Accretion of debt discount.

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- Definition

Accretion Of Royalty Obligation.

+ Details

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- Definition

Debt Current Noncurrent And Capital Lease Obligations.

+ Details

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- Definition

The component of interest income or expense representing the periodic increase in or charge against earnings to reflect amortization of debt discounts and premiums over the life of the related debt instruments, which are liabilities of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 21
-Paragraph 16

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 8
-Article 5

+ Details

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- Definition

Carrying value as of the balance sheet date of the sum of short-term debt and current maturities of long-term debt and capital lease obligations, which are due within one year (or one business cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19
-Article 5

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

The amount of interest that was capitalized during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 34
-Paragraph 21
-Subparagraph b

+ Details

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- Definition

Total interest costs incurred during the period and either capitalized or charged against earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 34
-Paragraph 21

+ Details

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Balance Type:	debit
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- Details

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- Definition

Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 8
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 34
-Paragraph 21

+ Details

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- Definition

Sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year from the balance sheet date or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer plus capital lease obligations due to be paid more than one year after the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section H

+ Details

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Long-Term Debt and Capital Lease Obligation (Details) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Long term debt and capital lease obligations
Current	$ 55,839		$ 55,839		$ 63,317
Non-current	135,322		135,322		130,067
Interest expenses incurred for various debt instruments
Accretion of Franco Nevada royalty obligation	5,770	4,973	11,037	9,965
Amortization of debt issuance costs	559	836	1,183	1,118
Accretion of debt discount	576	579	1,137	1,949
Capitalized interest	(238)	(4,225)	(415)	(8,375,000)
Total interest expense	9,268	5,646	18,573	11,451
3.25% Convertible Senior Notes due March 2028 [Member]
Long term debt and capital lease obligations
Current	0		0		0
Non-current	44,357		44,357		43,220
Interest expenses incurred for various debt instruments
Interest Expense, Debt	395	444	791	1,604
1.25% Convertible Senior Notes due January 2024 [Member]
Long term debt and capital lease obligations
Current	0		0		1,859
Non-current	0		0		0
Interest expenses incurred for various debt instruments
Interest Expense, Debt		6	1	17
Senior Term Notes due December 31, 2012 [Member]
Long term debt and capital lease obligations
Current	15,000		15,000		15,000
Non-current	7,500		7,500		15,000
Interest expenses incurred for various debt instruments
Interest Expense, Debt	427	1,490	914	2,501
Capital Lease Obligations [Member]
Long term debt and capital lease obligations
Current	18,799		18,799		15,759
Non-current	15,341		15,341		23,483
Interest expenses incurred for various debt instruments
Interest Expense, Debt	472	542	938	1,006
Kensington Term Facility [Member]
Long term debt and capital lease obligations
Current	21,648		21,648		25,908
Non-current	68,124		68,124		48,322
Interest expenses incurred for various debt instruments
Interest Expense, Debt	1,162	458	2,267	754
Other [Member]
Long term debt and capital lease obligations
Current	392		392		4,791
Non-current	0		0		42
Other debt obligations [Member]
Interest expenses incurred for various debt instruments
Interest Expense, Debt	145	410	613	575
Gold lease facility [Member]
Interest expenses incurred for various debt instruments
Interest Expense, Debt		$ 133	$ 107	$ 337