Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2016

Debt Disclosure [Abstract]

Long-term Debt

Long-term debt consisted of the following:

	June 30, 2016		June 30, 2015		Dec. 31, 2015
	(Dollars in thousands)
Bank debt
Bank revolving loans	$	416,501	$	407,000	$	—
U.S. term loans	346,750		365,000		346,750
Canadian term loans	45,833		53,493		47,973
Euro term loans	232,262		246,994		227,434
Other foreign bank revolving and term loans	104,666		111,602		103,661
Total bank debt	1,146,012		1,184,089		725,818
5½% Senior Notes	300,000		300,000		300,000
5% Senior Notes	500,000		500,000		500,000
Total debt - principal	1,946,012		1,984,089		1,525,818
Less unamortized debt issuance costs	10,915		13,587		12,271
Total debt	1,935,097		1,970,502		1,513,547
Less current portion	569,892		532,639		152,398
	$	1,365,205	$	1,437,863	$	1,361,149