MOHEGAN GAMING ADVISORS, LLC (PROJECT INSPIRE)	12 Months Ended
Sep. 30, 2017
Project Inspire
Schedule of Long-term Development Projects [Line Items]
MOHEGAN GAMING ADVISORS, LLC (PROJECT INSPIRE)	MOHEGAN GAMING ADVISORS, LLC (PROJECT INSPIRE): Mohegan Gaming Advisors, a wholly-owned subsidiary of the Company, currently holds a 50.19% membership interest in Inspire Integrated Resort, which was formed to pursue gaming opportunities in South Korea. The remaining 49.81% membership interest in Inspire Integrated Resort is held by an unrelated third-party and its affiliates. Inspire Integrated Resort is not a restricted entity of the Company, and therefore, is not a guarantor of the Company’s debt obligations. In February 2016, Inspire Integrated Resort was awarded pre-approval for a gaming license to be issued upon the completion of construction of Project Inspire, a proposed integrated resort and casino to be located adjacent to the Incheon International Airport in South Korea. In August 2016, Inspire Integrated Resort entered into an implementation agreement with the Incheon International Airport Authority for the long-term lease and development of land at the project site adjacent to the airport. Mohegan Gaming Advisors and its partner have each contributed approximately $100.0 million in cash into Project Inspire. The construction costs for Project Inspire are currently being funded by these contributions. As of September 30, 2017 and 2016, unused contributions, after factoring in the effect of the exchange rate, totaled $162.0 million and $205.8 million, respectively, and were included in non-current assets - restricted cash and cash equivalents and other assets, net in the accompanying consolidated balance sheets. As of September 30, 2017 and 2016, property and equipment, net, which consisted primarily of construction in process, totaled $49.2 million and $1.4 million, respectively. As of September 30, 2017 and 2016, Inspire Integrated Resort had total assets of $212.8 million and $207.6 million, respectively, and total liabilities of $13.9 million and $1.3 million, respectively. Outstanding liabilities are anticipated to be funded by Inspire Integrated Resort's restricted cash and cash equivalents.

MOHEGAN GAMING ADVISORS, LLC (PROJECT INSPIRE):

Mohegan Gaming Advisors, a wholly-owned subsidiary of the Company, currently holds a 50.19% membership interest in Inspire Integrated Resort, which was formed to pursue gaming opportunities in South Korea. The remaining 49.81% membership interest in Inspire Integrated Resort is held by an unrelated third-party and its affiliates. Inspire Integrated Resort is not a restricted entity of the Company, and therefore, is not a guarantor of the Company’s debt obligations.

In February 2016, Inspire Integrated Resort was awarded pre-approval for a gaming license to be issued upon the completion of construction of Project Inspire, a proposed integrated resort and casino to be located adjacent to the Incheon International Airport in South Korea. In August 2016, Inspire Integrated Resort entered into an implementation agreement with the Incheon International Airport Authority for the long-term lease and development of land at the project site adjacent to the airport.

Mohegan Gaming Advisors and its partner have each contributed approximately $100.0 million in cash into Project Inspire. The construction costs for Project Inspire are currently being funded by these contributions. As of September 30, 2017 and 2016, unused contributions, after factoring in the effect of the exchange rate, totaled $162.0 million and $205.8 million, respectively, and were included in non-current assets - restricted cash and cash equivalents and other assets, net in the accompanying consolidated balance sheets. As of September 30, 2017 and 2016, property and equipment, net, which consisted primarily of construction in process, totaled $49.2 million and $1.4 million, respectively.

As of September 30, 2017 and 2016, Inspire Integrated Resort had total assets of $212.8 million and $207.6 million, respectively, and total liabilities of $13.9 million and $1.3 million, respectively. Outstanding liabilities are anticipated to be funded by Inspire Integrated Resort's restricted cash and cash equivalents.