RELATED PARTY TRANSACTIONS (Details) (USD $)	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2013
Related Party Transaction [Line Items]
Distributions to Mohegan Tribe	$ 10,000,000	$ 10,000,000
Due to Mohegan Tribe	7,584,000		6,308,000
Mohegan Tribe of Indians of Connecticut
Related Party Transaction [Line Items]
Distributions to Mohegan Tribe	10,000,000	10,000,000
Expenses for services provided to related party	7,000,000	7,000,000
Incurred interest expense associated with a related party debt	616,000	808,000
Due to Mohegan Tribe	2,000,000		808,000
Mohegan Tribal Utility Authority
Related Party Transaction [Line Items]
Utilities purchased from related party	$ 4,500,000	$ 4,100,000