CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS) AND COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands		3 Months Ended
		Dec. 31, 2017	Dec. 31, 2016
Revenues:
Gaming		$ 287,006	$ 285,075
Food and beverage		21,820	23,056
Hotel		14,907	14,703
Retail, entertainment and other		32,888	34,465
Gross revenues		356,621	357,299
Less-Promotional allowances		(25,137)	(26,307)
Net revenues		331,484	330,992
Operating costs and expenses:
Gaming	[1]	164,315	169,382
Food and beverage		10,189	10,329
Hotel	[1]	7,005	6,203
Retail, entertainment and other		11,617	15,387
Advertising, general and administrative	[1]	50,377	50,396
Corporate	[1]	12,153	11,188
Depreciation and amortization		20,207	18,212
(Gain) loss on disposition of assets		(79)	20
Pre-opening		700	455
Total operating costs and expenses		276,484	281,572
Income from operations		55,000	49,420
Accretion of discount to the redemption liability		(1,733)	0
Other income (expense):
Interest income		3,869	2,900
Interest expense, net of capitalized interest		(28,336)	(30,035)
Loss on modification and early extinguishment of debt		0	(73,796)
Income (loss) from unconsolidated affiliates		175	(731)
Other income (expense), net		(285)	1
Total other expense		(26,310)	(101,661)
Net income (loss)		28,690	(52,241)
Loss attributable to non-controlling interests		519	619
Net income (loss) attributable to Mohegan Tribal Gaming Authority		29,209	(51,622)
Comprehensive income (loss):
Foreign currency translation adjustment		14,747	(18,310)
Other comprehensive income (loss)		14,747	(18,310)
Other comprehensive (income) loss attributable to non-controlling interests		(8,318)	9,413
Other comprehensive income (loss) attributable to Mohegan Tribal Gaming Authority		6,429	(8,897)
Comprehensive income (loss) attributable to Mohegan Tribal Gaming Authority		$ 35,638	$ (60,519)

[1] These financial statement line items include costs and expenses associated with related party transactions (refer to Note 4).