Annual report pursuant to Section 13 and 15(d)

IMPAIRMENT OF GOODWILL AND OTHER INDEFINITE-LIVED INTANGIBLE ASSETS (Details 4)

v3.7.0.1
IMPAIRMENT OF GOODWILL AND OTHER INDEFINITE-LIVED INTANGIBLE ASSETS (Details 4)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Radio Clusters [Member] | Goodwill-Broadcast [Member]      
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Risk adjusted discount rate 8.50% 8.00% 8.00%
Operating profit margin ranges   49.70%  
Long-term revenue market growth rate ranges 1.90% 2.00%  
Maximum [Member] | Radio Clusters [Member] | Goodwill-Broadcast [Member]      
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Operating profit margin ranges 43.30%   46.10%
Long-term revenue market growth rate ranges     5.00%
Minimum [Member] | Radio Clusters [Member] | Goodwill-Broadcast [Member]      
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Operating profit margin ranges (18.50%)   8.40%
Long-term revenue market growth rate ranges     1.00%
Enterprise Valuation [Member] | Goodwill-Broadcast [Member]      
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Risk adjusted discount rate 9.50% 9.00%  
Long-term revenue market growth rate ranges 1.90% 2.00%  
Enterprise Valuation [Member] | Maximum [Member] | Goodwill-Broadcast [Member]      
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Operating profit margin ranges 24.40% (97.50%)  
Enterprise Valuation [Member] | Minimum [Member] | Goodwill-Broadcast [Member]      
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Operating profit margin ranges 1.00% (74.10%)  
Enterprise Valuation [Member] | Digital Media [Member]      
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Risk adjusted discount rate     8.00%
Long-term revenue market growth rate ranges     2.50%
Enterprise Valuation [Member] | Digital Media [Member] | Maximum [Member]      
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Risk adjusted discount rate 9.50% 9.00%  
Operating profit margin ranges 8.20% 13.80% 34.90%
Long-term revenue market growth rate ranges 2.50% 3.00%  
Enterprise Valuation [Member] | Digital Media [Member] | Minimum [Member]      
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Risk adjusted discount rate 8.50% 8.00%  
Operating profit margin ranges (20.30%) (8.90%) (7.40%)
Long-term revenue market growth rate ranges 1.90% 2.00%  
Enterprise Valuation [Member] | Publishing [Member]      
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Risk adjusted discount rate 8.50% 8.00% 8.00%
Long-term revenue market growth rate ranges 1.90% 2.00% 1.50%
Enterprise Valuation [Member] | Publishing [Member] | Maximum [Member]      
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Operating profit margin ranges 5.70% 6.20% 5.90%
Enterprise Valuation [Member] | Publishing [Member] | Minimum [Member]      
Fair Value Inputs, Assets, Quantitative Information [Line Items]      
Operating profit margin ranges 3.50% 4.20% 2.40%