CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash flows provided by (used in) operating activities:
Net income (loss)	$ (52,241)	$ 37,450
Adjustments to reconcile net income (loss) to net cash flows provided by operating activities:
Depreciation and amortization	18,212	19,128
Loss on modification and early extinguishment of debt, net	65,218	207
Amortization of debt issuance costs, premiums and discounts	1,843	2,244
Provision (recovery) for losses on receivables	653	(6,280)
(Gain) loss on disposition of assets	20	(28)
Loss from unconsolidated affiliates	731	393
Loss on foreign currency exchange rate	3	0
Changes in operating assets and liabilities:
Increase in receivables	(942)	(8,745)
Increase in inventories	(132)	(608)
Increase in prepaid and other assets	(4,062)	(17,929)
Decrease in trade payables	(2,196)	(49)
Increase in accrued interest	3,368	10,732
Increase (decrease) in other liabilities	(3,302)	5,509
Net cash flows provided by operating activities	27,173	42,024
Cash flows provided by (used in) investing activities:
Purchases of property and equipment, including decreases in construction payables of $5,055 and $10,296, respectively	(15,702)	(17,843)
Issuance of third-party loans and advances	(446)	(2,556)
Payments received on third-party loans and advances	43	13,441
(Increase) decrease in restricted cash, net	2,681	(777)
Proceeds from asset sales	29	82
Investments in unconsolidated affiliates	(325)	(500)
Investments in the New England Black Wolves	0	(250)
Net cash flows used in investing activities	(13,720)	(8,403)
Cash flows provided by (used in) financing activities:
Borrowings from Mohegan Tribe	0	22,500
Repayments to Mohegan Tribe	(12,920)	0
Repayments of other long-term debt	(785,259)	(129)
Payments on capital lease obligations	(1,521)	(203)
Distributions to Mohegan Tribe	(12,000)	(10,600)
Payments of tender offer and repurchase costs	(50,308)	0
Payments of financing fees	(22,092)	(4,621)
Non-controlling interest contributions	0	150
Net cash flows provided by financing activities	17,553	124,184
Net increase in cash and cash equivalents	31,006	157,805
Effect of exchange rate on cash and cash equivalents	(3)	(613)
Cash and cash equivalents at beginning of period	83,743	65,754
Cash and cash equivalents at end of period	114,746	222,946
Supplemental disclosures:
Cash paid during the period for interest	24,826	21,177
Non-cash payments received - Cowlitz Tribal Gaming Authority	0	6,000
Credit Facility | Prior Senior Secured Credit Facility - Revolving
Cash flows provided by (used in) financing activities:
Credit facility/line of credit borrowings	35,000	231,000
Credit facility/line of credit repayments	(48,000)	(194,000)
Credit Facility | Prior Senior Secured Credit Facility - Term Loan A
Cash flows provided by (used in) financing activities:
Credit facility/line of credit repayments	(99,986)	(2,344)
Credit Facility | Prior Senior Secured Credit Facility - Term Loan B
Cash flows provided by (used in) financing activities:
Credit facility/line of credit repayments	(778,175)	(2,053)
Credit Facility | Senior Secured Credit Facility - Revolving
Cash flows provided by (used in) financing activities:
Credit facility/line of credit borrowings	210,000	0
Credit facility/line of credit repayments	(111,000)	0
Credit Facility | Senior Secured Credit Facility - Term Loan A
Cash flows provided by (used in) financing activities:
Credit facility/line of credit borrowings	441,965	0
Credit Facility | Senior Secured Credit Facility - Term Loan B
Cash flows provided by (used in) financing activities:
Credit facility/line of credit borrowings	777,150	0
Credit Facility | Prior Line of Credit
Cash flows provided by (used in) financing activities:
Credit facility/line of credit borrowings	9,735	123,694
Credit facility/line of credit repayments	(9,735)	(123,694)
Credit Facility | Line of Credit
Cash flows provided by (used in) financing activities:
Credit facility/line of credit borrowings	138,613	0
Credit facility/line of credit repayments	(138,613)	0
Credit Facility | Prior Downs Lodging Credit Facility
Cash flows provided by (used in) financing activities:
Credit facility/line of credit repayments	0	(40,516)
Credit Facility | Downs Lodging Credit Facility
Cash flows provided by (used in) financing activities:
Credit facility/line of credit borrowings	0	25,000
Credit facility/line of credit repayments	(21,656)	0
Credit Facility | Senior Secured Credit Facility, Term Loan A and B
Supplemental disclosures:
Non-cash repayments	18,651	30,196
Senior Unsecured Notes
Cash flows provided by (used in) financing activities:
Proceeds from issuance of Senior Unsecured Notes, net of discount	496,355	100,000
Promissory Notes | 2012 Mohegan Tribe Promissory Note
Supplemental disclosures:
Non-cash repayments	$ 0	$ 6,000