Acquisitions and Dispositions - Additional Information (Detail) (USD $)	0 Months Ended	3 Months Ended	12 Months Ended			0 Months Ended
	Feb. 25, 2013	May 31, 2014	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2013	Jan. 03, 2013	Oct. 31, 2012	Oct. 01, 2012	Aug. 23, 2012
Slovakia Radio Network (Radio)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Selling cash price of land, towers and other equipment	$ 21,200,000
Gain (loss) on sale of business	14,800,000		0	0	14,798,000
Payment to settle working capital adjustments and transaction costs		1,700,000
Bulgaria Radio Network (Radio)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Selling cash price of land, towers and other equipment						1,700,000
Gain (loss) on sale of business			0	0	(1,254,000)	(1,300,000)
Emmis Interactive Inc. (Radio)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on sale of business			0	0	(654,000)		(700,000)
Sampler Publications
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Selling cash price of land, towers and other equipment								8,700,000
Gain (loss) on sale of business			0	0	695,000			700,000
Transaction expenses and tax obligations								200,000
Repayment of term loans under credit agreement								8,500,000
KXOS-FM (Radio)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Selling cash price of land, towers and other equipment									85,500,000
Gain (loss) on sale of business									$ 32,800,000