Additional Commitment And Contingencies Textuals.

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Commitment And Contingencies Textuals .

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Maximum royalty range for gold prices.

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Minimum royalty range for gold prices.

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Number of labor agreements.

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Percentage of labor force covered by collective bargaining agreements.

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Royalty expenses.

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Royalty To Be Capped In Terms Of Ounces Of Production.

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Volume Related To Net Smelter Return Royalty Of Future Gold Production.

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The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141
-Paragraph 51
-Subparagraph d

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Percentage of voting equity interests acquired in the business combination.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 141R
-Paragraph 68
-Subparagraph c

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Commitment and Contigencies (Details Textuals) (USD $) In Millions, unless otherwise specified	6 Months Ended				3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jul. 07, 1995 Echo Bay [Member]	Jul. 07, 1995 Kensington [Member]	Jul. 07, 1995 Coeur Alaska Inc [Member]	Jun. 30, 2011 Rochester production royalty [Member]	Jun. 30, 2010 Rochester production royalty [Member]	Jun. 30, 2011 Rochester production royalty [Member]	Jun. 30, 2010 Rochester production royalty [Member]
Commitment And Contingencies (Textuals) [Abstract]
Acquisition of ownership interest		50.00%	100.00%
Volume related to net smelter return royalty of future gold production		1,000,000
Purchase price and construction and development expenses				$ 32.5
Maximum royaity range for gold prices	2 1/2% at gold prices above $475 per ounce						5% at at $ 22.87 per ounce
Royalty expenses					$ 0.6	$ 0	$ 0.9	$ 0
Additional Commitment and Contingencies (Textuals) [Abstract]
Number of labor agreements in South America	2
Percentage of labor force covered by collective bargaining agreements	16.00%
Minimum royalty range for gold prices	1% at $400 per ounce
Royalty to be capped in terms of ounces of production	1.0 million ounces