Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2018

Debt Disclosure [Abstract]

Long-Term Debt

Long-term debt consisted of the following at December 31, 2018 and 2017 (in thousands):

	December 31,
	2018		2017
1.875% Senior notes, net of unamortized discount and debt issuance costs of $2,841 at December 31, 2018 and $3,971 at December 31, 2017	444,155		463,575
4.15% Senior notes, net of unamortized discount and debt issuance costs of $2,884 at December 31, 2018 and $3,372 at December 31, 2017	422,116		421,628
4.50% Senior notes, net of unamortized discount and debt issuance costs of $589 at December 31, 2018 and $891 at December 31, 2017	174,626		174,325
5.45% Senior notes, net of unamortized discount and debt issuance costs of $4,004 at December 31, 2018 and $4,159 at December 31, 2017	345,996		345,841
Commercial paper notes	306,606		421,321
Variable-rate foreign bank loans	7,216		5,298
Other	4,495		5,384
Total long-term debt	1,705,210		1,837,372
Less amounts due within one year	307,294		422,012
Long-term debt, less current portion	$	1,397,916	$	1,415,360