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Debt (Schedule of Short-Term and Long-Term Debt) (Details)
€ in Millions, $ in Millions

12 Months Ended

Dec. 31, 2023

USD ($)

Dec. 31, 2023

EUR (€)

Dec. 31, 2022

USD ($)

Long-term Debt

Long-term debt

$ 3,425.4

$ 3,422.4

Short-term debt

0.0

16.0

$750.0 million Fixed Rate Notes Due September 2022 Interest Equal To 3.00% [Member]

Long-term Debt

Debt instrument, face amount

$ 750.0

Debt Instrument, maturity date

Sep. 01, 2022

Debt Instrument, Interest Rate, Stated Percentage

3.00%

3.00%

€15.0 million fixed rate notes due May 2023 [Member]

Long-term Debt

Debt instrument, face amount | €

€ 15.0

Debt Instrument, maturity date

May 31, 2023

Debt Instrument, Interest Rate, Stated Percentage

4.30%

4.30%

Short-term debt

$ 0.0

16.0

$750.0 Million Fixed Rate Notes Due March 2025, Interest Equal To 3.00% [Member]

Long-term Debt

Long-term debt

^[1]

749.1

748.4

Debt instrument, face amount

$ 750.0

Debt Instrument, maturity date

Mar. 01, 2025

Debt Instrument, Interest Rate, Stated Percentage

3.00%

3.00%

Debt Instrument, Interest Rate During Period

3.11%

$500.0 Million Fixed Rate Notes Due June 2028, Interest Equal To 3.75% [Member] [Domain]

Long-term Debt

Long-term debt

$ 498.1

497.7

Debt instrument, face amount

$ 500.0

Debt Instrument, maturity date

Jun. 15, 2028

Debt Instrument, Interest Rate, Stated Percentage

3.75%

3.75%

$750.0 million Fixed Rate Notes Due September 2043 Interest Equal To 5.3% [Member]

Long-term Debt

Long-term debt

^[2]

$ 744.0

743.7

Debt instrument, face amount

$ 750.0

Debt Instrument, maturity date

Sep. 01, 2043

Debt Instrument, Interest Rate, Stated Percentage

5.30%

5.30%

Debt Instrument, Interest Rate During Period

4.73%

$700.0 Million Fixed Rate Notes Due June 2048, Interest Equal To 4.15% [Member] [Domain] [Domain]

Long-term Debt

Long-term debt

$ 691.3

690.9

Debt instrument, face amount

$ 700.0

Debt Instrument, maturity date

Jun. 15, 2048

Debt Instrument, Interest Rate, Stated Percentage

4.15%

4.15%

$750.0 Million Fixed Rate Notes Due March 2032, Interest Equal To 2.65%

Long-term Debt

Long-term debt

$ 742.9

$ 741.7

Debt instrument, face amount

$ 750.0

Debt Instrument, maturity date

Mar. 31, 2032

Debt Instrument, Interest Rate, Stated Percentage

2.65%

2.65%

[1]	The company maintained a forward-starting interest rate swap agreement that modified the interest obligation associated with these notes so that the interest payable on the notes effectively became fixed at a rate of 3.11%.
[2]	The company maintained a forward-starting interest rate swap agreement that modified the interest obligation associated with these notes so that the interest payable on the notes effectively became fixed at a rate of 4.73%

X

- Definition

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

+ References

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X

- Definition

The average effective interest rate during the reporting period.

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X

- Definition

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

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X

- Definition

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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X

- References

No definition available.

+ Details

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X

- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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X

- Definition

Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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