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v3.23.3

Short-term and Long-term Debt - Schedule of Short-term and Long-term Debt (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Schedule Of Debt Instruments [Line Items] |  |
Long term debt | $ 1,201.7 | $ 1,201.0
Total long-term debt | 1,184.4 | 1,183.8
Less: notes payable |  |
Schedule Of Debt Instruments [Line Items] |  |
Less: notes payable | (17.3) | (17.2)
Other |  |
Schedule Of Debt Instruments [Line Items] |  |
Long term debt | $ 1.7 | 1.0
3.25% unsecured notes due 2027 | Unsecured Debt |  |
Schedule Of Debt Instruments [Line Items] |  |
Unsecured notes, interest rate | 3.25% |
Long term debt | $ 300.0 | 300.0
4.10% unsecured notes due 2048 | Unsecured Debt |  |
Schedule Of Debt Instruments [Line Items] |  |
Unsecured notes, interest rate | 4.10% |
Long term debt | $ 400.0 | 400.0
3.10% unsecured notes due 2050 | Unsecured Debt |  |
Schedule Of Debt Instruments [Line Items] |  |
Unsecured notes, interest rate | 3.10% |
Long term debt | $ 500.0 | $ 500.0

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-4 + Details
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