SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL STATEMENT INFORMATION - STATEMENTS OF CASH FLOWS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Cash flows provided by (used in) operating activities:
Net income (loss)	$ (67,390)		$ 8,186
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization	19,118		20,164
Accretion of discount to the relinquishment liability	551		1,243
Cash paid for accretion of discount to the relinquishment liability	(621)		(1,031)
Loss on early extinguishment of debt	58,287		8
Payments of tender offer costs and discounts	(48,155)		0
Amortization of debt issuance costs and accretion of bond discounts	2,326		3,021
Provision for losses on receivables	802		1,147
(Gain) loss on disposition of assets	(1)		133
Loss from unconsolidated affiliates	696		934
Changes in operating assets and liabilities:
(Increase) decrease in receivables	3,376		(658)
(Increase) decrease in inventories	(1,192)		442
(Increase) decrease in other assets	(2,851)		6,508
Increase (decrease) in trade payables	4,739		(2,792)
Increase (decrease) in accrued interest	9,338		(22,331)
Increase (decrease) in other liabilities	8,273		(5,535)
Intercompany transactions and other	0
Net cash flows provided by (used in) operating activities	(12,704)		9,414
Cash flows provided by (used in) investing activities:
Purchases of property and equipment, net of increase (decrease) in construction payables	(15,168)		(10,372)
Issuance of third-party loans and advances	(382)		(661)
Payments received on third-party loans	532		34
Decrease in restricted cash, net	7,518		3,976
Proceeds from asset sales	5		118
Investments in unconsolidated affiliates	(29)		(4,927)
Intercompany transactions and other	0		(509)
Net cash flows used in investing activities	(7,524)		(11,832)
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	(69,441)		0
Credit Facility/Line of Credit borrowings	78,794		0
Repayments to Mohegan Tribe	(1,375)		(2,487)
Repayments of other long-term debt	(190,935)		0
Principal portion of relinquishment liability payments	(6,034)		(5,622)
Distributions to Mohegan Tribe	(10,000)		(10,000)
Payments of financing fees	(12,437)		(2,721)
Payments on capital lease obligations	(558)		(1,662)
Intercompany transactions and other	0		(1,662)
Net cash flows provided by (used in) financing activities	32,206		(23,492)
Net increase (decrease) in cash and cash equivalents	11,978		(25,910)
Cash and cash equivalents at beginning of period	63,624		114,084
Cash and cash equivalents at end of period	75,602		88,174
Credit Facility | Prior Bank Credit Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	(393,000)		(1,000)
Credit Facility | Prior Term Loan Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	(222,103)		0
Credit Facility | Bank Credit Facility - Revolving Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	(42,000)		0
Credit Facility/Line of Credit borrowings	56,000		0
Credit Facility | Bank Credit Facility - Term Loan A Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit borrowings	124,343		0
Credit Facility | Bank Credit Facility - Term Loan B Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit borrowings	720,952		0
Authority
Cash flows provided by (used in) operating activities:
Net income (loss)	(67,255)		9,100
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization	15,532		16,855
Accretion of discount to the relinquishment liability	551		1,243
Cash paid for accretion of discount to the relinquishment liability	(621)
Loss on early extinguishment of debt	58,287
Payments of tender offer costs and discounts	(48,155)
Amortization of debt issuance costs and accretion of bond discounts	2,246
Provision for losses on receivables	171
(Gain) loss on disposition of assets	(1)
Loss from unconsolidated affiliates	2
Changes in operating assets and liabilities:
(Increase) decrease in receivables	2,890
(Increase) decrease in inventories	(800)
(Increase) decrease in other assets	(1,158)
Increase (decrease) in trade payables	2,891
Increase (decrease) in accrued interest	10,447
Increase (decrease) in other liabilities	3,248
Intercompany transactions and other	(204)
Net cash flows provided by (used in) operating activities	(21,929)		(2,506)
Cash flows provided by (used in) investing activities:
Purchases of property and equipment, net of increase (decrease) in construction payables	(6,526)		(5,763)
Issuance of third-party loans and advances	0
Payments received on third-party loans	532
Decrease in restricted cash, net	(4)		0
Proceeds from asset sales	5
Investments in unconsolidated affiliates	0		0
Intercompany transactions and other	2,459		19,407
Net cash flows used in investing activities	(3,534)		13,644
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	(69,441)
Credit Facility/Line of Credit borrowings	78,794
Repayments to Mohegan Tribe	0		0
Repayments of other long-term debt	(190,927)
Principal portion of relinquishment liability payments	(6,034)		(5,622)
Distributions to Mohegan Tribe	(10,000)		(10,000)
Payments of financing fees	(12,437)		(2,525)
Payments on capital lease obligations	(558)
Intercompany transactions and other	0		(16,034)
Net cash flows provided by (used in) financing activities	33,589		(35,181)
Net increase (decrease) in cash and cash equivalents	8,126		(24,043)
Cash and cash equivalents at beginning of period	44,060		91,836
Cash and cash equivalents at end of period	52,186		67,793
Authority | Credit Facility | Prior Bank Credit Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	(393,000)		(1,000)
Authority | Credit Facility | Prior Term Loan Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	(222,103)
Authority | Credit Facility | Bank Credit Facility - Revolving Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	(42,000)
Credit Facility/Line of Credit borrowings	56,000
Authority | Credit Facility | Bank Credit Facility - Term Loan A Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit borrowings	124,343
Authority | Credit Facility | Bank Credit Facility - Term Loan B Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit borrowings	720,952
Total Guarantor Subsidiaries
Cash flows provided by (used in) operating activities:
Net income (loss)	(9,376)	[1]	(3,029)	[1]
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization	3,421	[1]	3,309	[1]
Accretion of discount to the relinquishment liability	0	[1]	0	[1]
Cash paid for accretion of discount to the relinquishment liability	0	[1]
Loss on early extinguishment of debt	0	[1]
Payments of tender offer costs and discounts	0	[1]
Amortization of debt issuance costs and accretion of bond discounts	0	[1]
Provision for losses on receivables	(3)	[1]
(Gain) loss on disposition of assets	0	[1]
Loss from unconsolidated affiliates	0	[1]
Changes in operating assets and liabilities:
(Increase) decrease in receivables	434	[1]
(Increase) decrease in inventories	(392)	[1]
(Increase) decrease in other assets	(207)	[1]
Increase (decrease) in trade payables	793	[1]
Increase (decrease) in accrued interest	0	[1]
Increase (decrease) in other liabilities	3,136	[1]
Intercompany transactions and other	15,614	[1]
Net cash flows provided by (used in) operating activities	13,420	[1]	14,880	[1]
Cash flows provided by (used in) investing activities:
Purchases of property and equipment, net of increase (decrease) in construction payables	(1,423)	[1]	(1,490)	[1]
Issuance of third-party loans and advances	0	[1]
Payments received on third-party loans	0	[1]
Decrease in restricted cash, net	(282)	[1]	(341)	[1]
Proceeds from asset sales	0	[1]
Investments in unconsolidated affiliates	0	[1]	0	[1]
Intercompany transactions and other	(6,885)	[1]	(4,425)	[1]
Net cash flows used in investing activities	(8,590)	[1]	(6,256)	[1]
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	0	[1]
Credit Facility/Line of Credit borrowings	0	[1]
Repayments to Mohegan Tribe	0	[1]	0	[1]
Repayments of other long-term debt	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]
Payments on capital lease obligations	(6)	[1]
Intercompany transactions and other	(2,148)	[1]	(10,405)	[1]
Net cash flows provided by (used in) financing activities	(2,154)	[1]	(10,405)	[1]
Net increase (decrease) in cash and cash equivalents	2,676	[1]	(1,781)	[1]
Cash and cash equivalents at beginning of period	18,655	[1]	21,757	[1]
Cash and cash equivalents at end of period	21,331	[1]	19,976	[1]
Total Guarantor Subsidiaries | Credit Facility | Prior Bank Credit Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	0	[1]	0	[1]
Total Guarantor Subsidiaries | Credit Facility | Prior Term Loan Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	0	[1]
Total Guarantor Subsidiaries | Credit Facility | Bank Credit Facility - Revolving Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	0	[1]
Credit Facility/Line of Credit borrowings	0	[1]
Total Guarantor Subsidiaries | Credit Facility | Bank Credit Facility - Term Loan A Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit borrowings	0	[1]
Total Guarantor Subsidiaries | Credit Facility | Bank Credit Facility - Term Loan B Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit borrowings	0	[1]
Total Non-Guarantor Subsidiaries and Entities
Cash flows provided by (used in) operating activities:
Net income (loss)	(7,184)	[2]	(4,514)	[2]
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization	165	[2]	0	[2]
Accretion of discount to the relinquishment liability	0	[2]	0	[2]
Cash paid for accretion of discount to the relinquishment liability	0	[2]
Loss on early extinguishment of debt	0	[2]
Payments of tender offer costs and discounts	0	[2]
Amortization of debt issuance costs and accretion of bond discounts	80	[2]
Provision for losses on receivables	634	[2]
(Gain) loss on disposition of assets	0	[2]
Loss from unconsolidated affiliates	694	[2]
Changes in operating assets and liabilities:
(Increase) decrease in receivables	(79)	[2]
(Increase) decrease in inventories	0	[2]
(Increase) decrease in other assets	(1,485)	[2]
Increase (decrease) in trade payables	1,055	[2]
Increase (decrease) in accrued interest	(1,109)	[2]
Increase (decrease) in other liabilities	2,026	[2]
Intercompany transactions and other	1,014	[2]
Net cash flows provided by (used in) operating activities	(4,189)	[2]	(2,960)	[2]
Cash flows provided by (used in) investing activities:
Purchases of property and equipment, net of increase (decrease) in construction payables	(7,219)	[2]	(3,119)	[2]
Issuance of third-party loans and advances	(382)	[2]
Payments received on third-party loans	0	[2]
Decrease in restricted cash, net	7,804	[2]	4,317	[2]
Proceeds from asset sales	0	[2]
Investments in unconsolidated affiliates	(29)	[2]	(4,927)	[2]
Intercompany transactions and other	0	[2]	(661)	[2]
Net cash flows used in investing activities	174	[2]	(4,390)	[2]
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	0	[2]
Credit Facility/Line of Credit borrowings	0	[2]
Repayments to Mohegan Tribe	(1,375)	[2]	(2,487)	[2]
Repayments of other long-term debt	(8)	[2]
Principal portion of relinquishment liability payments	0	[2]	0	[2]
Distributions to Mohegan Tribe	0	[2]	0	[2]
Payments of financing fees	0	[2]	(196)	[2]
Payments on capital lease obligations	0	[2]
Intercompany transactions and other	6,574	[2]	9,947	[2]
Net cash flows provided by (used in) financing activities	5,191	[2]	7,264	[2]
Net increase (decrease) in cash and cash equivalents	1,176	[2]	(86)	[2]
Cash and cash equivalents at beginning of period	909	[2]	491	[2]
Cash and cash equivalents at end of period	2,085	[2]	405	[2]
Total Non-Guarantor Subsidiaries and Entities | Credit Facility | Prior Bank Credit Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	0	[2]	0	[2]
Total Non-Guarantor Subsidiaries and Entities | Credit Facility | Prior Term Loan Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	0	[2]
Total Non-Guarantor Subsidiaries and Entities | Credit Facility | Bank Credit Facility - Revolving Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	0	[2]
Credit Facility/Line of Credit borrowings	0	[2]
Total Non-Guarantor Subsidiaries and Entities | Credit Facility | Bank Credit Facility - Term Loan A Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit borrowings	0	[2]
Total Non-Guarantor Subsidiaries and Entities | Credit Facility | Bank Credit Facility - Term Loan B Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit borrowings	0	[2]
Consolidating/Eliminating Adjustments
Cash flows provided by (used in) operating activities:
Net income (loss)	16,425		6,629
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization	0		0
Accretion of discount to the relinquishment liability	0		0
Cash paid for accretion of discount to the relinquishment liability	0
Loss on early extinguishment of debt	0
Payments of tender offer costs and discounts	0
Amortization of debt issuance costs and accretion of bond discounts	0
Provision for losses on receivables	0
(Gain) loss on disposition of assets	0
Loss from unconsolidated affiliates	0
Changes in operating assets and liabilities:
(Increase) decrease in receivables	131
(Increase) decrease in inventories	0
(Increase) decrease in other assets	(1)
Increase (decrease) in trade payables	0
Increase (decrease) in accrued interest	0
Increase (decrease) in other liabilities	(137)
Intercompany transactions and other	(16,424)
Net cash flows provided by (used in) operating activities	(6)		0
Cash flows provided by (used in) investing activities:
Purchases of property and equipment, net of increase (decrease) in construction payables	0		0
Issuance of third-party loans and advances	0
Payments received on third-party loans	0
Decrease in restricted cash, net	0		0
Proceeds from asset sales	0
Investments in unconsolidated affiliates	0		0
Intercompany transactions and other	4,426		(14,830)
Net cash flows used in investing activities	4,426		(14,830)
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	0
Credit Facility/Line of Credit borrowings	0
Repayments to Mohegan Tribe	0		0
Repayments of other long-term debt	0
Principal portion of relinquishment liability payments	0		0
Distributions to Mohegan Tribe	0		0
Payments of financing fees	0		0
Payments on capital lease obligations	6
Intercompany transactions and other	(4,426)		14,830
Net cash flows provided by (used in) financing activities	(4,420)		14,830
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
Consolidating/Eliminating Adjustments | Credit Facility | Prior Bank Credit Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	0		0
Consolidating/Eliminating Adjustments | Credit Facility | Prior Term Loan Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	0
Consolidating/Eliminating Adjustments | Credit Facility | Bank Credit Facility - Revolving Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit repayments	0
Credit Facility/Line of Credit borrowings	0
Consolidating/Eliminating Adjustments | Credit Facility | Bank Credit Facility - Term Loan A Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit borrowings	0
Consolidating/Eliminating Adjustments | Credit Facility | Bank Credit Facility - Term Loan B Facility
Cash flows provided by (used in) financing activities:
Credit Facility/Line of Credit borrowings	$ 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.