Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Senior notes due 2018

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The portion of the carrying value of convertible subordinated debt as of the balance sheet date that is scheduled to be repaid within one year or in the normal operating cycle if longer. This form of debt can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder, and places a lender in a lien position behind debt having a higher priority of repayment upon liquidation of the entity's assets.

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Net fair value of all derivative instruments designated as fair value hedging instruments.

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Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

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Amount of long-term debt classified as other.

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DEBT (Senior Notes) (Details) - USD ($) $ in Millions	3 Months Ended
DEBT (Senior Notes) (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017	Dec. 19, 2014
Debt Instrument [Line Items]
Senior notes due 2018	$ 400.0	$ 400.0
Convertible Subordinated Debt, Current	8.9	8.8
Short term debt issuance costs	1.2	1.4
Long-term Debt, Excluding Current Maturities	6,359.3	6,344.6
Long-term Line of Credit	15.0	0.0
Line of Credit Facility, Maximum Borrowing Capacity			$ 1,000.0
Credit Facility Option to Increase			350.0
Credit Facility, Maximum Swing Line Borrowings			$ 100.0
Fair Value Hedges, Net	$ 4.5
Debt Instrument, Basis Spread on Variable Rate	2.298%
Line of Credit Facility, Fair Value of Amount Outstanding	$ 72.0	72.0
Long term debt issuance costs	46.3	48.2
Capital Lease Obligations, Noncurrent	55.6
Other Long-term Debt	72.0	57.8
Capital Lease Obligations, Current	8.2	8.3
Notes Payable	1.8	1.8
Debt, Current	417.7	417.5
Foreign Currency Contract, Asset, Fair Value Disclosure	2.2
Foreign Currency Contracts, Liability, Fair Value Disclosure	(2.1)
Senior notes due 2023 [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	300.0	300.0
Senior notes due 2024 [Member] [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	$ 600.0	600.0
Debt Instrument, Interest Rate, Effective Percentage	3.25%
Senior notes due 2025 [Member] [Member]
Debt Instrument [Line Items]
Derivative, Notional Amount	$ 300.0
Senior notes due 2027 [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	$ 600.0	600.0
Debt Instrument, Interest Rate, Effective Percentage	3.60%
Senior notes due 2024 and 2027 [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	$ 1,200.0
Net Proceeds from Debt	$ 1,190.1
Senior notes due 2017 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage	2.20%
Senior notes due 2045 [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	$ 900.0	900.0
Cross currency swap maturing 2022 [Member]
Debt Instrument [Line Items]
Derivative, Notional Amount	300.0
Senior notes due 2020 [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	604.5	604.1
Senior Notes, Noncurrent	$ 500.0	500.0
Stated interest rate percentage	4.625%
2017 Term Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Fair Value of Amount Outstanding	$ 750.0	$ 750.0