SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL STATEMENT INFORMATION - STATEMENTS OF CASH FLOWS (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Jun. 30, 2013		Jun. 30, 2012
Condensed Financial Statements, Captions [Line Items]
Net cash flows provided by (used in) operating activities	$ 85,609		$ 144,291
Cash flows provided by (used in) investing activities:
Purchases of property and equipment	(39,185)		(40,638)
Decrease in restricted cash, net	21,669		261
Investments in unconsolidated affiliates	(4,965)		0
Other cash flows provided by (used in) investing activities	(1,381)		1,938
Net cash flows used in investing activities	(23,862)		(38,700)
Cash flows provided by (used in) financing activities:
Bank Credit Facility borrowings - revolving loan	3,000		154,000
Bank Credit Facility repayments - revolving loan	(3,000)		(289,000)
Bank Credit Facility repayments - term loan	(3,000)		(2,000)
Term Loan Facility borrowings, net of discount	0		220,500
Repayments to Mohegan Tribe	(7,462)		0
Line of Credit borrowings	0		225,215
Line of Credit repayments	0		(225,215)
Borrowings from Mohegan Tribe	0		20,600
Repayments of other long-term debt	(15,798)		(66,454)
Salishan-Mohegan Bank Credit Facility repayments - revolving loan	0		(15,250)
Principal portion of relinquishment liability payments	(27,951)		(28,756)
Distributions to Mohegan Tribe	(35,000)		(40,450)
Payments of financing fees	(3,491)		(50,178)
Other cash flows provided by (used in) financing activities	(2,838)		(247)
Net cash flows used in financing activities	(95,540)		(97,235)
Net increase (decrease) in cash and cash equivalents	(33,793)		8,356
Cash and cash equivalents at beginning of period	114,084		112,174
Cash and cash equivalents at end of period	80,291		120,530
Authority
Condensed Financial Statements, Captions [Line Items]
Net cash flows provided by (used in) operating activities	56,345		103,561
Cash flows provided by (used in) investing activities:
Purchases of property and equipment	(19,298)		(34,536)
Decrease in restricted cash, net	0
Investments in unconsolidated affiliates	0
Other cash flows provided by (used in) investing activities	53,662		34,702
Net cash flows used in investing activities	34,364		166
Cash flows provided by (used in) financing activities:
Bank Credit Facility borrowings - revolving loan	3,000		154,000
Bank Credit Facility repayments - revolving loan	(3,000)		(289,000)
Bank Credit Facility repayments - term loan	(3,000)		(2,000)
Term Loan Facility borrowings, net of discount			220,500
Repayments to Mohegan Tribe	0
Line of Credit borrowings			225,215
Line of Credit repayments			(225,215)
Borrowings from Mohegan Tribe			0
Repayments of other long-term debt	(15,775)		(66,454)
Salishan-Mohegan Bank Credit Facility repayments - revolving loan			0
Principal portion of relinquishment liability payments	(27,951)		(28,756)
Distributions to Mohegan Tribe	(35,000)		(40,450)
Payments of financing fees	(3,291)		(50,178)
Other cash flows provided by (used in) financing activities	(39,371)		5,495
Net cash flows used in financing activities	(124,388)		(96,843)
Net increase (decrease) in cash and cash equivalents	(33,679)		6,884
Cash and cash equivalents at beginning of period	91,836		89,018
Cash and cash equivalents at end of period	58,157		95,902
Total Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net cash flows provided by (used in) operating activities	38,754	[1]	43,100	[1]
Cash flows provided by (used in) investing activities:
Purchases of property and equipment	(3,570)	[1]	(6,102)	[1]
Decrease in restricted cash, net	2,727	[1]
Investments in unconsolidated affiliates	0	[1]
Other cash flows provided by (used in) investing activities	(15,257)	[1]	5,182	[1]
Net cash flows used in investing activities	(16,100)	[1]	(920)	[1]
Cash flows provided by (used in) financing activities:
Bank Credit Facility borrowings - revolving loan	0	[1]	0	[1]
Bank Credit Facility repayments - revolving loan	0	[1]	0	[1]
Bank Credit Facility repayments - term loan	0	[1]	0	[1]
Term Loan Facility borrowings, net of discount			0	[1]
Repayments to Mohegan Tribe	0	[1]
Line of Credit borrowings			0	[1]
Line of Credit repayments			0	[1]
Borrowings from Mohegan Tribe			0	[1]
Repayments of other long-term debt	0	[1]	0	[1]
Salishan-Mohegan Bank Credit Facility repayments - revolving loan			0	[1]
Principal portion of relinquishment liability payments	0	[1]	0	[1]
Distributions to Mohegan Tribe	0	[1]	0	[1]
Payments of financing fees	0	[1]	0	[1]
Other cash flows provided by (used in) financing activities	(22,866)	[1]	(40,754)	[1]
Net cash flows used in financing activities	(22,866)	[1]	(40,754)	[1]
Net increase (decrease) in cash and cash equivalents	(212)	[1]	1,426	[1]
Cash and cash equivalents at beginning of period	21,757	[1]	22,931	[1]
Cash and cash equivalents at end of period	21,545	[1]	24,357	[1]
Total Non-Guarantor Subsidiaries and Entities
Condensed Financial Statements, Captions [Line Items]
Net cash flows provided by (used in) operating activities	(9,490)	[2]	(2,370)	[3]
Cash flows provided by (used in) investing activities:
Purchases of property and equipment	(16,317)	[2]	0	[3]
Decrease in restricted cash, net	18,942	[2]
Investments in unconsolidated affiliates	(4,965)	[2]
Other cash flows provided by (used in) investing activities	(1,655)	[2]	(562)	[3]
Net cash flows used in investing activities	(3,995)	[2]	(562)	[3]
Cash flows provided by (used in) financing activities:
Bank Credit Facility borrowings - revolving loan	0	[2]	0	[3]
Bank Credit Facility repayments - revolving loan	0	[2]	0	[3]
Bank Credit Facility repayments - term loan	0	[2]	0	[3]
Term Loan Facility borrowings, net of discount			0	[3]
Repayments to Mohegan Tribe	(7,462)	[2]
Line of Credit borrowings			0	[3]
Line of Credit repayments			0	[3]
Borrowings from Mohegan Tribe			20,600	[3]
Repayments of other long-term debt	(23)	[2]	0	[3]
Salishan-Mohegan Bank Credit Facility repayments - revolving loan			(15,250)	[3]
Principal portion of relinquishment liability payments	0	[2]	0	[3]
Distributions to Mohegan Tribe	0	[2]	0	[3]
Payments of financing fees	(200)	[2]	0	[3]
Other cash flows provided by (used in) financing activities	21,268	[2]	(2,372)	[3]
Net cash flows used in financing activities	13,583	[2]	2,978	[3]
Net increase (decrease) in cash and cash equivalents	98	[2]	46	[3]
Cash and cash equivalents at beginning of period	491	[2]	225	[3]
Cash and cash equivalents at end of period	589	[2]	271	[3]
Consolidating/Eliminating Adjustments
Condensed Financial Statements, Captions [Line Items]
Net cash flows provided by (used in) operating activities	0		0
Cash flows provided by (used in) investing activities:
Purchases of property and equipment	0		0
Decrease in restricted cash, net	0
Investments in unconsolidated affiliates	0
Other cash flows provided by (used in) investing activities	(38,131)		(37,384)
Net cash flows used in investing activities	(38,131)		(37,384)
Cash flows provided by (used in) financing activities:
Bank Credit Facility borrowings - revolving loan	0		0
Bank Credit Facility repayments - revolving loan	0		0
Bank Credit Facility repayments - term loan	0		0
Term Loan Facility borrowings, net of discount			0
Repayments to Mohegan Tribe	0
Line of Credit borrowings			0
Line of Credit repayments			0
Borrowings from Mohegan Tribe			0
Repayments of other long-term debt	0		0
Salishan-Mohegan Bank Credit Facility repayments - revolving loan			0
Principal portion of relinquishment liability payments	0		0
Distributions to Mohegan Tribe	0		0
Payments of financing fees	0		0
Other cash flows provided by (used in) financing activities	38,131		37,384
Net cash flows used in financing activities	38,131		37,384
Net increase (decrease) in cash and cash equivalents	0		0
Cash and cash equivalents at beginning of period	0		0
Cash and cash equivalents at end of period	$ 0		$ 0

[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.