SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL STATEMENT INFORMATION - STATEMENTS OF INCOME (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Condensed Financial Statements, Captions [Line Items]
Net revenues	$ 344,245		$ 344,436		$ 994,695		$ 1,047,466
Operating costs and expenses:
Gaming and other operations	205,369		218,495		598,432		655,894
Advertising, general and administrative	53,971		53,381		162,895		159,839
Depreciation and amortization	20,350		21,693		60,465		64,077
Loss on disposition of assets	144		31		277		320
Severance	51		0		29		0
Pre-opening	173		0		245		0
Total operating costs and expenses	280,058		293,600		822,343		880,130
Income from operations	64,187		50,836		172,352		167,336
Accretion of discount to the relinquishment liability	(1,243)		(2,062)		(3,730)		(6,186)
Interest expense, net of capitalized interest	(42,379)		(41,581)		(128,213)		(103,047)
Loss on early exchange of debt	0		(17)		(403)		(14,323)
Loss on interests in subsidiaries	0		0		0		0
Other income (expense), net	1,586		1,849		2,689		3,528
Net income	22,151		9,025		42,695		47,308
Loss attributable to non-controlling interests	146		336		2,767		1,147
Net income attributable to Mohegan Tribal Gaming Authority	22,297		9,361		45,462		48,455
Authority
Condensed Financial Statements, Captions [Line Items]
Net revenues	264,735		263,090		770,316		809,936
Operating costs and expenses:
Gaming and other operations	150,691		160,866		439,040		485,354
Advertising, general and administrative	42,646		43,189		129,361		132,123
Depreciation and amortization	16,958		17,384		50,444		51,335
Loss on disposition of assets	126		18		259		36
Severance	0				(146)
Pre-opening	0				0
Total operating costs and expenses	210,421		221,457		618,958		668,848
Income from operations	54,314		41,633		151,358		141,088
Accretion of discount to the relinquishment liability	(1,243)		(2,062)		(3,730)		(6,186)
Interest expense, net of capitalized interest	(29,338)		(20,775)		(88,942)		(51,767)
Loss on early exchange of debt			(17)		(403)		(14,323)
Loss on interests in subsidiaries	(1,462)		(9,451)		(12,949)		(20,640)
Other income (expense), net	26		33		128		283
Net income	22,297		9,361		45,462		48,455
Loss attributable to non-controlling interests	0		0		0		0
Net income attributable to Mohegan Tribal Gaming Authority	22,297		9,361		45,462		48,455
Total Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net revenues	79,871	[1]	82,271	[1]	224,324	[1]	238,457	[1]
Operating costs and expenses:
Gaming and other operations	55,361	[1]	58,554	[1]	160,320	[1]	171,467	[1]
Advertising, general and administrative	8,853	[1]	8,823	[1]	24,091	[1]	24,761	[1]
Depreciation and amortization	3,392	[1]	4,309	[1]	10,021	[1]	12,742	[1]
Loss on disposition of assets	18		13	[1]	18	[1]	284	[1]
Severance	51	[1]			175	[1]
Pre-opening	173	[1]			245	[1]
Total operating costs and expenses	67,848	[1]	71,699	[1]	194,870	[1]	209,254	[1]
Income from operations	12,023	[1]	10,572	[1]	29,454	[1]	29,203	[1]
Accretion of discount to the relinquishment liability	0	[1]	0	[1]	0	[1]	0	[1]
Interest expense, net of capitalized interest	(11,092)	[1]	(19,974)	[1]	(32,999)	[1]	(49,379)	[1]
Loss on early exchange of debt			0	[1]	0	[1]	0	[1]
Loss on interests in subsidiaries	(1,747)	[1]	(226)	[1]	(4,469)	[1]	(1,103)	[1]
Other income (expense), net	683	[1]	177	[1]	1,536	[1]	639	[1]
Net income	(133)	[1]	(9,451)	[1]	(6,478)	[1]	(20,640)	[1]
Loss attributable to non-controlling interests	0	[1]	0	[1]	0	[1]	0	[1]
Net income attributable to Mohegan Tribal Gaming Authority	(133)	[1]	(9,451)	[1]	(6,478)	[1]	(20,640)	[1]
Total Non-Guarantor Subsidiaries and Entities
Condensed Financial Statements, Captions [Line Items]
Net revenues	382	[2]	0	[3]	1,163	[2]	0	[3]
Operating costs and expenses:
Gaming and other operations	0	[2]	0	[3]	0	[2]	0	[3]
Advertising, general and administrative	2,532	[2]	1,369	[3]	9,623	[2]	2,955	[3]
Depreciation and amortization	0	[2]	0	[3]	0	[2]	0	[3]
Loss on disposition of assets	0		0	[3]	0	[2]	0	[3]
Severance	0	[2]			0	[2]
Pre-opening	0	[2]			0	[2]
Total operating costs and expenses	2,532	[2]	1,369	[3]	9,623	[2]	2,955	[3]
Income from operations	(2,150)	[2]	(1,369)	[3]	(8,460)	[2]	(2,955)	[3]
Accretion of discount to the relinquishment liability	0	[2]	0	[3]	0	[2]	0	[3]
Interest expense, net of capitalized interest	(2,579)	[2]	(977)	[3]	(7,745)	[2]	(2,480)	[3]
Loss on early exchange of debt			0	[3]	0	[2]	0	[3]
Loss on interests in subsidiaries	0	[2]	0	[3]	0	[2]	0	[3]
Other income (expense), net	1,507	[2]	1,784	[3]	2,498	[2]	3,185	[3]
Net income	(3,222)	[2]	(562)	[3]	(13,707)	[2]	(2,250)	[3]
Loss attributable to non-controlling interests	0	[2]	0	[3]	0	[2]	0	[3]
Net income attributable to Mohegan Tribal Gaming Authority	(3,222)	[2]	(562)	[3]	(13,707)	[2]	(2,250)	[3]
Consolidating/Eliminating Adjustments
Condensed Financial Statements, Captions [Line Items]
Net revenues	(743)		(925)		(1,108)		(927)
Operating costs and expenses:
Gaming and other operations	(683)		(925)		(928)		(927)
Advertising, general and administrative	(60)		0		(180)		0
Depreciation and amortization	0		0		0		0
Loss on disposition of assets	0		0		0		0
Severance	0				0
Pre-opening	0				0
Total operating costs and expenses	(743)		(925)		(1,108)		(927)
Income from operations	0		0		0		0
Accretion of discount to the relinquishment liability	0		0		0		0
Interest expense, net of capitalized interest	630		145		1,473		579
Loss on early exchange of debt			0		0		0
Loss on interests in subsidiaries	3,209		9,677		17,418		21,743
Other income (expense), net	(630)		(145)		(1,473)		(579)
Net income	3,209		9,677		17,418		21,743
Loss attributable to non-controlling interests	146		336		2,767		1,147
Net income attributable to Mohegan Tribal Gaming Authority	$ 3,355		$ 10,013		$ 20,185		$ 22,890

[1] Includes the Pocono Downs Subsidiaries, MBC, Mohegan Golf, Mohegan Ventures-NW, MVW, WTG and MTGA Gaming.

[2] Includes MGA and subsidiaries, Downs Lodging, Salishan-Mohegan, MG&H and Mohegan Resorts and subsidiaries.

[3] Includes Salishan-Mohegan, MG&H and Mohegan Resorts and subsidiaries.