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PROPERTY:

12 Months Ended

Dec. 31, 2015

PROPERTY:

PROPERTY:

NOTE 5-PROPERTY:

		At December 31,
(in millions)		2015			2014
Buildings and equipment		$	11,529.4		$	9,754.0
Construction in progress		1,449.6			2,175.6
Mine development		265.9			255.0
Mineral assets		93.0			—
Land, other than mineral		118.4			100.1
Total property		13,456.3			12,284.7
Accumulated depreciation, amortization and depletion		(5,193.5		)	(4,848.3		)
Total property and mine development, net		$	8,262.8		$	7,436.4

Construction in progress increased in 2015 as a result of the spending on the Company expansion projects. For more detailed information, please see Item 7 “Management Discussion and Analysis of Financial Condition and Results of Operations — Capital Investment Program.”

Depreciation and depletion expense for the years ended December 31, 2015, 2014 and 2013, amounted to $503.6 million, $440.1 million and $393.6 million, respectively.

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- Definition

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13-14)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=51717284&loc=d3e1361-107760

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
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-URI http://asc.fasb.org/extlink&oid=51719941&loc=d3e2921-110230

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