SEGMENT AND RELATED INFORMATION: (Tables)

9 Months Ended

Sep. 30, 2015

SEGMENT AND RELATED INFORMATION:

Schedule of financial information relating to Company's segments

			Three Months Ended September 30, 2015
	(in millions)
	Mexican Open-pit		Mexican IMMSA Unit			Peruvian Operations		Corporate, other and eliminations			Consolidated
Net sales outside of segments	$	597.6	$	68.4		$	467.6	$	—		$	1,133.6
Intersegment sales			19.0					(19.0		)	—
Cost of sales (exclusive of depreciation, amortization and depletion)	333.5		80.3			305.1		(48.1		)	670.8
Selling, general and administrative	15.4		1.5			9.0		(2.3		)	23.6
Depreciation, amortization and depletion	62.7		9.0			60.0		(0.1		)	131.6
Exploration	3.4		3.4			2.2		4.7			13.7
Environmental remediation	7.0		—			—		—			7.0
Operating income	$	175.6	$	(6.8	)	$	91.3	$	26.8		286.9
Less:
Interest, net											(61.9		)
Other income (expense)											(4.3		)
Income taxes											(125.3		)
Equity earnings of affiliate											4.0
Non-controlling interest											(1.0		)
Net income attributable to SCC											$	98.4
Capital investment (*)	$	215.2	$	14.0		$	91.2	$	96.2		$	416.6
Property, net	$	4,824.7	$	393.9		$	2,596.3	$	58.0		$	7,872.9
Total assets	$	7,303.4	$	815.8		$	3,530.9	$	1,215.1		$	12,865.2

(*) Corporate, other and eliminations includes $100.4 million purchase of the El Pilar mining property acquisition.

			Three Months Ended September 30, 2014
	(in millions)
	Mexican Open-pit		Mexican IMMSA Unit			Peruvian Operations		Corporate, other and eliminations			Consolidated
Net sales outside of segments	$	750.8	$	75.7		$	648.1	$	—		$	1,474.6
Intersegment sales	—		20.3			—		(20.3		)	—
Cost of sales (exclusive of depreciation, amortization and depletion)	316.8		78.3			376.8		(42.4		)	729.5
Selling, general and administrative	9.7		4.1			11.7		0.8			26.3
Depreciation, amortization and depletion	50.7		8.7			50.2		4.3			113.9
Exploration	0.8		8.4			3.5		7.9			20.6
Environmental remediation	37.2		—			—		—			37.2
Operating income	$	335.6	$	(3.5	)	$	205.9	$	9.1		547.1
Less:
Interest, net											(30.8		)
Other income (expense)											(21.0		)
Income taxes											(175.4		)
Equity earnings of affiliate											5.9
Non-controlling interest											(1.5		)
Net income attributable to SCC											$	324.3
Capital investment	$	310.0	$	12.6		$	84.9	$	3.0		$	410.5
Property, net	$	4,149.6	$	376.8		$	2,535.7	$	127.5		$	7,189.6
Total assets	$	6,516.3	$	877.6		$	3,451.0	$	658.2		$	11,503.1

			Nine Months Ended September 30, 2015
	(in millions)
	Mexican Open-pit		Mexican IMMSA Unit		Peruvian Operations		Corporate, other and eliminations			Consolidated
Net sales outside of segments	$	1,995.3	$	245.8	$	1,550.2	$	—		$	3,791.3
Intersegment sales	—		53.4		—		(53.4		)	—
Cost of sales (exclusive of depreciation, amortization and depletion)	929.8		247.8		947.7		(67.9		)	2,057.4
Selling, general and administrative	36.3		4.9		29.3		2.9			73.4
Depreciation, amortization and depletion	177.2		24.6		170.4		1.7			373.9
Exploration	5.2		8.5		8.5		13.9			36.1
Environmental remediation	23.5		—		—		—			23.5
Operating income	$	823.3	$	13.4	$	394.3	$	(4.0	)	1,227.0
Less:
Interest, net										(136.1		)
Other income (expense)										(9.7		)
Income taxes										(411.6		)
Equity earnings of affiliate										9.5
Non-controlling interest										(3.5		)
Net income attributable to SCC										$	675.6
Capital investment (*)	$	601.2	$	29.4	$	211.7	$	104.1		$	946.4
Property, net	$	4,824.7	$	393.9	$	2,596.3	$	58.0		$	7,872.9
Total assets	$	7,303.4	$	815.8	$	3,530.9	$	1,215.1		$	12,865.2

(*) Corporate, other and eliminations includes $100.4 million purchase of the El Pilar mining property acquisition.

			Nine Months Ended September 30, 2014
	(in millions)
	Mexican Open-pit		Mexican IMMSA Unit		Peruvian Operations		Corporate, other and eliminations			Consolidated
Net sales outside of segments	$	2,171.1	$	259.2	$	1,886.1	—			$	4,316.4
Intersegment sales	—		67.2		—		$	(67.2	)	—
Cost of sales (exclusive of depreciation, amortization and depletion)	858.4		245.7		1,047.0		(53.1		)	2,098.0
Selling, general and administrative	27.5		11.7		34.1		2.9			76.2
Depreciation, amortization and depletion	160.3		24.3		145.8		10.0			340.4
Exploration	2.5		20.8		11.2		22.8			57.3
Environmental remediation	37.2		—		—		—			37.2
Operating income	$	1,085.2	$	23.9	$	648.0	$	(49.8	)	1,707.3
Less:
Interest, net										(100.0		)
Other income (expense)										(31.0		)
Income taxes										(605.3		)
Equity earnings of affiliate										17.8
Non-controlling interest										(3.8		)
Net income attributable to SCC										$	985.0
Capital investment	$	830.0	$	30.8	$	240.3	$	6.4		$	1,107.5
Property, net	$	4,149.6	$	376.8	$	2,535.7	$	127.5		$	7,189.6
Total assets	$	6,516.3	$	877.6	$	3,451.0	$	658.2		$	11,503.1