RELATED PARTY TRANSACTIONS: (Tables)

6 Months Ended

Jun. 30, 2020

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,		At December 31,
	2020		2019
Related parties receivable current:
Grupo Mexico and affiliates:
Asarco LLC	$	21.9	$	10.8
AMMINCO Apoyo Administrativo, S.A. de C.V. (“AMMINCO”)		—		0.1
Compania Perforadora Mexico S.A.P.I. de C.V. and affiliates		0.3		0.3
Ferrocarril Mexicano, S.A. de C.V.		0.1
Grupo Mexico		2.7		2.7
Mexico Generadora de Energia S. de R.L. ("MGE")		15.8		15.3
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates		0.2		0.2
Related to the controlling group:
Boutique Bowling de Mexico, S.A. de C.V.		0.1		0.1
Mexico Transportes Aereos, S.A. de C.V. ("Mextransport")		0.9		0.4
Operadora de Cinemas, S.A. de C.V.		0.1		0.1
	$	42.1	$	30.0
Related parties receivable non-current:
Grupo Mexico and affiliates:
Asarco LLC	$	58.5	$	59.5
Related parties payable:
Grupo Mexico and affiliates:
Asarco LLC	$	46.2	$	4.3
AMMINCO		13.0		16.9
Eolica El Retiro, S.A.P.I. de C.V.		0.3		—
Ferrocarril Mexicano, S.A. de C.V.		7.0		6.4
Grupo Mexico		0.9		1.1
MGE		40.0		40.2
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates		17.6		16.0
Related to the controlling group:
Boutique Bowling de Mexico, S.A. de C.V.		0.2		0.2
Mexico Transportes Aereos, S.A. de C.V. (“Mextransport”)		0.4		1.2
Operadora de Cinemas, S.A. de C.V.		0.1		0.1
	$	125.7	$	86.4

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, 2020 and 2019 (in millions):

	2020		2019
Purchase activity
Asarco LLC	$	168.4	$	19.8
AMMINCO		8.9		4.4
Eolica El Retiro, S.A.P.I. de C.V.		0.5		2.0
Ferrocarril Mexicano, S.A. de C.V.		22.2		20.5
Grupo Mexico		5.0		5.0
MGE		105.2		100.7
Mexico Proyectos y Desarrollos S.A. de C.V. and affiliates		25.8		35.6
Total purchases	$	336.0	$	188.0
Sales activity
Asarco LLC	$	11.0	$	5.8
Ferrocarril Mexicano, S.A. de C.V.		—		0.1
MGE		21.2		21.8
Total sales	$	32.2	$	27.7

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 six months ended June 30, 2020 and 2019 (in millions):

	2020		2019
Purchase activity
Boutique Bowling de Mexico S.A. de C.V.	$	0.2	$	0.1
Empresarios Industriales de Mexico, S.A. de C.V.		—		0.1
Mextransport		2.3		0.8
Operadora de Cinemas S.A. de C.V.		0.1		—
Total purchases	$	2.6	$	1.0
Sales activity
Boutique Bowling de Mexico S.A. de C.V.	$	0.1	$	—
Mextransport		0.8		0.9
Operadora de Cinemas S.A. de C.V.		0.1		—
Total sales	$	1.0	$	0.9