Balances and Transactions in Foreign Currencies (Tables)

12 Months Ended

Dec. 31, 2017

Summary of Assets, Liabilities and Transactions in Foreign Currencies

As of December 31, 2017 and 2016, assets and liabilities denominated in foreign currencies, expressed in mexican pesos (contractual amounts) are as follows:


	Assets				Liabilities
Balances	Current		Non-current		Current		Non-current
As of December 31, 2017
U.S. dollars		5,852		—		2,783		53,093
Euros		—		—		1,547		—
As of December 31, 2016
U.S. dollars		2,097		686		3,544		66,995
Euros		—		—		19		—

As of year ended December 31, 2017, 2016 and 2015 transactions denominated in foreign currencies, expressed in mexican pesos (contractual amounts) are as follows:


Transactions	Revenues		Purchases of Raw Materials		Interest Expense		Other
Year ended December 31, 2017 U.S. dollars		653		13,381		2,454		1,544
Year ended December 31, 2017 Euros		—		18		—		—
Year ended December 31, 2016 U.S. dollars		736		13,242		2,235		1,796
Year ended December 31, 2015 U.S. dollars		569		11,458		1,965		1,301