Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2016

Debt Disclosure [Abstract]

Long-term Debt

Long-term debt consisted of the following:

	Sept. 30, 2016		Sept. 30, 2015		Dec. 31, 2015
	(Dollars in thousands)
Bank debt
Bank revolving loans	$	306,557	$	357,044	$	—
U.S. term loans	346,750		365,000		346,750
Canadian term loans	45,393		49,582		47,973
Euro term loans	234,853		246,576		227,434
Other foreign bank revolving and term loans	95,121		113,612		103,661
Total bank debt	1,028,674		1,131,814		725,818
5½% Senior Notes	300,000		300,000		300,000
5% Senior Notes	500,000		500,000		500,000
Total debt - principal	1,828,674		1,931,814		1,525,818
Less unamortized debt issuance costs	10,263		12,924		12,271
Total debt	1,818,411		1,918,890		1,513,547
Less current portion	454,212		482,877		152,398
	$	1,364,199	$	1,436,013	$	1,361,149