Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Long-term Debt

Long-term debt at June 30, 2018 and December 31, 2017 consisted of the following (in thousands):

	June 30,		December 31,
	2018		2017
1.875% Senior notes, net of unamortized discount and debt issuance costs of $3,389 at June 30, 2018 and $3,971 at December 31, 2017	$	452,958	$	463,575
4.15% Senior notes, net of unamortized discount and debt issuance costs of $3,128 at June 30, 2018 and $3,372 at December 31, 2017	421,872		421,628
4.50% Senior notes, net of unamortized discount and debt issuance costs of $740 at June 30, 2018 and $891 at December 31, 2017	174,475		174,325
5.45% Senior notes, net of unamortized discount and debt issuance costs of $4,082 at June 30, 2018 and $4,159 at December 31, 2017	345,918		345,841
Commercial paper notes	208,000		421,321
Variable-rate foreign bank loans	7,256		5,298
Other	4,926		5,384
Total long-term debt	1,615,405		1,837,372
Less amounts due within one year	208,681		422,012
Long-term debt, less current portion	$	1,406,724	$	1,415,360