CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS) AND COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Revenues:
Gaming		$ 293,736	$ 296,685	$ 578,811	$ 589,082
Food and beverage		21,731	21,183	44,787	43,200
Hotel		14,919	12,080	29,622	24,417
Retail, entertainment and other		29,508	24,276	63,973	54,745
Gross revenues		359,894	354,224	717,193	711,444
Less-Promotional allowances		(23,070)	(22,435)	(49,377)	(46,469)
Net revenues		336,824	331,789	667,816	664,975
Operating costs and expenses:
Gaming	[1]	160,200	163,765	329,582	330,758
Food and beverage		10,241	9,809	20,570	20,133
Hotel	[1]	6,971	3,686	13,174	7,502
Retail, entertainment and other		11,582	8,330	26,969	17,819
Advertising, general and administrative	[1]	50,193	51,846	100,589	101,222
Corporate	[1]	20,260	15,069	31,448	19,081
Depreciation and amortization		18,090	18,669	36,302	37,797
(Gain) loss on disposition of assets		(111)	357	(91)	329
Pre-opening		(26)	0	429	0
Total operating costs and expenses		277,400	271,531	558,972	534,641
Income from operations		59,424	60,258	108,844	130,334
Other income (expense):
Interest income		2,678	2,055	5,578	4,185
Interest expense		(28,594)	(34,198)	(58,629)	(68,345)
Loss on modification and early extinguishment of debt		0	0	(73,796)	(207)
Loss from unconsolidated affiliates		(2,114)	(451)	(2,845)	(844)
Other income (expense), net		2	(7)	3	(16)
Total other expense		(28,028)	(32,601)	(129,689)	(65,227)
Net income (loss)		31,396	27,657	(20,845)	65,107
(Income) loss attributable to non-controlling interests		74	2,828	693	(2,703)
Net income (loss) attributable to Mohegan Tribal Gaming Authority		31,470	30,485	(20,152)	62,404
Comprehensive income (loss):
Foreign currency translation		15,009	4,815	(3,301)	4,202
Other comprehensive income (loss)		15,009	4,815	(3,301)	4,202
Other comprehensive (income) loss attributable to non-controlling interests		(7,804)	(2,177)	1,609	(2,177)
Other comprehensive income (loss) attributable to Mohegan Tribal Gaming Authority		7,205	2,638	(1,692)	2,025
Comprehensive income (loss) attributable to Mohegan Tribal Gaming Authority		$ 38,675	$ 33,123	$ (21,844)	$ 64,429

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