Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2020

Debt Disclosure [Abstract]

Long-term Debt

Long-term debt consisted of the following: 

	Sept. 30, 2020		Sept. 30, 2019		Dec. 31, 2019
	(Dollars in thousands)
Bank debt
Bank revolving loans	$	246,000	$	766,000	$	—
U.S. term loans	900,000		800,000		760,000
Canadian term loans	—		15,943		4,703
Other foreign bank revolving and term loans	39,825		37,062		31,127
Total bank debt	1,185,825		1,619,005		795,830
4¾% Senior Notes	300,000		300,000		300,000
3¼% Senior Notes	762,223		708,630		729,755
4⅛% Senior Notes	600,000		—		400,000
2¼% Senior Notes	586,325		—		—
Finance leases	35,035		33,440		33,288
Total debt - principal	3,469,408		2,661,075		2,258,873
Less unamortized debt issuance costs and debt discount	21,638		9,690		14,452
Total debt	3,447,770		2,651,385		2,244,421
Less current portion	284,465		841,430		29,813
	$	3,163,305	$	1,809,955	$	2,214,608