Short and Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Schedule Of Outstanding Debt

	December 31,
(In thousands)	2020		2019
2010 Senior Notes payable through 2021, 4.00%, net of debt issuance costs	$	20,000	$	40,000
2016 Senior Notes payable through 2031, 3.40%, net of debt issuance costs	74,926		72,708
Senior revolving credit facility maturing in 2023, net of debt issuance costs	212,231		235,686
Total	307,157		348,394
Short-term debt	20,000		20,000
Long-term debt	$	287,157	$	328,394