DEBT (Senior Notes) (Details) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Short term debt issuance costs	$ 0.6	$ 0.7
Long-term Debt, Excluding Current Maturities	5,417.3	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		1.5
Line of Credit Facility, Fair Value of Amount Outstanding		375.0
Long term debt issuance costs	38.8	42.2
Notes Payable	2.2	2.2
Debt, Current	376.6	415.2
Foreign Currency Contract, Asset, Fair Value Disclosure		3.2
4.625% Senior notes due 2020	0.0	413.7
2.30% senior notes due 2024	400.0	400.0
2.95% senior notes due 2029	650.0	650.0
Senior Notes Became Due During Quarter	412.2
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	$ 0.0
Senior notes due 2020 [Member]
Debt Instrument [Line Items]
Stated interest rate percentage	4.625%