Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2017

Debt Disclosure [Abstract]

Long-term Debt

Long-term debt at June 30, 2017 and December 31, 2016 consisted of the following (in thousands):

	June 30,		December 31,
	2017		2016
1.875% Senior notes, net of unamortized discount and debt issuance costs of $4,278 at June 30, 2017 and $7,823 at December 31, 2016	$	441,151	$	719,617
3.00% Senior notes, net of unamortized discount and debt issuance costs of $1,286 at December 31, 2016	—		248,714
4.15% Senior notes, net of unamortized discount and debt issuance costs of $3,615 at June 30, 2017 and $3,859 at December 31, 2016	421,385		421,141
4.50% Senior notes, net of unamortized discount and debt issuance costs of $1,041 at June 30, 2017 and $2,380 at December 31, 2016	174,174		347,620
5.45% Senior notes, net of unamortized discount and debt issuance costs of $4,236 at June 30, 2017 and $4,313 at December 31, 2016	345,764		345,687
Commercial paper notes	307,000		247,503
Variable-rate foreign bank loans	38,742		38,939
Other	361		41
Total long-term debt	1,728,577		2,369,262
Less amounts due within one year	307,109		247,544
Long-term debt, less current portion	$	1,421,468	$	2,121,718