Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2018

Long-term debt at December 31 was as follows:



	2018		2017
	(Dollars in thousands)
Bank debt:
Bank revolving loans	$	—	$	—
U.S. term loans	800,000		800,000
Canadian term loans	22,103		27,147
Other foreign bank revolving and term loans	129,697		76,798
Total bank debt	951,800		903,945
5% Senior Notes	—		280,000
5½% Senior Notes	300,000		300,000
4¾% Senior Notes	300,000		300,000
3¼% Senior Notes	744,380		780,325
Other obligations	21,543		—
Total debt - principal	2,317,723		2,564,270
Less unamortized debt issuance costs	13,109		16,979
Total debt	2,304,614		2,547,291
Less current portion	170,214		108,789
	$	2,134,400	$	2,438,502

Aggregate Annual Maturities of Debt

The aggregate annual maturities of our debt (non-U.S. dollar debt has been translated into U.S. dollars at exchange rates in effect at the balance sheet date) are as follows (dollars in thousands):



2019	$	170,214
2020	84,548
2021	83,185
2022	383,257
2023	83,336
Thereafter	1,513,183
	$	2,317,723