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Debt And Credit Agreements (Tables) | 12 Months Ended
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Dec. 31, 2018
Debt Disclosure [Abstract] |
Summary Of Total Debt Due And Outstanding | At December 31, 2018, based upon the most restrictive covenant within the Credit Agreement, available credit under the Credit Agreement was approximately $298 million. Total debt due and outstanding at December 31, 2018 is summarized below:
Debt Due and Outstanding at December 31, 2018 (In thousands)
Year Due | Credit Agreement |  | Other |  | Total Debt Due
2019 | $ | — |  |  | $ | — |  |  | $ | — |
2020 | — |  |  | — |  |  | — |
2021 | 101,500 |  |  | — |  |  | 101,500 |
2022 | — |  |  | — |  |  | — |
2023 | — |  |  | — |  |  | — |
Total | $ | 101,500 |  |  | $ | — |  |  | $ | 101,500 |

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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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