Business Acquisition, Percentage of Undivided Interests Acquired

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- Definition

Percentage of Agreed Sale Price as Final Installment Payment

+ References

No definition available.

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- Definition

Sale of Business, Percentage of Ownership Before Transaction

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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- Definition

Aggregate carrying amount, as of the balance sheet date, of investments and other noncurrent assets not separately disclosed in the balance sheet due to materiality considerations. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).

+ References

No definition available.

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- Definition

Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

+ 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 210.5-02.3)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Aggregate carrying amount, as of the balance sheet date, of current assets not separately disclosed in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).

+ 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 210.5-02.8)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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Financing Receivables (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
Financing Receivables (Details) - USD ($) $ in Millions	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2011	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Other current assets	$ 382.4		$ 382.4			$ 305.8
Asset impairment	$ 0.0	$ 0.0	$ 900.8	$ 0.0
Codrilla Mine Project [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of ownership before selldown					85.00%
Percentage of agreed sale price as final installment payment due	40.00%		40.00%
Middlemount Mine [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Equity method investment, ownership percentage	50.00%		50.00%
Basis spread over Australian Bank Bill Swap Reference Rate			3.50%
Asset impairment			$ 136.8
Financing Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Other current assets	$ 24.6		24.6			0.0
Investments and other assets	153.0		153.0			347.2
Total financing receivables	177.6		177.6			347.2
Financing Receivable [Member] \| Codrilla Mine Project [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Other current assets	24.6		24.6
Investments and other assets						27.6
Financing Receivable [Member] \| Middlemount Mine [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Investments and other assets	$ 153.0		$ 153.0			$ 319.6
Codrilla Mine Project [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of undivided interests acquired					73.30%