Consolidated Statements of Stockholders' (Deficit) Equity (USD $) In Thousands, except Share data	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Retained Earnings [Member]
Balance at Dec. 31, 2008	$ 338,780	$ 581	$ 246,662	$ (27,295)	$ (17,719)	$ 136,551
Balance at Dec. 31, 2008		57,301,000
Net income (loss)	(4,667)	0	0	0	0	(4,667)
Change in fair value of interest rate swap agreements	11,021	0	0	11,021	0	0
Total Comprehensive Income	6,354
Exercise of stock options and issuance of restricted shares		480,000
Exercise of stock options and issuance of restricted shares	2,140	5	2,135	0	0	0
Tax effect from stock-based arrangements	910	0	910	0	0	0
Dividends	(24,195)	0	0	0	0	(24,195)
Stock-based compensation expense	12,875	0	12,875	0	0	0
Purchases of treasury stock		(51,000)
Purchases of treasury stock	(871)	0	0	0	(871)	0
Balance at Dec. 31, 2009	335,993	586	262,582	(16,274)	(18,590)	107,689
Balance at Dec. 31, 2009		57,730,000
Net income (loss)	8,630	0	0	0	0	8,630
Change in fair value of interest rate swap agreements	16,274	0	0	16,274	0	0
Total Comprehensive Income	24,904
Exercise of stock options and issuance of restricted shares		659,000
Exercise of stock options and issuance of restricted shares	2,238	6	2,232	0	0	0
Tax effect from stock-based arrangements	(412)	0	(412)	0	0	0
Dividends	(24,389)	0	0	0	0	(24,389)
Stock-based compensation expense	14,324	0	14,324	0	0	0
Purchases of treasury stock		(101,000)
Purchases of treasury stock	(1,638)	0	0	0	(1,638)	0
Balance at Dec. 31, 2010	351,020	592	278,726	0	(20,228)	91,930
Balance at Dec. 31, 2010	58,287,697	58,288,000
Net income (loss)	6,794	0	0	0	0	6,794
Progressive jackpot liability cumulative adjustment	3,412	0	0	0	0	3,412
Change in fair value of interest rate swap agreements	0
Total Comprehensive Income	6,794
Exercise of stock options and issuance of restricted shares		1,140,000
Exercise of stock options and issuance of restricted shares	7,274	12	7,262	0	0	0
Tax effect from stock-based arrangements	(2)	0	(2)	0	0	0
Dividends	(16,419)	0	0	0	0	(16,419)
Stock-based compensation expense	24,345	0	24,345	0	0	0
Purchases of treasury stock		(26,659,000)
Purchases of treasury stock	(467,002)	0	0	0	(467,002)	0
Balance at Dec. 31, 2011	$ (90,578)	$ 604	$ 310,331	$ 0	$ (487,230)	$ 85,717
Balance at Dec. 31, 2011	32,768,825	32,769,000