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RELATED PARTY TRANSACTIONS: (Tables) | 6 Months Ended
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Jun. 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 June 30, 2018 |  | At December 31, 2017 |
Related parties receivable current: |  |  |  |  |
Grupo Mexico and affiliates: |  |  |  |  |
Mexico Generadora de Energia, S. de R.L. (“MGE”) |  | $ | 8.1 |  | $ | 16.2 |
Asarco LLC |  | 62.1 |  | 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 |
Ferrocarril Mexicano, S.A. de C.V. |  | 0.1 |  | — |
Related to the controlling group: |  |  |  |  |
Mexico Transportes Aereos, S.A. de C.V. (“Mextransport”) |  | 0.8 |  | — |
Operadora de Cinemas, S.A. de C.V. |  | 0.3 |  | 0.3 |
Boutique Bowling de Mexico, S.A. de C.V. |  | 0.2 |  | 0.2 |
|  | $ | 76.2 |  | $ | 26.1 |
|  | At June 30, 2018 |  | At December 31, 2017 |
Related parties payable: |  |  |  |  |
Grupo Mexico and affiliates: |  |  |  |  |
MGE |  | $ | 24.6 |  | $ | 38.5 |
Asarco LLC |  | 15.0 |  | 24.2 |
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates |  | 9.0 |  | 21.7 |
Ferrocarril Mexicano, S.A. de C.V. |  | 3.9 |  | 2.6 |
Eolica El Retiro, S.A.P.I. de C.V. (“Eolica el Retiro”) |  | 0.5 |  | 0.8 |
Grupo Mexico |  | 6.0 |  | 0.7 |
Related to the controlling group: |  |  |  |  |
Operadora de Cinemas, S.A. de C.V. |  | 0.1 |  | 0.7 |
Boutique Bowling de Mexico, S.A. de C.V. |  | 0.1 |  | 0.6 |
Mextransport |  | — |  | 0.3 |
|  | $ | 59.2 |  | $ | 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 six months ended June 30, 2018 and 2017 (in millions):
|  | 2018 |  | 2017 |
Purchase activity |  |  |  |  |
Asarco LLC |  | $ | 24.0 |  | $ | 19.6 |
Eolica El Retiro |  | 1.3 |  | 2.0 |
Ferrocarril Mexicano, S.A de C.V. |  | 22.9 |  | 23.5 |
Grupo Mexico |  | 9.0 |  | 6.9 |
MGE |  | 101.5 |  | 118.9 |
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates |  | 44.5 |  | 72.3 |
Total purchases |  | $ | 203.2 |  | $ | 243.2 |
Sales activity |  |  |  |  |
Asarco LLC |  | $ | 70.9 |  | $ | 82.1 |
Compania Perforadora Mexico, S.A.P.I. de C.V |  | — |  | 0.2 |
Grupo Mexico |  | — |  | 0.2 |
MGE |  | 41.8 |  | 49.4 |
Total sales |  | $ | 112.7 |  | $ | 131.9 |
Related to the controlling group |
RELATED PARTY TRANSACTIONS: |
Schedule of purchase and sales activities with related parties | The following table summarizes the purchase and sale activities with other Larrea family companies in the six months ended June 30, 2018 and 2017 (in millions):
|  | 2018 |  | 2017 |
Purchase activity |  |  |  |  |
Boutique Bowling de Mexico, S.A. de C.V. |  | $ | 0.1 |  | $ | 0.1 |
Mextransport |  | 0.7 |  | 0.4 |
Operadora de Cinemas, S.A. de C.V. |  | 0.1 |  | 0.1 |
Total purchases |  | $ | 0.9 |  | $ | 0.6 |
Sales activity |  |  |  |  |
Boutique Bowling de Mexico, S.A. de C.V. |  | $ | 0.1 |  | $ | 0.1 |
Mextransport |  | 0.7 |  | — |
Operadora de Cinemas, S.A. de C.V. |  | 0.1 |  | 0.1 |
Total sales |  | $ | 0.9 |  | $ | 0.2 |

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