Debt (Tables)

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Debt

At June 30, 2018, and December 31, 2017, debt comprised the following: 

(In thousands)	Maturity Dates	June 30, 2018		December 31, 2017
Unsecured private placement notes
3.95% (net of unamortized debt issuance cost of $381 and $346 for 2018 and 2017, respectively)	2021-2027	$	99,619	$	99,654
3.86% (net of unamortized debt issuance cost of $375 and $343 for 2018 and 2017, respectively)	2019-2025		99,625		99,657
4.86% (net of unamortized debt issuance cost of $205 and $191 for 2018 and 2017, respectively)	2018-2023		55,509		55,523
5.88% (net of unamortized debt issuance cost of $99 and $95 for 2018 and 2017, respectively)	2018-2022		22,758		28,476
5.69% (net of unamortized debt issuance cost of $7 and $12 for 2018 and 2017, respectively)	2018		5,707		5,703
Debt of foreign subsidiaries
Unsecured bank debt, foreign currency	2018		3,598		1,786
Total debt		$	286,816	$	290,799
Less current maturities			24,312		22,500
Long-term debt		$	262,504	$	268,299