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Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Schedule of Debt

(In thousands)	June 30, 2018				December 31, 2017
2006 Senior Notes payable through 2021, 5.41%, net of debt issuance costs	$	26,667			$	26,667
2010 Senior Notes payable through 2021, 4.00%, net of debt issuance costs	80,000				80,000
2016 Senior Notes payable through 2031, 3.40%, net of debt issuance costs	72,464				74,139
Senior revolving credit facility maturing in 2020, net of debt issuance costs	251,248				293,693
Total	430,379				474,499
Amounts due within one year, net of debt issuance costs	26,667				26,667
Long-term debt, net of debt issuance costs	$	403,712			$	447,832

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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.

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