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DEBT AND INTEREST - Other Debt Information (Details) € in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2024 EUR (€)	Dec. 31, 2023 USD ($)
Debt instrument
Carrying value	$ 7,531.0			$ 8,180.0
Long-term debt, current maturities	(2.4)			(628.6)
Long-term debt	7,528.6			7,551.4
Repayments of long-term debt	629.6
Interest
Interest expense	94.5	$ 80.1
Interest income	(22.9)	(5.9)
Interest expense, net	$ 71.6	$ 74.2
Public Notes
Debt instrument
Principal outstanding payable at time of prepayment of notes (as a percent)	101.00%
Five Year 2022 senior notes
Debt instrument
Carrying value	$ 494.5			494.2
Aggregate principal amount	$ 500.0
Debt instrument, term	5 years
Six Year 2021 Senior Notes
Debt instrument
Carrying value	$ 497.6			497.4
Aggregate principal amount	$ 500.0
Debt instrument, term	6 years
Ten year 2017 senior notes
Debt instrument
Carrying value	$ 447.7			448.3
Aggregate principal amount	$ 500.0
Debt instrument, term	10 years
Ten year 2020 senior notes
Debt instrument
Carrying value	$ 647.7			662.7
Aggregate principal amount	$ 698.0
Debt instrument, term	10 years
Ten year 2020 senior notes, maturing in 2031
Debt instrument
Carrying value	$ 556.1			561.0
Aggregate principal amount	$ 600.0
Debt instrument, term	10 years
Eleven Year 2021 Senior Notes
Debt instrument
Carrying value	$ 645.3			645.2
Aggregate principal amount	$ 650.0
Debt instrument, term	11 years
Thirty year 2011 senior notes
Debt instrument
Carrying value	$ 384.8			384.7
Aggregate principal amount	$ 389.0
Debt instrument, term	30 years
Thirty year 2017 senior notes
Debt instrument
Carrying value	$ 427.2			426.8
Aggregate principal amount	$ 484.0
Debt instrument, term	30 years
Thirty year 2020 senior notes
Debt instrument
Carrying value	$ 491.2			491.1
Aggregate principal amount	$ 500.0
Debt instrument, term	30 years
Thirty Year 2021 Senior Notes
Debt instrument
Carrying value	$ 839.4			839.3
Aggregate principal amount	$ 850.0
Debt instrument, term	30 years
Thirty-four year 2021 senior notes
Debt instrument
Carrying value	$ 539.7			539.2
Aggregate principal amount	$ 685.0
Debt instrument, term	34 years
Seven year 2016 senior euro notes
Debt instrument
Carrying value				625.9
Aggregate principal amount \| €			€ 575
Debt instrument, term	7 years
Ten year 2016 senior notes
Debt instrument
Carrying value	$ 728.8			728.2
Aggregate principal amount	$ 750.0
Debt instrument, term	10 years
Thirty year 2016 senior notes
Debt instrument
Carrying value	$ 197.4			197.4
Aggregate principal amount	$ 200.0
Debt instrument, term	30 years
Ten Year 2015 senior euro notes
Debt instrument
Carrying value	$ 620.4			625.1
Aggregate principal amount \| €			€ 575
Debt instrument, term	10 years
Other debt.
Debt instrument
Carrying value	$ 13.2			$ 13.5