Information Concerning Guarantor and Non-Guarantor Subsidiaries (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS
Revenues	$ 269,399	$ 225,232	$ 236,775	$ 220,738	$ 213,329	$ 158,272	$ 183,879	$ 214,481	$ 952,144	$ 769,961	$ 872,845
Operating expenses:
Operating costs									566,390	474,609	527,074
Selling, general and administrative									179,301	158,169	172,361
Casualty loss					5,000	6,000			1,225	42,321
Preopening costs					23,600	25,500	6,200		408	55,287
Depreciation and amortization	34,594	32,367	29,271	29,057	27,285	25,254	25,951	27,071	125,289	105,561	116,567
Operating income (loss)	19,768	13,837	31,200	14,726	(27,630)	(32,616)	(20,693)	14,953	79,531	(65,986)	56,843
Interest expense, net of amounts capitalized									(74,673)	(81,426)	(76,592)
Interest income									12,460	13,124	15,087
Income (loss) from unconsolidated companies									1,086	608	(5)
Net gain on extinguishment of debt										1,299	18,677
Other gains and (losses)									(916)	(535)	2,847
Income (loss) before income taxes and discontinued operations	7,706	(722)	13,432	(2,928)	(45,116)	(49,229)	(37,744)	(827)	17,488	(132,916)	16,857
(Provision) benefit for income taxes	(2,651)	(937)	(4,799)	967	12,593	17,403	11,697	(975)	(7,420)	40,718	(9,743)
Income (loss) from continuing operations	5,055	(1,659)	8,633	(1,961)	(32,523)	(31,826)	(26,047)	(1,802)	10,068	(92,198)	7,114
(Gain) loss from discontinued operations, net of taxes	48	53	4	4	(255)	46	3,327	(48)	109	3,070	(7,137)
Net income (loss)	5,103	(1,606)	8,637	(1,957)	(32,778)	(31,780)	(22,720)	(1,850)	10,177	(89,128)	(23)
Parent Company [Member]
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS
Revenues									6,064	12,556	8,623
Operating expenses:
Selling, general and administrative									17,631	22,583	21,789
Casualty loss									336	4,921
Preopening costs									48
Depreciation and amortization									3,852	4,576	5,841
Operating income (loss)									(15,803)	(19,524)	(19,007)
Interest expense, net of amounts capitalized									(75,626)	(83,117)	(77,920)
Interest income									103,686	98,216	23,487
Net gain on extinguishment of debt										1,299	18,677
Other gains and (losses)									(36)	(54)	(11)
Income (loss) before income taxes and discontinued operations									12,221	(3,180)	(54,774)
(Provision) benefit for income taxes									(2,856)	(88)	20,845
Equity in subsidiaries' losses (earnings), net									812	(85,860)	33,906
Income (loss) from continuing operations									10,177	(89,128)	(23)
Net income (loss)									10,177	(89,128)	(23)
Guarantor Subsidiaries [Member]
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS
Revenues									952,892	770,672	873,443
Operating expenses:
Operating costs									567,162	475,252	527,697
Selling, general and administrative									161,670	135,624	150,572
Management fees									6,040	12,532	8,598
Casualty loss									889	37,400
Preopening costs									360	55,341
Depreciation and amortization									121,437	100,985	110,726
Operating income (loss)									95,334	(46,462)	75,850
Interest expense, net of amounts capitalized									(120,442)	(116,078)	(118,866)
Interest income									14,737	17,989	97,552
Income (loss) from unconsolidated companies									1,086	608	(5)
Other gains and (losses)									(880)	(481)	2,858
Income (loss) before income taxes and discontinued operations									(10,165)	(144,424)	57,389
(Provision) benefit for income taxes									901	46,506	(25,584)
Income (loss) from continuing operations									(9,264)	(97,918)	31,805
(Gain) loss from discontinued operations, net of taxes									23	22	(7,096)
Net income (loss)									(9,241)	(97,896)	24,709
Non-Guarantor Subsidiaries [Member]
Operating expenses:
Interest expense, net of amounts capitalized									(407)	(349)
Interest income									15,839	15,037	14,242
Income (loss) before income taxes and discontinued operations									15,432	14,688	14,242
(Provision) benefit for income taxes									(5,465)	(5,700)	(5,004)
Income (loss) from continuing operations									9,967	8,988	9,238
(Gain) loss from discontinued operations, net of taxes									86	3,048	(41)
Net income (loss)									10,053	12,036	9,197
Consolidation, Eliminations [Member]
CONDENSED CONSOLIDATING STATEMENT OF OPERATIONS
Revenues									(6,812)	(13,267)	(9,221)
Operating expenses:
Operating costs									(772)	(643)	(623)
Selling, general and administrative										(38)
Management fees									(6,040)	(12,532)	(8,598)
Preopening costs										(54)
Interest expense, net of amounts capitalized									121,802	118,118	120,194
Interest income									(121,802)	(118,118)	(120,194)
Equity in subsidiaries' losses (earnings), net									(812)	85,860	(33,906)
Income (loss) from continuing operations									(812)	85,860	(33,906)
Net income (loss)									$ (812)	$ 85,860	$ (33,906)