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PROPERTY, PLANT AND EQUIPMENT (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Property, Plant and Equipment [Abstract] |  |
Interest costs capitalized adjustment | $ 0.3 | $ 0.1
Depreciation inclusive of amortization | $ 65.6 | $ 63.3

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