SEGMENT DATA (Narrative) (Details) $ in Millions	3 Months Ended
Mar. 31, 2018 USD ($) market	Mar. 31, 2017 USD ($)
Segment data
Number of markets \| market	89
Intercompany loans \| $	$ 144.0	$ 165.8
Intercompany interest expense \| $	$ 3.8	$ 6.0
Operating segments \| Broadcast
Segment data
Number of markets \| market	89

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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