SEGMENT AND RELATED INFORMATION: (Tables)

9 Months Ended

Sep. 30, 2013

SEGMENT AND RELATED INFORMATION:

Schedule of income and assets by segments

	Three Months Ended September 30, 2013
	(in millions)
	Mexican Open-pit		Mexican IMMSA Unit		Peruvian Operations		Corporate, other and eliminations			Consolidated
Net sales outside of segments	$	641.0	$	88.2	$	655.3		—		$	1,384.5
Intersegment sales	—		18.2		—		$	(18.2	)	—
Cost of sales (exclusive of depreciation, amortization and depletion)	265.4		74.2		340.9		(14.5		)	666.0
Selling, general and administrative	8.2		3.5		11.7		0.7			24.1
Depreciation, amortization and depletion	46.2		7.6		43.6		4.1			101.5
Exploration	0.7		6.7		4.6		—			12.0
Operating income	$	320.5	$	14.4	$	254.5	$	(8.5	)	580.9
Less:
Interest, net										(43.7		)
Other income (expense)										1.7
Income taxes										(195.2		)
Equity earnings of affiliate										1.8
Non-controlling interest										(1.3		)
Net income attributable to SCC										$	344.2
Capital expenditure	$	335.0	$	13.1	$	122.1	$	18.0		$	488.2
Property, net	$	3,266.5	$	372.5	$	2,330.5	$	62.6		$	6,032.1
Total assets	$	5,474.7	$	882.0	$	3,527.8	$	1,051.2		$	10,935.7

	Three Months Ended September 30, 2012
	(in millions)
	Mexican Open-pit		Mexican IMMSA Unit		Peruvian Operations		Corporate, other and eliminations			Consolidated
Net sales outside of segments	$	784.7	$	86.6	$	681.1	—			$	1,552.4
Intersegment sales	—		22.3		—		$	(22.3	)	—
Cost of sales (exclusive of depreciation, amortization and depletion)	294.5		60.7		341.4		(25.7		)	670.9
Selling, general and administrative	8.4		3.6		11.0		0.7			23.7
Depreciation, amortization and depletion	36.9		6.3		40.1		(2.0		)	81.3
Exploration	1.0		8.3		3.2		—			12.5
Legal fees related to SCC shareholder derivative lawsuit	—		—		—		316.2			316.2
Operating income	$	443.9	$	30.0	$	285.4	$	(311.5	)	447.8
Less:
Interest, net										(25.8		)
Other income (expense)										3.5
Income taxes										(219.8		)
Equity earnings of affiliate										13.6
Non-controlling interest										(1.4		)
Net income attributable to SCC										$	217.9
Capital expenditure	$	133.7	$	12.4	$	70.1	$	42.0		$	258.2
Property, net	$	2,244.6	$	341.2	$	2,146.8	$	123.6		$	4,856.2
Total assets	$	4,082.3	$	807.5	$	3,184.3	$	2,767.7		$	10,841.8

	Nine Months Ended September 30, 2013
	(in millions)
	Mexican Open-pit		Mexican IMMSA Unit		Peruvian Operations		Corporate, other and eliminations			Consolidated
Net sales outside of segments	$	2,227.7	$	268.1	$	1,921.9	—			$	4,417.7
Intersegment sales	—		75.6		—		$	(75.6	)	—
Cost of sales (exclusive of depreciation, amortization and depletion)	982.9		235.7		976.5		(90.1		)	2,105.0
Selling, general and administrative	26.1		11.2		37.0		2.6			76.9
Depreciation, amortization and depletion	129.6		21.4		127.2		7.4			285.6
Exploration	2.4		19.4		12.2		—			34.0
Operating income	$	1,086.7	$	56.0	$	769.0	$	4.5		$	1,916.2
Less:
Interest, net										(137.3		)
Other income (expense)										19.5
Income taxes										(596.9		)
Equity earnings of affiliate										15.2
Non-controlling interest										(4.4		)
Net income attributable to SCC										$	1,212.3
Capital expenditure	$	881.0	$	44.5	$	225.3	$	39.7		$	1,190.5
Property, net	$	3,266.5	$	372.5	$	2,330.5	$	62.6		$	6,032.1
Total assets	$	5,474.7	$	882.0	$	3,527.8	$	1,051.2		$	10,935.7

	Nine Months Ended September 30, 2012
	(in millions)
	Mexican Open-pit		Mexican IMMSA Unit		Peruvian Operations		Corporate, other and eliminations			Consolidated
Net sales outside of segments	$	2,483.3	$	281.3	$	2,253.6	—			$	5,018.2
Intersegment sales	—		98.1		—		$	(98.1	)	—
Cost of sales (exclusive of depreciation, amortization and depletion)	926.2		206.0		1,033.3		(104.8		)	2,060.7
Selling, general and administrative	25.5		10.8		35.6		2.7			74.6
Depreciation, amortization and depletion	106.2		18.9		118.1		(6.6		)	236.6
Exploration	4.2		21.2		8.4		—			33.8
Legal fees related to SCC shareholder derivative lawsuit	—		—		—		316.2			316.2
Operating income	$	1,421.2	$	122.5	$	1,058.2	$	(305.6	)	2,296.3
Less:
Interest, net										(107.0		)
Other income (expense)										29.1
Income taxes										(848.5		)
Equity earnings of affiliate										38.2
Non-controlling interest										(5.3		)
Net income attributable to SCC										$	1,402.8
Capital expenditure	$	537.0	$	40.5	$	158.2	$	(69.8	)	$	665.9
Property, net	$	2,244.6	$	341.2	$	2,146.8	$	123.6		$	4,856.2
Total assets	$	4,082.3	$	807.5	$	3,184.3	$	2,767.7		$	10,841.8