Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2017

Debt Disclosure [Abstract]

Long-term Debt

Long-term debt consisted of the following:

	March 31, 2017		March 31, 2016		Dec. 31, 2016
	(Dollars in thousands)
Bank debt
Bank revolving loans	$	319,510	$	299,031	$	99,500
U.S. term loans	—		346,750		310,250
Canadian term loans	34,166		45,119		44,274
Euro term loans	—		233,683		196,668
Other foreign bank revolving and term loans	46,507		105,046		120,500
Total bank debt	400,183		1,029,629		771,192
5% Senior Notes	500,000		500,000		500,000
5½% Senior Notes	300,000		300,000		300,000
4¾% Senior Notes	300,000		—		—
3¼% Senior Notes	692,380		—		—
Total debt - principal	2,192,563		1,829,629		1,571,192
Less unamortized debt issuance costs	20,552		11,619		9,609
Total debt	2,172,011		1,818,010		1,561,583
Less current portion	580,247		449,512		217,127
	$	1,591,764	$	1,368,498	$	1,344,456