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RELATED PARTY TRANSACTIONS: (Tables) | 9 Months Ended
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Sep. 30, 2018
RELATED PARTY TRANSACTIONS: |
Schedule of receivable and payable balances with related parties | Receivable and payable balances with related parties are shown below (in millions):
|  | At September 30, 2018 |  | At December 31, 2017 |
Related parties receivable: |  |  |  |  |
Grupo Mexico and affiliates: |  |  |  |  |
Mexico Generadora de Energia, S. de R.L. (“MGE”) |  | $ | 11.1 |  | $ | 16.2 |
Asarco LLC |  | 74.1 |  | 4.1 |
Grupo Mexico |  | 2.7 |  | 2.8 |
Compañia Perforadora Mexico, S.A.P.I. de C.V. and affiliates |  | 1.4 |  | 1.4 |
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates |  | 0.5 |  | 1.1 |
Related to the controlling group: |  |  |  |  |
Mexico Transportes Aereos, S.A. de C.V. (“Mextransport”) |  | 0.2 |  | — |
Operadora de Cinemas, S.A. de C.V. |  | 0.4 |  | 0.3 |
Boutique Bowling de Mexico, S.A. de C.V. |  | 0.3 |  | 0.2 |
|  | $ | 90.7 |  | $ | 26.1 |
|  | At September 30, 2018 |  | At December 31, 2017 |
Related parties payable: |  |  |  |  |
Grupo Mexico and affiliates: |  |  |  |  |
MGE |  | $ | 37.3 |  | $ | 38.5 |
Asarco LLC |  | 10.4 |  | 24.2 |
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates |  | 16.2 |  | 21.7 |
Ferrocarril Mexicano, S.A. de C.V. |  | 7.0 |  | 2.6 |
Eolica El Retiro, S.A.P.I. de C.V. (“Eolica el Retiro”) |  | 0.9 |  | 0.8 |
Grupo Mexico |  | 7.0 |  | 0.7 |
Related to the controlling group: |  |  |  |  |
Operadora de Cinemas, S.A. de C.V. |  | 0.2 |  | 0.7 |
Boutique Bowling de Mexico, S.A. de C.V. |  | 0.2 |  | 0.6 |
Mextransport |  | 0.3 |  | 0.3 |
|  | $ | 79.5 |  | $ | 90.1 |
Grupo Mexico and affiliates |
RELATED PARTY TRANSACTIONS: |
Schedule of purchase and sales activities with related parties | The following table summarizes the purchase and sale activities with Grupo Mexico and its affiliates in the nine months ended September 30, 2018 and 2017 (in millions):
|  | 2018 |  | 2017 |
Purchase activity |  |  |  |  |
Asarco LLC |  | $ | 30.0 |  | $ | 29.6 |
Eolica El Retiro, S.A.P.I. de C.V. |  | 2.2 |  | 2.4 |
Ferrocarril Mexicano, S.A de C.V. |  | 33.0 |  | 34.2 |
Grupo Mexico |  | 13.5 |  | 10.5 |
MGE |  | 144.4 |  | 168.5 |
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates |  | 63.1 |  | 92.8 |
Total purchases |  | $ | 286.2 |  | $ | 338.0 |
Sales activity |  |  |  |  |
Asarco LLC |  | $ | 82.8 |  | $ | 94.1 |
Compania Perforadora Mexico, S.A.P.I. de C.V and affiliates |  | — |  | 0.2 |
Grupo Mexico |  | — |  | 0.1 |
MGE |  | 52.3 |  | 77.8 |
Total sales |  | $ | 135.1 |  | $ | 172.2 |
Related to the controlling group |
RELATED PARTY TRANSACTIONS: |
Schedule of purchase and sales activities with related parties | The following table summarizes the purchase and sales activities with other Larrea family companies in the nine months ended September 30, 2018 and 2017 (in millions):
|  | 2018 |  | 2017 |
Purchase activity |  |  |  |  |
Boutique Bowling de Mexico, S.A. de C.V. |  | $ | 0.2 |  | $ | 0.2 |
Mextransport |  | 1.1 |  | 0.4 |
Operadora de Cinemas, S.A. de C.V. |  | 0.1 |  | 0.1 |
Total purchases |  | $ | 1.4 |  | $ | 0.7 |
Sales activity |  |  |  |  |
Boutique Bowling de Mexico, S.A. de C.V. |  | $ | 0.2 |  | $ | 0.2 |
Mextransport |  | 1.2 |  | 0.3 |
Operadora de Cinemas, S.A. de C.V. |  | 0.1 |  | 0.1 |
Total sales |  | $ | 1.5 |  | $ | 0.6 |

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