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SUBSEQUENT EVENTS (Narrative) (Details) $ / shares in Units, $ in Millions |  |  |  | 9 Months Ended
--- | --- | --- | --- | ---
Oct. 18, 2018 $ / shares | Oct. 05, 2018 USD ($) | Oct. 01, 2018 employee | Sep. 30, 2018 USD ($) | Sep. 30, 2017 USD ($)
Subsequent Event [Line Items] |  |  |  |  |
Payments for Repurchase of Senior Notes Debt |  |  |  | $ 16.3 | $ 1,720.7
Subsequent Event [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Extinguishment of Debt, Amount |  | $ 211.0 |  |  |
Payments for Repurchase of Senior Notes Debt |  | $ 218.0 |  |  |
Labor agreement, contract term |  |  | 4 years |  |
Labor agreement, number of employees | employee |  |  | 1,800 |  |
Common stock, dividends declared (in dollars per share) | $ / shares | $ 0.05 |  |  |  |

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- Definition Labor Agreement, Contract Term + References No definition available. + Details
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- Definition Labor Agreement, Number Of Employees + References No definition available. + Details
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- Definition Payments for Repurchase of Senior Notes Debt + References No definition available. + Details
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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