GOODWILL AND RADIO BROADCASTING LICENSES (Details) (Income Approach Valuation Technique [Member], USD $) In Millions, unless otherwise specified	Oct. 01, 2014	Mar. 31, 2014
Schedule Of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Pre-tax impairment charge (in millions)	$ 0	$ 0	[1]
Discount Rate	9.50%	10.00%	[1]
Year 1 Market Revenue Growth Rate Range		1.00%	[1]
Long-term Market Revenue Growth Rate Range (Years 6 - 10)		1.50%	[1]
Mature Market Share Range		8.60%	[1]
Operating Profit Margin Range		33.60%	[1]
Minimum [Member]
Schedule Of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Year 1 Market Revenue Growth Rate Range	0.30%
Long-term Market Revenue Growth Rate Range (Years 6 - 10)	1.00%
Mature Market Share Range	6.90%
Operating Profit Margin Range	30.00%
Maximum [Member]
Schedule Of Goodwill, Radio Broadcasting Licenses And Other Intangible Assets [Line Items]
Year 1 Market Revenue Growth Rate Range	1.00%
Long-term Market Revenue Growth Rate Range (Years 6 - 10)	2.00%
Mature Market Share Range	25.20%
Operating Profit Margin Range	48.40%

[1] Reflects changes only to the key assumptions used in the interim testing for certain units of accounting.