XML 100 R88.htm IDEA: XBRL DOCUMENT v3.19.2
Transactions and balances with related parties (Schedule of Balances Receivable from and Payable to Related Parties) (Details) - MXN ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Disclosure of transactions between related parties [line items]        
Accounts receivable $ 15,731 $ 201,464    
Loans to related parties 265,875    
Loans to related parties, long term 1,686,115 3,032,599    
Balances receivable 281,606 201,464    
Total long term 2,334,396 3,680,880    
Accounts payable 334,591 251,676 $ 218,849 $ 7,867
Loans from related parties 980,807 1,010,159 1,012,667
Balance payable 334,591 1,232,484    
Compania Laminadora Vista Hermosa, S.A. de C.V. [Member]        
Disclosure of transactions between related parties [line items]        
Accounts receivable 360 3,056    
Loans to related parties 183,171      
Industrias CH, S.A.B. de C.V. [Member]        
Disclosure of transactions between related parties [line items]        
Accounts receivable 648,281 648,281    
Loans to related parties 730,278 530,281    
Accounts payable 205,879 205,902 204,917  
Loans from related parties 0 226,820 222,626 221,628
Operadora Construalco, S.A. de C.V. [Member]        
Disclosure of transactions between related parties [line items]        
Accounts receivable 548 793    
Compania Manufacturera de Tubos, S.A. de C.V. [Member]        
Disclosure of transactions between related parties [line items]        
Accounts receivable   39,153    
Loans to related parties 44,472      
Accounts payable 6,220    
Operadora Industrial de Herramientas, S.A. de C.V. [Member]        
Disclosure of transactions between related parties [line items]        
Accounts receivable 912 1,731    
Joist del Golfo, S.A. de C.V. [Member]        
Disclosure of transactions between related parties [line items]        
Accounts receivable 6,516 5,328    
Perfiles Comerciales Sigosa, S.A. de C.V. [Member]        
Disclosure of transactions between related parties [line items]        
Accounts receivable 1,597    
Loans to related parties 579,047 806,397    
Accounts payable 2,096 2,122  
Proyectos Comercializadora el Ninzi, S.A. de C.V. [Member]        
Disclosure of transactions between related parties [line items]        
Accounts receivable 145,824    
Loans to related parties 376,790 1,695,921    
Other accounts receivable by operation [Member]        
Disclosure of transactions between related parties [line items]        
Accounts receivable 5,798      
Accounts payable 126,770      
Operadora Compania Mexicana de Tubos S.A. de C.V. [Member]        
Disclosure of transactions between related parties [line items]        
Loans to related parties 38,232      
Aceros y Laminados Sigosa, S.A. de C.V. [Member]        
Disclosure of transactions between related parties [line items]        
Accounts payable 1,854 1,854    
Holding Protel, S.A. de C.V. [Member]        
Disclosure of transactions between related parties [line items]        
Accounts payable 1,593    
Pytsa Industrial, S.A. de C.V. [Member]        
Disclosure of transactions between related parties [line items]        
Accounts payable 3,083    
Operadora Perfiles Sigosa, S.A. de C.V. [Member]        
Disclosure of transactions between related parties [line items]        
Accounts payable 112,587 11,777    
Operadora Pytsa Industrial, S.A. de C.V. [Member]        
Disclosure of transactions between related parties [line items]        
Accounts payable 5,185 20,381    
Tuberias Procarsa, S.A. de C.V. [Member]        
Disclosure of transactions between related parties [line items]        
Accounts payable 1,942 3,866 3,943  
Loans from related parties 0 591,789 618,118 622,061
Procarsa Tube and Pipe Co. [Member]        
Disclosure of transactions between related parties [line items]        
Loans from related parties 0 59,648 62,303 62,303
Pytsa Industrial de Mexico, S.A. de C.V. [Member]        
Disclosure of transactions between related parties [line items]        
Loans from related parties 0 102,550 $ 107,112 $ 106,675
Others [Member]        
Disclosure of transactions between related parties [line items]        
Accounts payable $ 924 $ 1,124