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Debt (Tables) | 9 Months Ended
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Sep. 30, 2021
Debt Disclosure [Abstract] |
Long-term debt outstanding | Long-term debt outstanding was as follows:
| Weighted Average Interest Rate at September 30, 2021 | September 30, 2021 | September 30, 2020 | December 31, 2020
|  | (In thousands)
Senior Notes due on dates ranging from October 22, 2022 to September 15, 2061 | 4.36 | % | $ | 2,025,000 |  | $ | 1,900,000 |  | $ | 1,950,000 |
Commercial paper supported by revolving credit agreements | .35 | % | 168,800 |  | 214,150 |  | 125,600 |
Credit agreements due on June 7, 2024 | 2.54 | % | 94,300 |  | 91,000 |  | 95,900 |
Medium-Term Notes due on dates ranging from September 15, 2027 to March 16, 2029 | 7.32 | % | 35,000 |  | 35,000 |  | 35,000 |
Term Loan Agreement due on September 3, 2032 | 2.00 | % | 7,700 |  | 8,400 |  | 8,400 |
Other notes due on dates ranging from January 2, 2022 to January 1, 2061 | .83 | % | 3,198 |  | 28,284 |  | 4,034 |
Less unamortized debt issuance costs |  | 5,709 |  | 6,526 |  | 5,803 |
Less discount |  | 23 |  | 18 |  | 1 |
Total long-term debt |  | 2,328,266 |  | 2,270,290 |  | 2,213,130 |
Less current maturities |  | 1,548 |  | 1,558 |  | 1,555 |
Net long-term debt |  | $ | 2,326,718 |  | $ | 2,268,732 |  | $ | 2,211,575 |
Schedule of debt maturities | Long-term debt maturities, which excludes unamortized debt issuance costs and discount, at September 30, 2021, were as follows:
| Remainder of 2021 | 2022 | 2023 | 2024 | 2025 | Thereafter
| (In thousands)
Long-term debt maturities | $ | 77 |  | $ | 148,021 |  | $ | 77,921 |  | $ | 324,521 |  | $ | 177,802 |  | $ | 1,605,656 |

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