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SEGMENT DATA (Narrative) (Details)
$ in Millions
3 Months Ended
Mar. 31, 2017
USD ($)
market
Mar. 31, 2016
USD ($)
Segment data    
Number of markets | market 81  
Intercompany loans | $ $ 165.8 $ 226.3
Intercompany interest expense | $ $ 6.0 $ 6.1
Operating segments | Broadcast    
Segment data    
Number of markets | market 81