DEBT AND INTEREST - Other Debt Information (Details) € in Millions, $ in Millions	1 Months Ended				3 Months Ended
	Jan. 31, 2025 USD ($)	Jan. 31, 2025 EUR (€)	Jan. 31, 2024 USD ($)	Jan. 31, 2024 EUR (€)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2025 EUR (€)	Dec. 31, 2024 USD ($)
Debt instrument
Carrying value					$ 7,603.6			$ 7,561.3
Long-term debt, current maturities					(606.0)			(612.1)
Long-term debt					6,997.6			6,949.2
Aggregate principal amount | €							€ 575
Repayments of long-term debt	$ 630.0	€ 575	$ 630.0	€ 575		$ 629.6
Interest
Interest expense					72.6	94.5
Interest income					(14.3)	(22.9)
Interest expense, net					58.3	$ 71.6
Ten Year 2015 senior euro notes
Debt instrument
Carrying value					$ 598.1			607.8
Debt instrument, term					10 years
Ten year 2016 senior notes
Debt instrument
Carrying value					$ 739.7			735.2
Aggregate principal amount					$ 750.0
Debt instrument, term					10 years
Thirty year 2016 senior notes
Debt instrument
Carrying value					$ 197.5			197.5
Aggregate principal amount					$ 200.0
Debt instrument, term					30 years
Ten year 2017 senior notes
Debt instrument
Carrying value					$ 468.3			456.5
Aggregate principal amount					$ 500.0
Debt instrument, term					10 years
Six Year 2021 Senior Notes
Debt instrument
Carrying value					$ 498.4			498.2
Aggregate principal amount					$ 500.0
Debt instrument, term					6 years
Five Year 2022 senior notes
Debt instrument
Carrying value					$ 496.0			495.6
Aggregate principal amount					$ 500.0
Debt instrument, term					5 years
Ten year 2020 senior notes
Debt instrument
Carrying value					$ 660.6			657.2
Aggregate principal amount					$ 698.0
Debt instrument, term					10 years
Ten year 2020 senior notes, maturing in 2031
Debt instrument
Carrying value					$ 564.3			559.3
Aggregate principal amount					$ 600.0
Debt instrument, term					10 years
Eleven Year 2021 Senior Notes
Debt instrument
Carrying value					$ 645.9			645.8
Aggregate principal amount					$ 650.0
Debt instrument, term					11 years
Thirty year 2011 senior notes
Debt instrument
Carrying value					$ 385.1			385.0
Aggregate principal amount					$ 389.0
Debt instrument, term					30 years
Thirty year 2017 senior notes
Debt instrument
Carrying value					$ 428.6			428.2
Aggregate principal amount					$ 484.0
Debt instrument, term					30 years
Thirty year 2020 senior notes
Debt instrument
Carrying value					$ 491.5			491.4
Aggregate principal amount					$ 500.0
Debt instrument, term					30 years
Thirty Year 2021 Senior Notes
Debt instrument
Carrying value					$ 839.8			839.7
Aggregate principal amount					$ 850.0
Debt instrument, term					30 years
Thirty-four year 2021 senior notes
Debt instrument
Carrying value					$ 541.7			541.2
Aggregate principal amount					$ 685.0
Debt instrument, term					34 years
Other debt.
Debt instrument
Carrying value					$ 48.1			$ 22.7
Public Notes
Debt instrument
Principal outstanding payable at time of prepayment of notes (as a percent)					101.00%