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DEBT | 12 Months Ended
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Dec. 31, 2021
DEBT |
DEBT | NOTE 9 – DEBT At December 31, 2021 and 2020, debt consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2021 |  | 2020
Long-term debt |  | ​ |  |  | ​ |
Senior Unsecured Notes due through 2045, interest at 2.8% to 4.0% (net of debt issuance costs of $1,074 and $1,178 at December 31, 2021 and 2020, respectively) | ​ | $ | 704,313 | ​ | $ | 704,886
Other borrowings due through 2030, interest up to 2.2% | ​ |  | 13,542 | ​ |  | 10,681
​ | ​ |  | 717,855 | ​ |  | 715,567
Less current portion | ​ |  | 766 | ​ |  | 111
Long-term debt, less current portion | ​ |  | 717,089 | ​ |  | 715,456
Short-term debt | ​ |  | ​ | ​ |  |
Amounts due banks, weighted average interest at 1.8% in 2021 and 17.9% in 2020 | ​ |  | 51,964 | ​ |  | 2,623
Current portion long-term debt | ​ |  | 766 | ​ |  | 111
Total short-term debt | ​ |  | 52,730 | ​ |  | 2,734
Total debt | ​ | $ | 769,819 | ​ | $ | 718,190
​ At December 31, 2021 and 2020, the fair value of long-term debt, including the current portion, was approximately $776,655 and $793,591, respectively, which was determined using available market information and methodologies requiring judgment. The carrying value of this debt at such dates was $717,855 and $715,567, respectively. Since judgment is required in interpreting market information, the fair value of the debt is not necessarily the amount which could be realized in a current market exchange. Senior Unsecured Notes On April 1, 2015 and October 20, 2016, the Company entered into separate Note Purchase Agreements pursuant to which it issued senior unsecured notes (the "Notes") through a private placement. Interest on the Notes is paid semi-annually. The proceeds of the Notes were used for general corporate purposes. The Notes contain certain affirmative and negative covenants. As of December 31, 2021, the Company was in compliance with all of its debt covenants relating to the Notes. The maturity and interest rates of the 2015 Notes and 2016 Notes are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Amount |  | Maturity Date |  | Interest Rate |
2015 Notes |  | ​ |  |  |  |  |  | ​
Series A | ​ | $ | 100,000 | ​ | August 20, 2025 |  | 3.15 | %
Series B | ​ |  | 100,000 | ​ | August 20, 2030 |  | 3.35 | %
Series C | ​ |  | 50,000 | ​ | April 1, 2035 |  | 3.61 | %
Series D | ​ |  | 100,000 | ​ | April 1, 2045 |  | 4.02 | %
2016 Notes | ​ |  |  | ​ |  |  |  | ​
Series A | ​ | $ | 100,000 | ​ | October 20, 2028 |  | 2.75 | %
Series B | ​ |  | 100,000 | ​ | October 20, 2033 |  | 3.03 | %
Series C | ​ |  | 100,000 | ​ | October 20, 2037 |  | 3.27 | %
Series D | ​ |  | 50,000 | ​ | October 20, 2041 |  | 3.52 | %
​ The Company’s total weighted average effective interest rate and remaining weighted average term, inclusive of the 2015 Notes and 2016 Notes, is 3.3% and 12.4 years, respectively. Revolving Credit Agreement On April 23, 2021, the Company amended and restated the agreement governing its line of credit by entering into the Second Amended and Restated Credit Agreement (“Credit Agreement”). The Credit Agreement has a line of credit totaling $500,000, has a term of 5 years with a maturity date of April 23, 2026 and may be increased, subject to certain conditions including the consent of its lenders, by an additional amount up to $150,000. The interest rate on borrowings is based on LIBOR plus a spread based on the Company’s net leverage ratio. The Credit Agreement contains customary representations and warranties, as well as customary affirmative, negative and financial covenants for credit facilities of this type (subject to negotiated baskets and exceptions), including limitations on the Company and its subsidiaries with respect to liens, investments, distributions, mergers and acquisitions, dispositions of assets and transactions with affiliates. As of December 31, 2021, the Company was in compliance with all of its covenants and had $40,000 of outstanding borrowings under the Credit Agreement. The Company has other lines of credit totaling $91,309. As of December 31, 2021 the Company was in compliance with all of its covenants and had $11,964 outstanding at December 31, 2021. Shelf Agreements On November 27, 2018, the Company entered into seven uncommitted master note facilities (the "Shelf Agreements") that allow borrowings up to $700,000 in the aggregate. The Shelf Agreements have a term of 5 years and the average life of borrowings cannot exceed 15 years. The Company is required to comply with covenants similar to those contained in the 2015 Notes and 2016 Notes. As of December 31, 2021, the Company was in compliance with all of its covenants and had no outstanding borrowings under the Shelf Agreements. Other Maturities of long-term debt, including payments for amounts due banks, for the five years succeeding December 31, 2021 are $52,730 in 2022, $11,269 in 2023, $228 in 2024, $100,228 in 2025, $228 in 2026 and $600,911 thereafter. Total interest paid was $23,752 in 2021, $26,332 in 2020 and $24,950 in 2019. The difference between interest paid and interest expense is due to the accrual of interest associated with the Senior Unsecured Notes and interest rate derivative contracts discussed in Note 15 to the consolidated financial statements.

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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 http://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 http://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 http://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 http://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 http://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 http://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 http://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 http://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 http://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 http://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 http://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 http://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 http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611 + Details
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