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Debt (Schedule of Short-Term and Long-Term Debt) (Details) € in Millions, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2022 EUR (€) | Dec. 31, 2021 USD ($)
Long-term Debt |  |  |  |
Long-term debt |  | $ 3,422.4 |  | $ 2,695.7
Short-term debt |  | 16.0 |  | 749.4
$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% |
Debt Instrument, Interest Rate During Period |  | 3.32% |  |
Short-term debt |  | $ 0.0 |  | 749.4
€15.0 million fixed rate notes due May 2023 [Member] |  |  |  |
Long-term Debt |  |  |  |
Long-term debt |  | $ 0.0 |  | 16.8
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 |  | $ 16.0 |  | 0.0
$750.0 Million Fixed Rate Notes Due March 2025, Interest Equal To 3.00% [Member] |  |  |  |
Long-term Debt |  |  |  |
Long-term debt | [1] | 748.4 |  | 747.7
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 |  | $ 497.7 |  | 497.2
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] | $ 743.7 |  | 743.4
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 |  | $ 690.9 |  | 690.6
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 |  | $ 741.7 |  | $ 0.0
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%

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