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The cost of borrowed funds accounted for as interest that was charged against earnings during the period net of income derived from investments in debt securities and on cash and cash equivalents the earnings of which reflect the time value of money or transactions in which the payments are for the use or forbearance of money.

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This element represents the percentage of principal outstanding at the time of prepayment.

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Amount of short-term and long-term debt and lease obligation.

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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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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No definition available.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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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 of long-term debt and lease obligation, classified as noncurrent.

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Amount of long-term debt and lease obligation, classified as current.

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DEBT AND INTEREST - Other Debt Information (Details) € in Millions, $ in Millions	1 Months Ended		3 Months Ended		12 Months Ended
	Apr. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Mar. 31, 2020 EUR (€)	Dec. 31, 2019 EUR (€)	Jan. 31, 2015 USD ($)
Debt instrument
CARRYING VALUE		$ 6,745.2	$ 6,745.2		$ 6,274.4
Long-term debt, current maturities		(1.2)	(1.2)		(300.9)
Long-term debt		6,744.0	6,744.0		5,973.5
Interest
Interest expense			52.7	$ 56.1
Interest income			(4.6)	(6.7)
Interest expense, net			$ 48.1	$ 49.4
Public Notes
Debt instrument
Principal outstanding payable at time of prepayment of notes (as a percent)			101.00%
Private Notes
Debt instrument
Principal outstanding payable at time of prepayment of notes (as a percent)			100.00%
Ten year 2011 senior notes
Debt instrument
CARRYING VALUE		1,018.6	$ 1,018.6		1,018.3
Aggregate principal amount		1,020.0	$ 1,020.0		1,020.0
Debt instrument, term			10 years
Thirty year 2011 senior notes
Debt instrument
CARRYING VALUE		452.0	$ 452.0		451.9
Aggregate principal amount		458.0	$ 458.0		458.0
Debt instrument, term			30 years
Five year 2017 senior notes
Debt instrument
CARRYING VALUE		498.0	$ 498.0		497.8
Aggregate principal amount		500.0	$ 500.0		500.0
Debt instrument, term			5 years
Ten year 2017 senior notes
Debt instrument
CARRYING VALUE		495.6	$ 495.6		495.4
Aggregate principal amount		500.0	$ 500.0
Debt instrument, term			10 years
Thirty year 2017 senior notes
Debt instrument
CARRYING VALUE		610.7	$ 610.7		610.4
Aggregate principal amount		700.0	$ 700.0
Debt instrument, term			30 years
Ten year 2020 senior notes
Debt instrument
CARRYING VALUE		766.6	$ 766.6
Aggregate principal amount		$ 750.0	$ 750.0
Effective interest rate (as a percent)		4.58%	4.58%			4.58%
Debt instrument, term		10 years	10 years
Interest rate (as a percent)		4.80%	4.80%			4.80%
Three year 2016 senior notes
Debt instrument
Aggregate principal amount								$ 400.0
Interest rate (as a percent)								2.00%
Seven year 2016 senior Notes
Debt instrument
CARRYING VALUE		$ 398.6	$ 398.6		398.5
Aggregate principal amount		400.0	$ 400.0		400.0
Debt instrument, term			7 years
Seven year 2016 senior euro notes
Debt instrument
CARRYING VALUE		629.4	$ 629.4		628.4
Aggregate principal amount \| €						€ 575	€ 575
Debt instrument, term			7 years
Ten year 2016 senior notes
Debt instrument
CARRYING VALUE		744.7	$ 744.7		744.5
Aggregate principal amount		750.0	$ 750.0		750.0
Debt instrument, term			10 years
Thirty year 2016 senior notes
Debt instrument
CARRYING VALUE		246.3	$ 246.3		246.2
Aggregate principal amount		250.0	$ 250.0		250.0
Debt instrument, term			30 years
Five year 2015 senior notes
Debt instrument
CARRYING VALUE					300.0
Aggregate principal amount					$ 300.0
Debt instrument, term					5 years
Ten Year 2015 senior euro notes
Debt instrument
CARRYING VALUE		630.8	$ 630.8		$ 630.0
Aggregate principal amount \| €						€ 575	€ 575
Debt instrument, term			10 years
Series B private placement senior notes due 2023
Debt instrument
CARRYING VALUE		249.6	$ 249.6		249.6
Aggregate principal amount		250.0	250.0		250.0
Other
Debt instrument
CARRYING VALUE		$ 4.3	$ 4.3		$ 3.4
364-day Revolving Credit Agreement \| Subsequent event
Debt instrument
Debt instrument, term	364 days
Maximum borrowing capacity under the credit agreement	$ 500.0
April 2020 Term Credit Agreement \| Subsequent event
Debt instrument
Maximum borrowing capacity under the credit agreement	$ 305.0