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DISPOSITIONS AND PLATFORM INVESTMENTS - Disposition - Viya and others (Details) - Disposal Group, Disposed of by Sale, Not Discontinued Operations - Viya (formerly Innovative) Cable operations - USD ($) $ in Millions | Aug. 18, 2017 | Jan. 03, 2017
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St. Maarten |  |
Disposition |  |
Total value of disposal consideration |  | $ 4.8
Gain on disposition |  | $ 0.1
British Virgin Islands |  |
Disposition |  |
Gain on disposition | $ 0.0 |

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