Short and Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Schedule Of Outstanding Debt

	December 31,
(In thousands)	2015		2014
2006 Senior notes payable through 2021, 5.41%	$	40,000	$	46,667
2010 Senior notes payable through 2021, 4.00%	100,000		100,000
Senior revolving credit facility maturing in 2020	326,626		105,000
Total	466,626		251,667
Amounts due within one year	6,667		6,667
Long-term debt	$	459,959	$	245,000