MOHEGAN VENTURES WISCONSIN, LLC (MENOMINEE PROJECT) (Details) (Menominee Project, Mohegan Ventures Wisconsin, Wisconsin Tribal Gaming)	12 Months Ended
Sep. 30, 2014
Menominee Project \| Mohegan Ventures Wisconsin \| Wisconsin Tribal Gaming
Schedule of Long-term Development Projects [Line Items]
Membership or limited partnership interest percentage	100.00%

The number of units or percentage investment held by one or more members or limited partners of the LLC or LP.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 272

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

Name:	us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration