Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Long-term Debt

Long-term debt consisted of the following: 

	Sept. 30, 2021		Sept. 30, 2020		Dec. 31, 2020
	(Dollars in thousands)
Bank debt
Bank revolving loans	$	910,000	$	246,000	$	—
U.S. term loans	400,000		900,000		900,000
Other foreign bank revolving and term loans	36,003		39,825		30,407
Total bank debt	1,346,003		1,185,825		930,407
4¾% Senior Notes	300,000		300,000		300,000
3¼% Senior Notes	753,285		762,223		795,307
4⅛% Senior Notes	600,000		600,000		600,000
2¼% Senior Notes	579,450		586,325		611,775
1.4% Senior Secured Notes	500,000		—		—
Finance leases	69,061		35,035		34,480
Total debt - principal	4,147,799		3,469,408		3,271,969
Less unamortized debt issuance costs and debt discount	21,972		21,638		20,716
Total debt	4,125,827		3,447,770		3,251,253
Less current portion	934,246		284,465		28,036
	$	3,191,581	$	3,163,305	$	3,223,217