CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2009
Revenues:
Gaming	$ 1,289,656	$ 1,286,518	$ 1,317,341
Food and beverage	91,072	96,588	93,105
Hotel	35,892	38,261	39,567
Retail, entertainment and other	110,568	118,259	122,701
Gross revenues	1,527,188	1,539,626	1,572,714
Less-Promotional allowances	(108,809)	(117,664)	(117,597)
Net revenues	1,418,379	1,421,962	1,455,117
Operating costs and expenses:
Gaming	790,451	820,274	833,088
Food and beverage	41,515	45,345	42,720
Hotel	12,996	13,770	13,513
Retail, entertainment and other	34,846	37,454	42,290
Advertising, general and administrative	201,992	206,099	205,650
Corporate	16,704	18,260	17,227
Depreciation and amortization	90,032	97,289	103,279
Severance	244	9,865	0
Pre-opening	0	2,782	282
Impairment of Project Horizon	0	58,079	0
Relinquishment liability reassessment	(8,805)	(26,512)	(45,678)
Total operating costs and expenses	1,179,975	1,282,705	1,212,371
Income from operations	238,404	139,257	242,746
Other income (expense):
Accretion of discount to the relinquishment liability	(11,366)	(15,426)	(20,425)
Interest income	2,732	2,755	3,912
Interest expense, net of capitalized interest	(117,710)	(116,784)	(109,689)
Gain (loss) on early extinguishment of debt	0	(1,584)	8,466
Write-off of debt issuance costs	0	(338)	0
Other expense, net	(217)	(426)	(7,658)
Total other expense	(126,561)	(131,803)	(125,394)
Net income	111,843	7,454	117,352
Loss attributable to non-controlling interests	2,134	2,258	1,992
Net income attributable to Mohegan Tribal Gaming Authority	$ 113,977	$ 9,712	$ 119,344