Relinquishment Fee Percentage

No definition available.

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- Details

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 3

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275

+ Details

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- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

+ References

+ Details

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- Definition

Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, resulting from a business combination.

+ References

No definition available.

+ Details

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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Intangible Assets and Relinquishment Liability (Details) (USD $)	12 Months Ended	1 Months Ended		12 Months Ended
	Sep. 30, 2014	Oct. 31, 2006	Jun. 30, 2010	Sep. 30, 2013
Acquired Indefinite-lived Intangible Assets [Line Items]
Relinquishment fee percentage	5.00%mtga_RelinquishmentFeePercentage
Pennsylvania Facilities \| Slot Machine License
Acquired Indefinite-lived Intangible Assets [Line Items]
Intangible asset recorded	214,000,000	$ 50,000,000.0
Pennsylvania Facilities \| Table Game Certificate
Acquired Indefinite-lived Intangible Assets [Line Items]
Intangible asset recorded			16,500,000.0
Mohegan Sun \| Mohegan Sun trademark
Acquired Indefinite-lived Intangible Assets [Line Items]
Intangible asset recorded	119,700,000
Impairment of Mohegan Sun trademark	0			0
Franchise \| WNBA
Acquired Indefinite-lived Intangible Assets [Line Items]
Impairment of Intangible Assets, Finite-lived	0			0
Franchise \| Pautipaug Country Club
Acquired Indefinite-lived Intangible Assets [Line Items]
Impairment of Intangible Assets, Finite-lived	0			$ 0