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Summarized Balance Sheet Information for Vasconia in USD and MXN (Detail) - Grupo Vasconia S.A.B.
$ in Thousands, $ in Thousands
Dec. 31, 2017
USD ($)
Dec. 31, 2017
MXN ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2016
MXN ($)
Schedule of Equity Method Investments [Line Items]        
Current assets $ 91,157 $ 1,793,832 $ 81,509 $ 1,687,396
Non-current assets 87,900 1,729,745 83,890 1,736,681
Current liabilities 50,766 998,993 31,303 648,028
Non-current liabilities $ 39,147 $ 770,352 $ 49,408 $ 1,022,842