Debt (Tables)

3 Months Ended

Mar. 31, 2018

Debt Disclosure [Abstract]

Debt

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

(In thousands)	Maturity Dates	March 31, 2018		December 31, 2017
Unsecured private placement notes
3.95% (net of unamortized debt issuance cost of $392 and $346 for 2018 and 2017, respectively)	2021-2027	$	99,608	$	99,654
3.86% (net of unamortized debt issuance cost of $388 and $343 for 2018 and 2017, respectively)	2019-2025		99,612		99,657
4.86% (net of unamortized debt issuance cost of $215 and $191 for 2018 and 2017, respectively)	2018-2023		55,499		55,523
5.88% (net of unamortized debt issuance cost of $106 and $95 for 2018 and 2017, respectively)	2018-2022		28,465		28,476
5.69% (net of unamortized debt issuance cost of $12 for 2018 and 2017)	2018		5,703		5,703
Debt of foreign subsidiaries
Unsecured bank debt, foreign currency	2018		1,926		1,786
Total debt		$	290,813	$	290,799
Less current maturities			22,640		22,500
Long-term debt		$	268,173	$	268,299