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Short and Long-Term Debt (Tables) | 12 Months Ended
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Dec. 31, 2016
Debt Disclosure [Abstract] |
Schedule Of Outstanding Debt |
| December 31,
(In thousands) | 2016 |  | 2015
2006 Senior Notes payable through 2021, 5.41%, net of debt issuance costs | $ | 33,333 |  |  | $ | 39,999 |
2010 Senior Notes payable through 2021, 4.00%, net of debt issuance costs | 100,000 |  |  | 100,000 |
2016 Senior Notes payable through 2031, 3.40%, net of debt issuance costs | 67,713 |  |  | — |
Senior revolving credit facility maturing in 2020, net of debt issuance costs | 189,456 |  |  | 324,673 |
Total | 390,502 |  |  | 464,672 |
Amounts due within one year | 26,666 |  |  | 6,650 |
Long-term debt | $ | 363,836 |  |  | $ | 458,022 |

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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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