taxes receivable and payable	110	5,163
Other assets and liabilities	782	1,106
Net cash provided by operating activities	55,109	60,475
Cash flows from investing activities:
Additions to property and equipment	(9,120)	(5,517)
Acquisition of business, net of cash	(6,630)
Investment in joint venture	(4,275)
Purchases of minority investments	(1,482)
Assumption of note receivable	(1,100)
Proceeds on sale of property and equipment	65	46
Proceeds from insurance recoveries	1,369
Change in deposit wagering asset	(1,675)	388
Net cash used in investing activities	(22,848)	(5,083)
Cash flows from financing activities:
Borrowings on bank line of credit	79,135	72,436
Repayments on bank line of credit	(98,936)	(114,683)
Change in bank overdraft	(3,241)	(4,064)
Payment of dividends	(10,110)	(8,165)
Repurchase of common stock	(268)	(151)
Common stock issued	391
Windfall tax benefit from share-based compensation	443
Change in deposit wagering liability	1,882	(318)
Net cash used in financing activities	(30,704)	(54,945)
Net increase in cash and cash equivalents	1,557	447
Cash and cash equivalents, beginning of period	27,325	26,901
Cash and cash equivalents, end of period	28,882	27,348
Supplemental disclosures of cash flow information:
Interest	764	1,978
Income taxes	297	1,203
Assets acquired and liabilities assumed from acquisition of business:
Fair value of assets acquired	9,356
Liabilities assumed	(395)
Fair value of earn-out liability and accrued purchase price	(2,331)
Issuance Of Common Stock In Connection With Company LTIP And Other Stock Plans [Member]
Schedule of non-cash investing and financing activities:
Issuance of common stock	$ 5,110	$ 4,069