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

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DEBT AND INTEREST - Other Debt Information (Details) € in Millions, $ in Millions			1 Months Ended		3 Months Ended		9 Months Ended
	Aug. 31, 2021 USD ($)	Aug. 01, 2021 USD ($)	Sep. 30, 2021 USD ($)	Aug. 31, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 EUR (€)	Dec. 31, 2021 USD ($)
Debt instrument
Carrying value					$ 8,029.3		$ 8,029.3			$ 8,349.7
Long-term debt, current maturities					(2.6)		(2.6)			(2.5)
Long-term debt					8,026.7		8,026.7			8,347.2
Payment for Debt Extinguishment or Debt Prepayment Cost			$ 25.0
Interest
Interest expense					66.7	$ 78.3	179.1	$ 183.8
Interest income					(1.6)	(1.9)	(5.0)	(10.1)
Interest expense, net					65.1	76.4	$ 174.1	$ 173.7
Interest expense
Debt instrument
Debt refinancing charges, pre-tax						32.3
Debt refinancing charges, net of tax						$ 28.4
Public Notes
Debt instrument
Principal outstanding payable at time of prepayment of notes (as a percent)							101.00%
Thirty year 2011 senior notes
Debt instrument
Carrying value					384.5		$ 384.5			384.3
Aggregate principal amount					389.0		$ 389.0
Debt instrument, term							30 years
Five year 2017 senior notes
Debt instrument
Interest rate (as a percent)			2.375%			2.375%		2.375%
Debt extinguishment amount			$ 500.0
Two Year 2021 Senior Notes [Member]
Debt instrument
Carrying value					498.3		$ 498.3			497.2
Aggregate principal amount					500.0		$ 500.0
Debt instrument, term							2 years
Six Year 2021 Senior Notes [Member]
Debt instrument
Carrying value					496.3		$ 496.3			495.7
Aggregate principal amount					500.0		$ 500.0
Debt instrument, term							6 years
Eleven Year 2021 Senior Notes [Member]
Debt instrument
Carrying value					644.5		$ 644.5			644.0
Aggregate principal amount					650.0		$ 650.0
Debt instrument, term							11 years
Thirty Year 2021 Senior Notes [Member]
Debt instrument
Carrying value					838.8		$ 838.8			838.5
Aggregate principal amount					850.0		$ 850.0
Debt instrument, term							30 years
Ten year 2017 senior notes
Debt instrument
Carrying value					433.7		$ 433.7			488.4
Aggregate principal amount					500.0		$ 500.0
Debt instrument, term							10 years
Thirty year 2017 senior notes
Debt instrument
Carrying value					425.2		$ 425.2			424.3
Aggregate principal amount					484.0		$ 484.0
Debt instrument, term							30 years
Thirty year 2020 senior notes
Debt instrument
Carrying value					490.6		$ 490.6			490.4
Aggregate principal amount					500.0		$ 500.0
Debt instrument, term							30 years
Thirty-four year 2021 senior notes
Debt instrument
Carrying value					536.7		$ 536.7			535.3
Aggregate principal amount					685.0		$ 685.0
Debt instrument, term	34 years						34 years
Debt exchanged	$ 385.0
Payment for Debt Extinguishment or Debt Prepayment Cost				$ 118.0
Value of notes tendered in an exchange offering	$ 387.0
Ten year 2020 senior notes
Debt instrument
Carrying value					643.7		$ 643.7			709.1
Aggregate principal amount					698.0		$ 698.0
Debt instrument, term							10 years
Ten year 2020 senior notes, maturing in 2031
Debt instrument
Carrying value					552.8		$ 552.8			593.4
Aggregate principal amount					600.0		$ 600.0
Debt instrument, term							10 years
Seven year 2016 senior notes
Debt instrument
Interest rate (as a percent)			3.25%			3.25%		3.25%
Debt extinguishment amount			$ 400.0
Seven year 2016 senior euro notes
Debt instrument
Carrying value					576.4		$ 576.4			649.3
Aggregate principal amount \| €									€ 575
Debt instrument, term							7 years
Ten year 2016 senior notes
Debt instrument
Carrying value					721.4		$ 721.4			744.9
Aggregate principal amount					750.0		$ 750.0
Debt instrument, term							10 years
Thirty year 2016 senior notes
Debt instrument
Carrying value					197.2		$ 197.2			197.2
Aggregate principal amount					200.0		$ 200.0
Debt instrument, term							30 years
Ten Year 2015 senior euro notes
Debt instrument
Carrying value					576.4		$ 576.4			649.7
Aggregate principal amount \| €									€ 575
Debt instrument, term							10 years
Private Placement 34-Year 2021 Senior Notes
Debt instrument
Aggregate principal amount		$ 300.0
Debt instrument, term		34 years
Interest rate (as a percent)		2.75%
Debt, unamortized discounts and financing costs		$ 143.0
Other debt.
Debt instrument
Carrying value					$ 12.8		$ 12.8			$ 8.0