Acquisitions and Dispositions - Schedule of Assets Acquired and Liabilities Assumed (Details) (USD $)	12 Months Ended	0 Months Ended			8 Months Ended	12 Months Ended
	Feb. 28, 2014	Jun. 16, 2014	Feb. 13, 2015	Jun. 10, 2014	Feb. 13, 2015	Feb. 28, 2015
Business Acquisition [Line Items]
Goodwill, Acquired During Period	$ 61,148,000
Digonex
Business Acquisition [Line Items]
Cash		456,000
Cash Acquired from Acquisition		(456,000)
Other current and noncurrent assets		9,000
Goodwill, Acquired During Period		2,753,000
Other intangibles		6,180,000
Payments to Acquire Businesses, Net of Cash Acquired		2,544,000
Accounts payable and accrued liabilities		(462,000)
Other current liabilities and noncurrent liabilities		(1,139,000)
Long-term debt		(3,600,000)
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value		(1,197,000)
Cash paid		3,000,000
WBLS-FM and WLIB-AM
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other				37,000
Property and equipment				4,054,000
Indefinite-lived intangibles				69,019,000
Goodwill, Acquired During Period				58,395,000
Other intangibles				2,469,000
Other current liabilities				(512,000)
Payments to Acquire Businesses, Net of Cash Acquired			76,000,000	55,000,000	81,563,000	133,462,000
Total payments to acquire a business including interest on the accretion of discounted liabilities						136,563,000
Payments of interest expense related o accretion of acquisition liabilities					(3,101,000)
Cash paid				$ 55,000,000