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DEBT (Debt Outstanding) (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016
Debt Instrument [Line Items] |  |
Total debt | $ 2,715.3 | $ 2,685.4
Less short-term debt and current maturities | (965.3) | (585.4)
Less unamortized discounts and debt issuance costs | (11.0) | (13.2)
Total long-term debt, net of discount | 1,739.0 | 2,086.8
Commercial paper (CP) |  |
Debt Instrument [Line Items] |  |
Total debt | 562.6 | 310.3
Revolver |  |
Debt Instrument [Line Items] |  |
Total debt | 100.0 | 0.0
Notes, 6.30%, due July 2017 |  |
Debt Instrument [Line Items] |  |
Total debt | $ 0.0 | 272.5
Debt, interest rate | 6.30% |
Debt, maturity date | 2017-07 |
Term loan, due Nov 2018 |  |
Debt Instrument [Line Items] |  |
Total debt | $ 400.0 | 450.0
Notes, 2.30%, due June 2021 |  |
Debt Instrument [Line Items] |  |
Total debt | $ 500.0 | 500.0
Debt, interest rate | 2.30% |
Debt, maturity date | 2021-06 |
Notes, 3.30%, due Dec 2022 |  |
Debt Instrument [Line Items] |  |
Total debt | $ 500.0 | 500.0
Debt, interest rate | 3.30% |
Debt, maturity date | 2022-12 |
Notes, 3.25%, due June 2026 |  |
Debt Instrument [Line Items] |  |
Total debt | $ 275.0 | 275.0
Debt, interest rate | 3.25% |
Debt, maturity date | 2026-06 |
Debentures, 6.90%, due July 2028 |  |
Debt Instrument [Line Items] |  |
Total debt | $ 125.0 | 125.0
Debt, interest rate | 6.90% |
Debt, maturity date | 2028-07 |
Notes, 7.00%, due July 2037 |  |
Debt Instrument [Line Items] |  |
Total debt | $ 250.0 | 250.0
Debt, interest rate | 7.00% |
Debt, maturity date | 2037-07 |
Other |  |
Debt Instrument [Line Items] |  |
Total debt | $ 2.7 | $ 2.6

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