Long-Term Debt:

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



	March 31,		December 31,
	2018		2017
1.875% Senior notes, net of unamortized discount and debt issuance costs of $3,859 at March 31, 2018 and $3,971 at December 31, 2017	$	482,567	$	463,575
4.15% Senior notes, net of unamortized discount and debt issuance costs of $3,250 at March 31, 2018 and $3,372 at December 31, 2017	421,750		421,628
4.50% Senior notes, net of unamortized discount and debt issuance costs of $815 at March 31, 2018 and $891 at December 31, 2017	174,401		174,325
5.45% Senior notes, net of unamortized discount and debt issuance costs of $4,120 at March 31, 2018 and $4,159 at December 31, 2017	345,880		345,841
Commercial paper notes	38,500		421,321
Variable-rate foreign bank loans	7,560		5,298
Other	5,410		5,384
Total long-term debt	1,476,068		1,837,372
Less amounts due within one year	39,216		422,012
Long-term debt, less current portion	$	1,436,852	$	1,415,360

Current portion of long-term debt at March 31, 2018 consisted primarily of commercial paper notes with a weighted-average interest rate of approximately 2.37% and a weighted-average maturity of 31 days. During the first quarter of 2018, we repaid a net amount of $382.8 million of commercial paper notes using cash on hand.

The carrying value of our 1.875% Euro-denominated senior notes has been designated as an effective hedge of our net investment in certain foreign subsidiaries where the Euro serves as the functional currency, and gains or losses on the revaluation of these senior notes to our reporting currency are recorded in accumulated other comprehensive loss. During the three-month periods ended March 31, 2018 and 2017, losses of $14.4 million and $13.7 million (net of income taxes), respectively, were recorded in accumulated other comprehensive loss in connection with the revaluation of these senior notes to our reporting currency.