Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 31,060	$ (22,628)	$ 82,135	$ (86,229)
Add (deduct) non-cash items
Depreciation, depletion and amortization	58,652	37,913	166,334	97,697
Accretion of discount on debt and other assets, net	516	537	1,460	537
Accretion of royalty obligation	4,990	4,778	16,027	14,407
Deferred income taxes	3,084	(7,879)	13,177	(29,269)
Loss on debt extinguishment	784	806	1,640	12,714
Fair value adjustments, net	50,767	17,436	71,360	64,159
(Gain) loss on foreign currency transactions	137	2,144	(600)	3,966
Share-based compensation	457	1,960	5,261	3,969
(Gain) loss on sale of assets	4	(970)	(1,220)	1,835
Other non-cash charges	506	629	1,337	702
Changes in operating assets and liabilities:
Receivables and other current assets	(19,210)	(4,511)	(30,854)	(12,136)
Inventories	23,234	(22,980)	(12,834)	(27,888)
Accounts payable and accrued liabilities	26,930	5,704	15,538	(8,298)
CASH PROVIDED BY OPERATING ACTIVITIES	181,911	12,939	328,761	36,166
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of investments	(8,804)	(15)	(21,914)	(672)
Proceeds from sales and maturities of investments	495	12,477	3,855	13,134
Capital expenditures	(38,099)	(36,783)	(79,780)	(129,439)
Other	1,397	5,902	1,670	5,977
CASH USED IN INVESTING ACTIVITIES	(45,011)	(18,419)	(96,169)	(111,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of notes and bank borrowings		10,755	27,500	145,565
Payments on long-term debt, capital leases, and associated costs	(16,405)	(19,196)	(51,640)	(38,439)
Payments on gold production royalty	(19,510)	(11,302)	(51,569)	(29,836)
Proceeds from gold lease facility		11,915		16,432
Payments on gold lease facility			(13,800)	(17,101)
Proceeds from sale-leaseback transactions				4,853
Additions to restricted assets associated with the Kensington Term Facility		(297)	(1,325)	(1,880)
Other	67	210	6	250
CASH PROVIDED (USED IN) BY FINANCING ACTIVITIES:	(35,848)	(7,915)	(90,828)	79,844
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	101,052	(13,395)	141,764	5,010
Cash and cash equivalents at beginning of period	106,830	41,187	66,118	22,782
Cash and cash equivalents at end of period	$ 207,882	$ 27,792	$ 207,882	$ 27,792