DEBT (Senior Notes) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2020	Dec. 31, 2019	Dec. 19, 2014
Debt Instrument [Line Items]
Short term debt issuance costs	$ 0.3	$ 0.7
Long-term Debt, Excluding Current Maturities	5,790.2	5,789.8
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	$ 3.3	1.5
Debt Instrument, Basis Spread on Variable Rate	2.298%
Line of Credit Facility, Fair Value of Amount Outstanding		375.0
Long term debt issuance costs	$ 41.3	42.2
Notes Payable	2.2	2.2
Debt, Current	417.4	415.2
Foreign Currency Contract, Asset, Fair Value Disclosure		3.2
4.625% Senior notes due 2020	415.5	413.7
2.30% senior notes due 2024	400.0	400.0
2.95% senior notes due 2029	650.0	650.0
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
Senior notes due 2027 [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	600.0	600.0
Senior notes due 2045 [Member]
Debt Instrument [Line Items]
Long-term Debt, Excluding Current Maturities	900.0	$ 900.0
2019 Term Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Fair Value of Amount Outstanding	$ 375.0
Senior notes due 2020 [Member]
Debt Instrument [Line Items]
Stated interest rate percentage	4.625%

2.30% senior notes due 2024

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2.95% senior notes due 2029

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4.625% Senior notes due 2020

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Credit Facility, Maximum Swing Line Borrowings

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Credit Facility Option to Increase

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- Definition

Long term debt issuance costs

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Short term debt issuance costs

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

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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 asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps.

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Fair value of the amount outstanding under the credit facility.

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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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