Borrowings and long-term debt (Tables)

12 Months Ended

Dec. 31, 2012

Debt Disclosure [Abstract]

Tabular Disclosure Related To Long Term Borrowings And Debt [Table Text Block]

Borrowings consist of long-term and syndicated loans obtained from international banks. Debt instruments consist of Euro-Notes and issuances in Latin America. The breakdown of borrowings and long-term debt (original maturity of more than one year), together with contractual interest rates, is as follows:

	December 31,
(In thousands of US$)	2012			2011
Borrowings:
At fixed interest rates with due dates from April 2013 to September 2013		1,435			15,696
At floating interest rates with due dates from January 2013 to September 2014		1,296,785			1,426,237
Total borrowings		1,298,220			1,441,933
Debt:
At fixed interest rates with due dates from November 2014 to April 2017		453,373			45,615
At floating interest rates with due dates in March 2015		153,947			-
Total debt		607,320			45,615
Total borrowings and long-term debt outstanding		1,905,540			1,487,548
Average outstanding balance during the year		1,893,580			1,391,440
Maximum outstanding balance at any month-end		2,152,584			1,548,404
Fixed interest rates on debt in U.S. dollars		3.75	%		1.50	%
Range of floating interest rates on borrowings in U.S. dollars		0.68% to 2.40	%		0.62% to 2.30	%
Range of fixed interest rates on borrowings in Mexican pesos		7.60% to 9.90	%		7.50% to 9.90	%
Range of floating interest rates on borrowings and debt in Mexican pesos		5.50% to 6.34	%		5.66% to 6.30	%
Fixed interest rate on debt in Peruvian nuevos soles		6.50	%		6.50	%
Weighted average interest rate at the end of the year		2.92	%		2.16	%
Weighted average interest rate during the year		2.74	%		1.94	%

The balances of long-term debt and borrowings by currency, is as follows:

	December 31,
(In thousands of US$)	2012		2011
Currency
U.S. dollar		1,518,592		1,269,575
Mexican peso		338,760		172,358
Peruvian nuevo sol		48,188		45,615
Total		1,905,540		1,487,548

Schedule of Maturities of Long-term Debt [Table Text Block]

The future remaining maturities of long-term debt and borrowings outstanding as of December 31, 2012, are as follows:

(In thousands of US$)
Due in:	Outstanding
2013	412,151
2014	934,257
2015	153,947
2016	-
2017	405,185
	1,905,540