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Financing | 12 Months Ended
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Dec. 31, 2022
Debt Disclosure [Abstract] |
Financing | Financing Our debt as of December 31, 2022 and 2021 consisted of the following:
(in millions) December 31, |  | 2022 |  | 2021
364-Day Credit Agreement |  | $ | 399.6 |  |  | $ | — |
4.45% notes due December 2023 |  | 299.7 |  |  | — |
Total short-term borrowings |  | $ | 699.3 |  |  | $ | — |
4.45% notes due December 2023 |  | $ | — |  |  | $ | 299.4 |
6.55% notes due November 2036 |  | 198.6 |  |  | 198.5 |
4.20% notes due March 2048 |  | 346.5 |  |  | 346.3 |
Other deferred financing costs associated with credit facilities |  | (1.4) |  |  | (1.8) |
Total long-term debt |  | $ | 543.7 |  |  | $ | 842.4 |
Debt discounts and debt issuance costs totaled $5.6 million and $5.7 million as of December 31, 2022 and 2021, respectively, and have been netted against the aggregate principal amounts of the related debt in the components of the debt table above.
364-Day Credit Agreement - On August 11, 2022, the Company entered a new senior unsecured 364-day credit facility (the “364-Day Credit Agreement”) under which it borrowed term loans denominated in U.S. dollars (the “Term Loans”) in an aggregate principal amount of $400 million. Interest on the Term Loans accrues at a rate per annum equal to, at the Company’s option, (a) a base rate (determined in a customary manner), plus a margin of 0.25% or 0.50% that is determined based upon the ratings by S&P and Moody’s of the Company’s senior unsecured long-term debt (the “Index Debt Rating”) or (b) an adjusted Term SOFR (determined in a customary manner) for an interest period to be selected by the Company, plus a margin of 1.25% or 1.50% that is determined based upon the Index Debt Rating. The 364-Day Credit Agreement contains customary affirmative and negative covenants for credit facilities of this type. Commercial paper program - On July 28, 2021, we increased the size of the commercial paper program (“CP Program”) to permit the issuance of short-term, unsecured commercial paper notes in an aggregate principal amount not to exceed $650 million at any time outstanding. We may issue short-term, unsecured commercial paper notes pursuant to the exemption from registration contained in Section 4(a)(2) of the Securities Act of 1933, as amended. Prior to this increase, the CP Program permitted us to issue commercial paper notes in an aggregate principal amount not to exceed $550 million at any time outstanding. The other terms and conditions of the CP Program remain the same. Amounts available under the CP Program may be borrowed, repaid and re-borrowed from time to time. The notes will have maturities of up to 397 days from date of issue. The notes rank at least pari passu with all of our other unsecured and unsubordinated indebtedness. As of December 31, 2022 and 2021, there was no outstanding borrowings, respectively. 4.45% notes due December 2023 - In December 2013, we issued 10 year notes having an aggregate principal amount of $300 million. The notes are unsecured, senior obligations that mature on December 15, 2023 and bear interest at 4.45% per annum, payable semi-annually on June 15 and December 15 of each year. The notes have no sinking fund requirement, but may be redeemed, in whole or part, at our option. These notes do not contain any material debt covenants or cross default provisions. If there is a change in control of the Company, and if as a consequence, the notes are rated below investment grade by both Moody’s Investors Service and Standard & Poor’s, then holders of the notes may require us to repurchase them, in whole or in part, for 101% of the principal amount plus accrued and unpaid interest. Debt issuance costs are deferred and included in long-term debt and are amortized as a component of interest expense over the term of the notes. Including debt issuance cost amortization, these notes have an effective annualized interest rate of 4.56%. The notes were issued under an indenture dated as of December 13, 2013. The indentures contain certain restrictions, including a limitation that restricts our ability and the ability of certain of our subsidiaries to create or incur secured indebtedness, enter into certain sale and leaseback transactions, and consolidate, merge or transfer all or substantially all of our assets and the assets of our subsidiaries. 6.55% notes due November 2036 - In November 2006, we issued 30 year notes having an aggregate principal amount of $200 million. The notes are unsecured, senior obligations of us that mature on November 15, 2036 and bear interest at 6.55% per annum, payable semi-annually on May 15 and November 15 of each year. The notes have no sinking fund requirement, but may be redeemed, in whole or in part, at the option of us. These notes do not contain any material debt covenants or cross default provisions. If there is a change in control of the Company, and if as a consequence, the notes are rated below investment grade by both Moody’s Investors Service and Standard & Poor’s, then holders of the notes may require us to repurchase them, in whole or in part, for 101% of the principal amount plus accrued and unpaid interest. Debt issuance costs are deferred and included in long-term debt and are amortized as a component of interest expense over the term of the notes. Including debt issuance cost amortization, these notes have an effective annualized interest rate of 6.67%. The notes were issued under an indenture dated as of April 1, 1991. The indentures contain certain restrictions, including a limitation that restricts our ability and the ability of certain of our subsidiaries to create or incur secured indebtedness, enter into certain sale and leaseback transactions, and consolidate, merge or transfer all or substantially all of our assets and the assets of our subsidiaries. 4.20% notes due March 2048 - On February 5, 2018, we completed a public offering of $350 million aggregate principal amount of 4.20% Senior Notes due 2048 (the "2048 Notes"). The 2048 Notes bear interest at a rate of 4.20% per annum and mature on March 15, 2048. Interest on the 2048 Notes is payable on March 15 and September 15 of each year, commencing on September 15, 2018. These notes do not contain any material debt covenants or cross default provisions. If there is a change in control of the Company, and if as a consequence, the notes are rated below investment grade by both Moody’s Investors Service and Standard & Poor’s, then holders of the notes may require us to repurchase them, in whole or in part, for 101% of the principal amount plus accrued and unpaid interest. Debt issuance costs are deferred and included in long-term debt and are amortized as a component of interest expense over the term of the notes. Including debt issuance cost amortization, these notes have an effective annualized interest rate of 4.29%. The notes were issued under an indenture dated as of February 5, 2018. The indentures contain certain restrictions, including a limitation that restricts our ability and the ability of certain of our subsidiaries to create or incur secured indebtedness, enter into certain sale and leaseback transactions, and consolidate, merge or transfer all or substantially all of our assets and the assets of our subsidiaries. Other - As of December 31, 2022, we had open standby letters of credit of $66.8 million issued pursuant to a $170.3 million uncommitted Letter of Credit Reimbursement Agreement, and certain other credit lines. As of December 31, 2021, we had open standby letters of credit of $49.5 million issued pursuant to a $162.7 million uncommitted Letter of Credit Reimbursement Agreement, and certain other credit lines. Revolving Credit Facility - On July 28, 2021, we entered into a $650 million, 5-year Revolving Credit Agreement (the “2021 Facility”), which replaced the $550 million revolving credit facility that we had entered into in December 2017. The 2021 Facility allows us to borrow, repay, or to the extent permitted by the agreement, prepay and re-borrow funds at any time prior to the stated maturity date. Interest on loans made under the 2021 Facility accrues, at our option, at a rate per annum equal to (1) a base rate, plus a margin ranging from 0.00% to 0.50% depending upon the ratings by S&P and Moody’s of our senior unsecured long-term debt (the "Index Debt Rating"), or (2) an adjusted LIBO rate or the applicable replacement rate (determined based on “hardwired” LIBOR transition provisions consistent with those published by the Alternative References Rates Committee) for an interest period to be selected by us, plus a margin ranging from 0.805% to 1.50% depending upon the Index Debt Rating. The 2021 Facility contains customary affirmative and negative covenants for credit facilities of this type, including limitations on us and our subsidiaries with respect to indebtedness, liens, mergers, consolidations, liquidations and dissolutions, sales of all or substantially all assets, transactions with affiliates and hedging arrangements. We must also maintain a debt to capitalization ratio not to exceed 0.65 to 1.00 at all times. The 2021 Facility also provides for customary events of default, including failure to pay principal, interest or fees when due, failure to comply with covenants, any representation or warranty made by us or any of our material subsidiaries being false in any material respect, default under certain other material indebtedness, certain insolvency or receivership events affecting us and our material subsidiaries, certain ERISA events, material judgments and a change in control of us. The undrawn portion of this revolving credit agreement is also available to serve as a backstop facility for the issuance of commercial paper. As of December 31, 2022 and 2021, there were no outstanding borrowings. As of December 31, 2022, our total debt to total capitalization ratio was 39.5%, computed as follows:
(in millions) |
Total debt | $ | 1,243.0 |
Equity | 1,904.0 |
Capitalization | $ | 3,147.0 |
Total indebtedness to capitalization | 39.5 | %

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI https://asc.fasb.org/topic&trid=2208564 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (h) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1C -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1I -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1I -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(c)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1C -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1C -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495334-112611 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1E -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1I -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1B -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 + Details
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