Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Assets, Current [Abstract]
Cash and cash equivalents	$ 67,936	$ 44,708
Restricted cash	26,065	36,074
Accounts receivable, net of allowance for doubtful accounts of $4,246 in 2014 and $4,338 in 2013	75,890	46,572
Deferred income taxes	17,716	8,927
Income taxes receivable	29,455	12,398
Other current assets	24,665	12,036
Total current assets	241,727	160,715
Property and equipment, net	595,315	585,498
Investment in and advances to unconsolidated affiliates	109,548	86,151
Goodwill	839,520	300,616
Other intangible assets, net	549,972	198,149
Other assets	24,192	21,132
Total assets	2,360,274	1,352,261
Liabilities, Current [Abstract]
Accounts payable	45,597	43,123
Bank overdraft	544	973
Purses payable	11,169	18,839
Account wagering deposit liabilities	18,137	18,679
Accrued expenses	91,056	67,328
Estimated Payable to the acquisition equity holders, income tax refund	18,087	0
Deferred revenue	51,833	49,078
Deferred revenue - Big Fish Games	41,747	0
Deferred Payment to Founder, Fair Value-Current	27,180	0
Current maturities of long-term debt	11,250	0
Dividends payable	17,419	15,186
Total current liabilities	334,019	213,206
Long-term Debt, Excluding Current Maturities	459,105	69,191
Notes payable	300,000	300,000
Deferred Payment to Founder, Fair Value-Noncurrent	51,620	0
Big Fish Games earnout liability	327,800	0
Other liabilities	21,718	17,753
Deferred revenue	16,489	16,706
Deferred income taxes	149,522	30,616
Total liabilities	1,660,273	647,472
Commitments and contingencies
Shareholders’ equity:
Preferred stock, no par value; 250 shares authorized; no shares issued	0	0
Common stock, no par value; 50,000 shares authorized; 17,472 shares issued at December 31, 2014 and 17,948 shares issued at December 31, 2013	262,280	295,955
Accumulated other comprehensive loss	(125)	0
Retained earnings	437,846	408,834
Total shareholders’ equity	700,001	704,789
Total liabilities and shareholders’ equity	$ 2,360,274	$ 1,352,261