SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL STATEMENT INFORMATION - BALANCE SHEETS (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012		Sep. 30, 2011
Condensed Financial Statements, Captions [Line Items]
Property and equipment, net	$ 1,501,616		$ 1,529,595
Intercompany receivables	0		0
Investment in subsidiaries	0		0
Other intangible assets, net	406,030		406,338
Other assets, net	319,077		267,263
Total assets	2,226,723		2,203,196
Current liabilities	300,420		1,056,741
Due to Mohegan Tribe	31,450		10,850
Long-term debt and capital leases, net of current portions	1,608,647		823,951
Relinquishment liability, net of current portion	75,671		110,348
Intercompany payables	0		0
Other long-term liabilities	2,704		2,582
Total liabilities	2,018,892		2,004,472
Mohegan Tribal Gaming Authority capital	206,376		196,403
Non-controlling interests	1,455		2,321
Total liabilities and capital	2,226,723		2,203,196
Authority [Member]
Condensed Financial Statements, Captions [Line Items]
Property and equipment, net	1,244,915		1,263,876
Intercompany receivables	518,639		509,799
Investment in subsidiaries	56,512		77,028
Other intangible assets, net	120,650		120,737
Other assets, net	215,053		168,178
Total assets	2,155,769		2,139,618
Current liabilities	262,055		1,006,018
Due to Mohegan Tribe	0		0
Long-term debt and capital leases, net of current portions	1,608,647		823,951
Relinquishment liability, net of current portion	75,671		110,348
Intercompany payables	0		0
Other long-term liabilities	2,704		2,582
Total liabilities	1,949,077		1,942,899
Mohegan Tribal Gaming Authority capital	206,692		196,719
Non-controlling interests	0		0
Total liabilities and capital	2,155,769		2,139,618
Total Guarantor Subsidiaries [Member]
Condensed Financial Statements, Captions [Line Items]
Property and equipment, net	236,750	[1]	245,768	[1]
Intercompany receivables	10,541	[1]	12,909	[1]
Investment in subsidiaries	1,400	[1]	2,233	[1]
Other intangible assets, net	285,380	[1]	285,601	[1]
Other assets, net	74,869	[1]	71,951	[1]
Total assets	608,940	[1]	618,462	[1]
Current liabilities	34,103	[1]	31,950	[1]
Due to Mohegan Tribe	0	[1]	0	[1]
Long-term debt and capital leases, net of current portions	0	[1]	0	[1]
Relinquishment liability, net of current portion	0	[1]	0	[1]
Intercompany payables	518,639	[1]	509,799	[1]
Other long-term liabilities	0	[1]	0	[1]
Total liabilities	552,742	[1]	541,749	[1]
Mohegan Tribal Gaming Authority capital	56,198	[1]	76,713	[1]
Non-controlling interests	0	[1]	0	[1]
Total liabilities and capital	608,940	[1]	618,462	[1]
Total Non Guarantor Entities [Member]
Condensed Financial Statements, Captions [Line Items]
Property and equipment, net	19,951	[2]	19,951	[2]
Intercompany receivables	0	[2]	0	[2]
Investment in subsidiaries	0	[2]	0	[2]
Other intangible assets, net	0	[2]	0	[2]
Other assets, net	29,155	[2]	27,134	[2]
Total assets	49,106	[2]	47,085	[2]
Current liabilities	4,262	[2]	18,773	[2]
Due to Mohegan Tribe	31,450	[2]	10,850	[2]
Long-term debt and capital leases, net of current portions	0	[2]	0	[2]
Relinquishment liability, net of current portion	0	[2]	0	[2]
Intercompany payables	10,541	[2]	12,909	[2]
Other long-term liabilities	0	[2]	0	[2]
Total liabilities	46,253	[2]	42,532	[2]
Mohegan Tribal Gaming Authority capital	2,853	[2]	4,553	[2]
Non-controlling interests	0	[2]	0	[2]
Total liabilities and capital	49,106	[2]	47,085	[2]
Consolidating/Eliminating Adjustments [Member]
Condensed Financial Statements, Captions [Line Items]
Property and equipment, net	0		0
Intercompany receivables	(529,180)		(522,708)
Investment in subsidiaries	(57,912)		(79,261)
Other intangible assets, net	0		0
Other assets, net	0		0
Total assets	(587,092)		(601,969)
Current liabilities	0		0
Due to Mohegan Tribe	0		0
Long-term debt and capital leases, net of current portions	0		0
Relinquishment liability, net of current portion	0		0
Intercompany payables	(529,180)		(522,708)
Other long-term liabilities	0		0
Total liabilities	(529,180)		(522,708)
Mohegan Tribal Gaming Authority capital	(59,367)		(81,582)
Non-controlling interests	1,455		2,321
Total liabilities and capital	$ (587,092)		$ (601,969)

[1] Includes the Pennsylvania Entities, MBC, Mohegan Golf, MCV-PA, Mohegan Ventures-NW, MVW, WTG and MTGA Gaming.

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