Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:
Net earnings and comprehensive income	$ 60,164	$ 60,605
Adjustments to reconcile net earnings and comprehensive income to net cash provided by operating activities:
Depreciation and amortization	48,324	45,822
Gain on asset disposition	(405)	(495)
Equity in (gain) loss of unconsolidated investments	(5,853)	1,682
Share-based compensation	10,567	15,567
Other	458	555
Increase (decrease) in cash resulting from changes in operating assets and liabilities, net of business acquisition:
Restricted cash	8,525	2,056
Accounts receivable	(1,455)	(8,482)
Other current assets	(3,346)	(793)
Accounts payable	2,872	5,812
Purses payable	(6,336)	(3,284)
Accrued expenses	2,707	2,202
Deferred revenue	(24,797)	(17,100)
Income taxes receivable and payable	20,482	9,305
Other assets and liabilities	2,338	921
Net cash provided by operating activities	114,245	114,373
Cash flows from investing activities:
Additions to property and equipment	(48,854)	(29,858)
Payments to Acquire Businesses, Net of Cash Acquired	0	(154,872)
Payments to Acquire Intangible Assets	0	(2,500)
Payments to Acquire Additional Interest in Subsidiaries	(2,250)	(2,250)
Investment in joint ventures	(9,375)	(27,000)
Purchases of minority investments	(273)	(625)
Proceeds on sale of property and equipment	925	4
Change in deposit wagering asset	404	(3,841)
Net cash used in investing activities	(59,423)	(220,942)
Cash flows from financing activities:
Borrowings on bank line of credit	317,379	641,665
Repayments on bank line of credit	(303,179)	(526,611)
Change in bank overdraft	1,580	(1,103)
Payment of dividends	(15,186)	0
Stock Repurchased and Retired During Period, Value	(61,561)	0
Repurchase of common stock from share-based compensation	(9,298)	(5,940)
Common stock issued	7,475	1,135
Windfall tax benefit from share-based compensation	6,904	2,194
Loan Origination Fees	(170)	(2,038)
Payments of Debt Issuance Costs	(1,029)	0
Change in deposit wagering liability	(404)	3,841
Net cash (used in) provided by financing activities	(57,489)	113,143
Net (decrease) increase in cash and cash equivalents	(2,667)	6,574
Cash and cash equivalents, beginning of period	44,708	37,177
Cash and cash equivalents, end of period	42,041	43,751
Cash paid during the period for:
Interest	9,078	2,847
State tax credits	0	1,298
Income taxes	16,956	20,948
Schedule of non-cash investing and financing activities:
Issuance of common stock in connection with the Company LTIP, the New Company LTIP and other restricted stock plans	2,991	32,460
Capital Expenditures Incurred but Not yet Paid	0	331
Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed) [Abstract]
Fair Value of Assets Acquired	0	161,051
Liabilities Assumed	$ 0	$ 6,179