Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2017

Debt Disclosure [Abstract]

Long-term Debt

Long-term debt consisted of the following:

	June 30, 2017		June 30, 2016		Dec. 31, 2016
	(Dollars in thousands)
Bank debt
Bank revolving loans	$	609,593	$	416,501	$	99,500
U.S. term loans	800,000		346,750		310,250
Canadian term loans	35,021		45,833		44,274
Euro term loans	—		232,262		196,668
Other foreign bank revolving and term loans	45,357		104,666		120,500
Total bank debt	1,489,971		1,146,012		771,192
5% Senior Notes	280,000		500,000		500,000
5½% Senior Notes	300,000		300,000		300,000
4¾% Senior Notes	300,000		—		—
3¼% Senior Notes	742,105		—		—
Total debt - principal	3,112,076		1,946,012		1,571,192
Less unamortized debt issuance costs	18,314		10,915		9,609
Total debt	3,093,762		1,935,097		1,561,583
Less current portion	648,850		569,892		217,127
	$	2,444,912	$	1,365,205	$	1,344,456