Indefinite-Lived Intangible Assets, Change in Unit of Accounting

No definition available.

Name:	emms_IndefiniteLivedIntangibleAssetsChangeinUnitofAccounting
Namespace Prefix:	emms_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The aggregate amount of indefinite-lived intangible assets acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

+ References

No definition available.

+ Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsAcquiredDuringPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Carrying amount of assets (excluding financial assets) that lack physical substance, excluding goodwill, having a projected indefinite period of benefit.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Impairment recognized during the period and allocated to the reportable segment that results from the write-down of indefinite-lived intangible assets after comparing the implied fair value of reporting unit indefinite-lived intangible assets with the carrying amount of that indefinite-lived intangible assets, which are assessed at least annually for impairment.

+ 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),(d)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16373-109275

+ Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsImpairmentLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Write-off of the carrying amount of indefinite-lived intangible assets associated with all or a portion of a reporting unit that is sold in the period.

+ References

No definition available.

+ Details

Name:	us-gaap_IndefiniteLivedIntangibleAssetsWrittenOffRelatedToSaleOfBusinessUnit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Intangible Assets and Goodwill - Change in License Carrying Value (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended					12 Months Ended			12 Months Ended		12 Months Ended					12 Months Ended					12 Months Ended
	Feb. 28, 2014	Feb. 28, 2014 Continuing Operations	Feb. 28, 2013 Continuing Operations	Feb. 28, 2013 Discontinued Operations	Feb. 28, 2014 Discontinued Operations	Feb. 28, 2013 New York Cluster Continuing Operations	Feb. 28, 2013 WQHT-FM (New York) Continuing Operations	Feb. 28, 2014 WQHT-FM (New York) Continuing Operations	Feb. 28, 2013 98.7FM (New York) Continuing Operations	Feb. 28, 2014 98.7FM (New York) Continuing Operations	Feb. 28, 2013 Austin Cluster Continuing Operations	Feb. 28, 2014 Austin Cluster Continuing Operations	Feb. 28, 2014 St Louis Cluster Continuing Operations	Feb. 28, 2013 St Louis Cluster Continuing Operations	Feb. 29, 2012 St Louis Cluster Continuing Operations	Feb. 28, 2013 Indianapolis Cluster Continuing Operations	Feb. 28, 2014 Indianapolis Cluster Continuing Operations	Feb. 28, 2014 KPWR-FM (Los Angeles) Continuing Operations	Feb. 28, 2013 KPWR-FM (Los Angeles) Continuing Operations	Feb. 29, 2012 KPWR-FM (Los Angeles) Continuing Operations	Feb. 28, 2014 Terre Haute Cluster Continuing Operations	Feb. 28, 2013 Terre Haute Cluster Continuing Operations	Feb. 28, 2013 KXOS-FM (Radio) Discontinued Operations
Indefinite-lived Intangible Assets [Line Items]
Carrying amount of FCC license, beginning balance	$ 150,522	$ 150,522	$ 160,676	$ 213,009	$ 150,558	$ 74,093		$ 2,597		$ 60,525	$ 39,025	$ 39,255	$ 27,692	$ 27,692	$ 27,692	$ 17,274	$ 17,654	$ 2,018	$ 2,018	$ 2,018	$ 781	$ 574	$ 52,333
Indefinite-Lived Intangible Assets, Change in Unit of Accounting						(74,093)	2,597		71,496
Purchases	36	36	817	817							230					380					36	207
Impairment			(10,971)	(10,971)					(10,971)
Sale of KXOS-FM				(52,333)																			(52,333)
Carrying amount of FCC license, ending balance	$ 150,558	$ 150,558	$ 150,522	$ 150,522	$ 150,558		$ 2,597	$ 2,597	$ 60,525	$ 60,525	$ 39,255	$ 39,255	$ 27,692	$ 27,692	$ 27,692	$ 17,654	$ 17,654	$ 2,018	$ 2,018	$ 2,018	$ 817	$ 781