SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL STATEMENT INFORMATION - Balance Sheets (Details) (USD $)	Dec. 31, 2014		Sep. 30, 2014		Dec. 31, 2013		Sep. 30, 2013
Current assets:
Cash and cash equivalents	$ 74,187,000		$ 49,108,000		$ 75,602,000		$ 63,624,000
Restricted cash	360,000		675,000
Receivables, net	31,714,000		30,640,000
Inventories	15,811,000		14,544,000
Other current assets	19,754,000		16,997,000
Total current assets	141,826,000		111,964,000
Non-current assets:
Property and equipment, net	1,404,358,000		1,424,068,000
Goodwill	39,459,000		39,459,000
Other intangible assets, net	407,156,000		405,109,000
Other assets, net	74,949,000		75,360,000
Inter-company receivables	0		0
Investment in subsidiaries	0		0
Total assets	2,067,748,000		2,055,960,000
Current liabilities:
Current portion of long-term debt	33,219,000		29,308,000
Current portion of relinquishment liability	18,865,000		25,194,000
Due to Mohegan Tribe	3,750,000		2,250,000
Current portion of capital leases	801,000		793,000
Trade payables	13,169,000		24,086,000
Construction payables	1,056,000		5,832,000
Accrued interest payable	29,385,000		8,659,000
Other current liabilities	129,925,000		127,175,000
Total current liabilities	230,170,000		223,297,000
Non-current liabilities:
Long-term debt, net of current portion	1,676,784,000		1,675,958,000
Due to Mohegan Tribe, net of current portion	21,920,000		23,420,000
Capital leases, net of current portion	2,142,000		2,345,000
Other long-term liabilities	6,433,000		6,113,000
Inter-company payables	0		0
Accumulated losses in excess of investment in subsidiaries	0		0
Total liabilities	1,937,449,000		1,931,133,000
Capital:
Retained earnings	129,824,000		125,058,000
Mohegan Tribal Gaming Authority capital	129,824,000		125,058,000
Non-controlling interests	475,000		(231,000)
Total capital	130,299,000		124,827,000		121,995,000		199,385,000
Total liabilities and capital	2,067,748,000		2,055,960,000
Authority
Current assets:
Cash and cash equivalents	53,763,000		33,939,000		52,186,000		44,060,000
Restricted cash	58,000		47,000
Receivables, net	28,911,000		27,537,000
Inventories	14,434,000		13,339,000
Other current assets	18,544,000		15,559,000
Total current assets	115,710,000		90,421,000
Non-current assets:
Property and equipment, net	1,125,715,000		1,142,363,000
Goodwill	0		0
Other intangible assets, net	120,366,000		120,395,000
Other assets, net	27,259,000		28,625,000
Inter-company receivables	242,729,000		228,122,000
Investment in subsidiaries	319,917,000		325,651,000
Total assets	1,951,696,000		1,935,577,000
Current liabilities:
Current portion of long-term debt	32,594,000		28,893,000
Current portion of relinquishment liability	18,865,000		25,194,000
Due to Mohegan Tribe	0		0
Current portion of capital leases	801,000		793,000
Trade payables	11,871,000		18,893,000
Construction payables	582,000		4,411,000
Accrued interest payable	25,618,000		5,725,000
Other current liabilities	95,429,000		90,684,000
Total current liabilities	185,760,000		174,593,000
Non-current liabilities:
Long-term debt, net of current portion	1,631,459,000		1,630,958,000
Due to Mohegan Tribe, net of current portion	0		0
Capital leases, net of current portion	2,142,000		2,345,000
Other long-term liabilities	2,195,000		2,307,000
Inter-company payables	0		0
Accumulated losses in excess of investment in subsidiaries	0		0
Total liabilities	1,821,556,000		1,810,203,000
Capital:
Retained earnings	130,140,000		125,374,000
Mohegan Tribal Gaming Authority capital	130,140,000		125,374,000
Non-controlling interests	0		0
Total capital	130,140,000		125,374,000
Total liabilities and capital	1,951,696,000		1,935,577,000
Total Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	19,420,000	[1]	14,767,000	[1]	21,331,000	[1]	18,655,000	[1]
Restricted cash	302,000	[1]	628,000	[1]
Receivables, net	2,092,000	[1]	2,637,000	[1]
Inventories	1,377,000	[1]	1,205,000	[1]
Other current assets	1,197,000	[1]	1,182,000	[1]
Total current assets	24,388,000	[1]	20,419,000	[1]
Non-current assets:
Property and equipment, net	219,698,000	[1]	222,425,000	[1]
Goodwill	39,459,000	[1]	39,459,000	[1]
Other intangible assets, net	284,640,000	[1]	284,714,000	[1]
Other assets, net	3,979,000	[1]	3,970,000	[1]
Inter-company receivables	74,647,000	[1]	65,981,000	[1]
Investment in subsidiaries	0	[1]	0	[1]
Total assets	646,811,000	[1]	636,968,000	[1]
Current liabilities:
Current portion of long-term debt	0	[1]	0	[1]
Current portion of relinquishment liability	0	[1]	0	[1]
Due to Mohegan Tribe	0	[1]	0	[1]
Current portion of capital leases	64,000	[1]	58,000	[1]
Trade payables	1,155,000	[1]	5,181,000	[1]
Construction payables	75,000	[1]	794,000	[1]
Accrued interest payable	0	[1]	0	[1]
Other current liabilities	31,508,000	[1]	29,504,000	[1]
Total current liabilities	32,802,000	[1]	35,537,000	[1]
Non-current liabilities:
Long-term debt, net of current portion	0	[1]	0	[1]
Due to Mohegan Tribe, net of current portion	0	[1]	0	[1]
Capital leases, net of current portion	6,195,000	[1]	6,111,000	[1]
Other long-term liabilities	0	[1]	0	[1]
Inter-company payables	239,130,000	[1]	225,269,000	[1]
Accumulated losses in excess of investment in subsidiaries	34,843,000	[1]	31,680,000	[1]
Total liabilities	312,970,000	[1]	298,597,000	[1]
Capital:
Retained earnings	333,841,000	[1]	338,371,000	[1]
Mohegan Tribal Gaming Authority capital	333,841,000	[1]	338,371,000	[1]
Non-controlling interests	0	[1]	0	[1]
Total capital	333,841,000	[1]	338,371,000	[1]
Total liabilities and capital	646,811,000	[1]	636,968,000	[1]
Total Non-Guarantor Subsidiaries and Entities
Current assets:
Cash and cash equivalents	1,004,000	[2]	402,000	[2],[3]	2,085,000	[3]	909,000	[3]
Restricted cash	0	[2]	0	[3]
Receivables, net	1,747,000	[2]	1,287,000	[3]
Inventories	0	[2]	0	[3]
Other current assets	13,000	[2]	256,000	[3]
Total current assets	2,764,000	[2]	1,945,000	[3]
Non-current assets:
Property and equipment, net	58,945,000	[2]	59,280,000	[3]
Goodwill	0	[2]	0	[3]
Other intangible assets, net	2,150,000	[2]	0	[3]
Other assets, net	50,104,000	[2]	49,077,000	[3]
Inter-company receivables	0	[2]	0	[3]
Investment in subsidiaries	0	[2]	0	[3]
Total assets	113,963,000	[2]	110,302,000	[3]
Current liabilities:
Current portion of long-term debt	625,000	[2]	415,000	[3]
Current portion of relinquishment liability	0	[2]	0	[3]
Due to Mohegan Tribe	3,750,000	[2]	2,250,000	[3]
Current portion of capital leases	0	[2]	0	[3]
Trade payables	143,000	[2]	12,000	[3]
Construction payables	399,000	[2]	627,000	[3]
Accrued interest payable	3,767,000	[2]	2,934,000	[3]
Other current liabilities	3,960,000	[2]	7,750,000	[3]
Total current liabilities	12,644,000	[2]	13,988,000	[3]
Non-current liabilities:
Long-term debt, net of current portion	45,325,000	[2]	45,000,000	[3]
Due to Mohegan Tribe, net of current portion	21,920,000	[2]	23,420,000	[3]
Capital leases, net of current portion	0	[2]	0	[3]
Other long-term liabilities	4,238,000	[2]	3,806,000	[3]
Inter-company payables	78,246,000	[2]	68,834,000	[3]
Accumulated losses in excess of investment in subsidiaries	0	[2]	0	[3]
Total liabilities	162,373,000	[2]	155,048,000	[3]
Capital:
Retained earnings	(49,234,000)	[2]	(44,746,000)	[3]
Mohegan Tribal Gaming Authority capital	(49,234,000)	[2]	(44,746,000)	[3]
Non-controlling interests	824,000	[2]	0	[3]
Total capital	(48,410,000)	[2]	(44,746,000)	[3]
Total liabilities and capital	113,963,000	[2]	110,302,000	[3]
Consolidating/Eliminating Adjustments
Current assets:
Cash and cash equivalents	0		0		0		0
Restricted cash	0		0
Receivables, net	(1,036,000)		(821,000)
Inventories	0		0
Other current assets	0		0
Total current assets	(1,036,000)		(821,000)
Non-current assets:
Property and equipment, net	0		0
Goodwill	0		0
Other intangible assets, net	0		0
Other assets, net	(6,393,000)		(6,312,000)
Inter-company receivables	(317,376,000)		(294,103,000)
Investment in subsidiaries	(319,917,000)		(325,651,000)
Total assets	(644,722,000)		(626,887,000)
Current liabilities:
Current portion of long-term debt	0		0
Current portion of relinquishment liability	0		0
Due to Mohegan Tribe	0		0
Current portion of capital leases	(64,000)		(58,000)
Trade payables	0		0
Construction payables	0		0
Accrued interest payable	0		0
Other current liabilities	(972,000)		(763,000)
Total current liabilities	(1,036,000)		(821,000)
Non-current liabilities:
Long-term debt, net of current portion	0		0
Due to Mohegan Tribe, net of current portion	0		0
Capital leases, net of current portion	(6,195,000)		(6,111,000)
Other long-term liabilities	0		0
Inter-company payables	(317,376,000)		(294,103,000)
Accumulated losses in excess of investment in subsidiaries	(34,843,000)		(31,680,000)
Total liabilities	(359,450,000)		(332,715,000)
Capital:
Retained earnings	(284,923,000)		(293,941,000)
Mohegan Tribal Gaming Authority capital	(284,923,000)		(293,941,000)
Non-controlling interests	(349,000)		(231,000)
Total capital	(285,272,000)		(294,172,000)
Total liabilities and capital	$ (644,722,000)		$ (626,887,000)

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

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

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