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FINANCING ARRANGEMENTS (Tables) | 3 Months Ended
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Mar. 31, 2021
Debt Disclosure [Abstract] |
Components of Short-term and Long-term Debt | The components of our short-term and long-term debt and the associated interest rates were as follows (dollars in thousands):
|  | Average interest rate as of |  |  |  | Carrying value as of
|  | March 31, 2021 |  | December 31, 2020 |  | Maturity |  | March 31, 2021 |  | December 31, 2020
Revolving credit facility |  | 1.21 | % |  | — | % |  | October 2023 |  | $ | 250,000 |  |  | $ | — |
Senior Notes, Series A |  | 3.97 | % |  | 3.97 | % |  | August 2023 |  | 175,000 |  |  | 175,000 |
Senior Notes, Series B |  | 4.26 | % |  | 4.26 | % |  | August 2028 |  | 150,000 |  |  | 150,000 |
Senior Notes, Series C |  | 4.60 | % |  | 4.60 | % |  | August 2033 |  | 175,000 |  |  | 175,000 |
Senior Notes (1) |  | 4.20 | % |  | 4.20 | % |  | April 2028 |  | 593,517 |  |  | 593,301 |
Total debt |  |  |  |  |  |  |  | 1,343,517 |  |  | 1,093,301 |
Less: Current maturities and short-term borrowing |  |  |  |  |  |  |  | (250,000) |  |  | — |
Long-term debt |  |  |  |  |  |  |  | $ | 1,093,517 |  |  | $ | 1,093,301 |
____________________________________________ (1) Net of unamortized discounts and issuance costs.

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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