SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL STATEMENT INFORMATION - BALANCE SHEETS (Details) (USD $)	Mar. 31, 2015		Dec. 31, 2014	Sep. 30, 2014		Mar. 31, 2014		Dec. 31, 2013	Sep. 30, 2013
Current assets:
Cash and cash equivalents	$ 64,549,000			$ 49,108,000		$ 59,881,000			$ 63,624,000
Restricted cash	1,723,000			675,000
Receivables, net	27,940,000			30,640,000
Inventories	15,175,000			14,544,000
Other current assets	18,579,000			16,997,000
Total current assets	127,966,000			111,964,000
Non-current assets:
Property and equipment, net	1,362,734,000			1,424,068,000
Goodwill	39,459,000			39,459,000
Other intangible assets, net	406,994,000			405,109,000
Other assets, net	94,413,000			75,360,000
Inter-company receivables	0			0
Investment in subsidiaries	0			0
Total assets	2,031,566,000			2,055,960,000
Current liabilities:
Current portion of long-term debt	18,797,000			29,308,000
Current portion of relinquishment liability	0			25,194,000
Due to Mohegan Tribe	5,250,000			2,250,000
Current portion of capital leases	808,000			793,000
Trade payables	15,496,000			24,086,000
Construction payables	894,000			5,832,000
Accrued interest payable	9,876,000			8,659,000
Other current liabilities	134,834,000			127,175,000
Total current liabilities	185,955,000			223,297,000
Non-current liabilities:
Long-term debt, net of current portion	1,681,502,000			1,675,958,000
Due to Mohegan Tribe, net of current portion	20,420,000			23,420,000
Capital leases, net of current portion	1,937,000			2,345,000
Other long-term liabilities	6,891,000			6,113,000
Inter-company payables	0			0
Accumulated losses in excess of investment in subsidiaries	0			0
Total liabilities	1,896,705,000			1,931,133,000
Capital:
Retained earnings	134,856,000			125,058,000
Mohegan Tribal Gaming Authority capital	134,856,000			125,058,000
Non-controlling interests	5,000			(231,000)
Total capital	134,861,000		130,299,000	124,827,000		121,466,000		121,995,000	199,385,000
Total liabilities and capital	2,031,566,000			2,055,960,000
Authority
Current assets:
Cash and cash equivalents	46,244,000			33,939,000		39,693,000			44,060,000
Restricted cash	60,000			47,000
Receivables, net	24,105,000			27,537,000
Inventories	13,866,000			13,339,000
Other current assets	17,110,000			15,559,000
Total current assets	101,385,000			90,421,000
Non-current assets:
Property and equipment, net	1,107,165,000			1,142,363,000
Goodwill	0			0
Other intangible assets, net	120,337,000			120,395,000
Other assets, net	25,799,000			28,625,000
Inter-company receivables	246,754,000			228,122,000
Investment in subsidiaries	316,320,000			325,651,000
Total assets	1,917,760,000			1,935,577,000
Current liabilities:
Current portion of long-term debt	18,178,000			28,893,000
Current portion of relinquishment liability				25,194,000
Due to Mohegan Tribe	0			0
Current portion of capital leases	808,000			793,000
Trade payables	13,675,000			18,893,000
Construction payables	764,000			4,411,000
Accrued interest payable	5,659,000			5,725,000
Other current liabilities	103,169,000			90,684,000
Total current liabilities	142,253,000			174,593,000
Non-current liabilities:
Long-term debt, net of current portion	1,636,177,000			1,630,958,000
Due to Mohegan Tribe, net of current portion	0			0
Capital leases, net of current portion	1,937,000			2,345,000
Other long-term liabilities	2,221,000			2,307,000
Inter-company payables	0			0
Accumulated losses in excess of investment in subsidiaries	0			0
Total liabilities	1,782,588,000			1,810,203,000
Capital:
Retained earnings	135,172,000			125,374,000
Mohegan Tribal Gaming Authority capital	135,172,000			125,374,000
Non-controlling interests	0			0
Total capital	135,172,000			125,374,000
Total liabilities and capital	1,917,760,000			1,935,577,000
Total Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	16,758,000	[1]		14,767,000	[1]	19,206,000	[1]		18,655,000	[1]
Restricted cash	1,663,000	[1]		628,000	[1]
Receivables, net	3,118,000	[1]		2,637,000	[1]
Inventories	1,309,000	[1]		1,205,000	[1]
Other current assets	1,385,000	[1]		1,182,000	[1]
Total current assets	24,233,000	[1]		20,419,000	[1]
Non-current assets:
Property and equipment, net	216,394,000	[1]		222,425,000	[1]
Goodwill	39,459,000	[1]		39,459,000	[1]
Other intangible assets, net	284,567,000	[1]		284,714,000	[1]
Other assets, net	3,981,000	[1]		3,970,000	[1]
Inter-company receivables	79,439,000	[1]		65,981,000	[1]
Investment in subsidiaries	0	[1]		0	[1]
Total assets	648,073,000	[1]		636,968,000	[1]
Current liabilities:
Current portion of long-term debt	0	[1]		0	[1]
Current portion of relinquishment liability				0	[1]
Due to Mohegan Tribe	0	[1]		0	[1]
Current portion of capital leases	47,000	[1]		58,000	[1]
Trade payables	1,796,000	[1]		5,181,000	[1]
Construction payables	7,000	[1]		794,000	[1]
Accrued interest payable	0	[1]		0	[1]
Other current liabilities	30,286,000	[1]		29,504,000	[1]
Total current liabilities	32,136,000	[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	5,816,000	[1]		6,111,000	[1]
Other long-term liabilities	0	[1]		0	[1]
Inter-company payables	241,124,000	[1]		225,269,000	[1]
Accumulated losses in excess of investment in subsidiaries	36,621,000	[1]		31,680,000	[1]
Total liabilities	315,697,000	[1]		298,597,000	[1]
Capital:
Retained earnings	332,376,000	[1]		338,371,000	[1]
Mohegan Tribal Gaming Authority capital	332,376,000	[1]		338,371,000	[1]
Non-controlling interests	0	[1]		0	[1]
Total capital	332,376,000	[1]		338,371,000	[1]
Total liabilities and capital	648,073,000	[1]		636,968,000	[1]
Total Non-Guarantor Subsidiaries and Entities
Current assets:
Cash and cash equivalents	1,547,000	[2]		402,000	[2],[3]	982,000	[3]		909,000	[3]
Restricted cash	0	[2]		0	[3]
Receivables, net	1,945,000	[2]		1,287,000	[3]
Inventories	0	[2]		0	[3]
Other current assets	84,000	[2]		256,000	[3]
Total current assets	3,576,000	[2]		1,945,000	[3]
Non-current assets:
Property and equipment, net	39,175,000	[2]		59,280,000	[3]
Goodwill	0	[2]		0	[3]
Other intangible assets, net	2,090,000	[2]		0	[3]
Other assets, net	70,645,000	[2]		49,077,000	[3]
Inter-company receivables	0	[2]		0	[3]
Investment in subsidiaries	0	[2]		0	[3]
Total assets	115,486,000	[2]		110,302,000	[3]
Current liabilities:
Current portion of long-term debt	619,000	[2]		415,000	[3]
Current portion of relinquishment liability				0	[3]
Due to Mohegan Tribe	5,250,000	[2]		2,250,000	[3]
Current portion of capital leases	0	[2]		0	[3]
Trade payables	25,000	[2]		12,000	[3]
Construction payables	123,000	[2]		627,000	[3]
Accrued interest payable	4,217,000	[2]		2,934,000	[3]
Other current liabilities	2,560,000	[2]		7,750,000	[3]
Total current liabilities	12,794,000	[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	20,420,000	[2]		23,420,000	[3]
Capital leases, net of current portion	0	[2]		0	[3]
Other long-term liabilities	4,670,000	[2]		3,806,000	[3]
Inter-company payables	85,069,000	[2]		68,834,000	[3]
Accumulated losses in excess of investment in subsidiaries	0	[2]		0	[3]
Total liabilities	168,278,000	[2]		155,048,000	[3]
Capital:
Retained earnings	(53,407,000)	[2]		(44,746,000)	[3]
Mohegan Tribal Gaming Authority capital	(53,407,000)	[2]		(44,746,000)	[3]
Non-controlling interests	615,000	[2]		0	[3]
Total capital	(52,792,000)	[2]		(44,746,000)	[3]
Total liabilities and capital	115,486,000	[2]		110,302,000	[3]
Consolidating/Eliminating Adjustments
Current assets:
Cash and cash equivalents	0			0		0			0
Restricted cash	0			0
Receivables, net	(1,228,000)			(821,000)
Inventories	0			0
Other current assets	0			0
Total current assets	(1,228,000)			(821,000)
Non-current assets:
Property and equipment, net	0			0
Goodwill	0			0
Other intangible assets, net	0			0
Other assets, net	(6,012,000)			(6,312,000)
Inter-company receivables	(326,193,000)			(294,103,000)
Investment in subsidiaries	(316,320,000)			(325,651,000)
Total assets	(649,753,000)			(626,887,000)
Current liabilities:
Current portion of long-term debt	0			0
Current portion of relinquishment liability				0
Due to Mohegan Tribe	0			0
Current portion of capital leases	(47,000)			(58,000)
Trade payables	0			0
Construction payables	0			0
Accrued interest payable	0			0
Other current liabilities	(1,181,000)			(763,000)
Total current liabilities	(1,228,000)			(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	(5,816,000)			(6,111,000)
Other long-term liabilities	0			0
Inter-company payables	(326,193,000)			(294,103,000)
Accumulated losses in excess of investment in subsidiaries	(36,621,000)			(31,680,000)
Total liabilities	(369,858,000)			(332,715,000)
Capital:
Retained earnings	(279,285,000)			(293,941,000)
Mohegan Tribal Gaming Authority capital	(279,285,000)			(293,941,000)
Non-controlling interests	(610,000)			(231,000)
Total capital	(279,895,000)			(294,172,000)
Total liabilities and capital	$ (649,753,000)			$ (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.