Debt (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Debt

Debt comprised the following at December 31, 2015 and 2014:

(In thousands)	Maturity Dates	December 31, 2015		December 31, 2014
Unsecured private placement notes
3.95%	2021-2027	$	100,000	$	—
3.86%	2019-2025		100,000		100,000
4.86%	2017-2023		65,000		65,000
5.88%	2016-2022		40,000		40,000
5.69%	2016-2018		17,142		22,857
6.86%	2015		—		4,284
Unsecured U.S. bank debt	2019		—		20,000
Debt of foreign subsidiaries
Unsecured bank debt, foreign currency	2016		4,810		12,043
Unsecured bank term loan, foreign currency	2021		3,724		4,840
Secured bank term loan, foreign currency	2015		—		2,723
Secured bank debt, foreign currency	2016		1,947		1,638
Unsecured bank debt, U.S. dollars	2015		—		546
Total debt		$	332,623	$	273,931
Less current maturities			18,806		27,034
Long-term debt		$	313,817	$	246,897

Schedule of Net Interest Expense

Net interest expense for the years ended December 31, 2015, 2014 and 2013, comprised the following:

(In thousands)	2015			2014			2013
Interest expense	$	15,488		$	12,542		$	11,104
Interest income		(217	)		(262	)		(57	)
		15,271			12,280			11,047
Capitalized interest		(738	)		(839	)		(689	)
Interest expense, net	$	14,533		$	11,441		$	10,358