Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (43,121)	$ (35,040)	$ (80,312)	$ (22,770)
Adjustments:
Amortization	41,422	56,896	81,849	106,589
Accretion	4,502	5,380	9,093	10,840
Deferred income taxes	(3,844)	12,123	(15,705)	19,548
Loss on termination of revolving credit facility	0	0	3,035	0
Fair value adjustments, net	8,288	(65,754)	18,845	(81,795)
Proceeds From Settlement	0	22,046	0	22,046
Stock-based compensation	2,385	1,617	4,950	2,713
(Gain) loss on Disposition of Assets	(48)	(264)	222	(1,132)
Impairment of marketable securities	934	17,192	3,522	17,227
Other non-cash charges	(12)	234	(219)	(112)
Changes in operating assets and liabilities:
Receivables and other current assets	4,921	4,401	10,544	8,647
Prepaid expenses and other	3,551	2,930	(4,558)	411
Inventories	(1,606)	31,483	(15,519)	10,990
Accounts payable and accrued liabilities	13,118	10,094	5,117	(16,930)
CASH PROVIDED BY OPERATING ACTIVITIES	30,490	63,338	20,864	76,272
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(15,356)	(27,201)	(27,292)	(40,028)
Payments to Acquire Mineral Rights	(2,250)	(101,648)	(2,250)	(113,214)
Purchase of short term investments and marketable securities	(2,139)	(683)	(48,360)	(5,332)
Payments for (Proceeds from) Investments	800	1,522	890	6,344
Other	12	254	(13)	1,209
CASH USED IN INVESTING ACTIVITIES	(18,933)	(127,756)	(77,025)	(151,021)
CASH FLOWS FROM FINANCING ACTIVITIES:
Issuance of notes and bank borrowings	0	0	153,000	300,000
Payments on long-term debt, capital leases, and associated costs	(2,851)	(1,857)	(6,962)	(57,197)
Payments on gold production royalty	(12,345)	(15,480)	(27,028)	(30,929)
Payments for Repurchase of Common Stock	0	0	0	(12,557)
Other	(160)	(25)	(406)	(477)
CASH USED IN FINANCING ACTIVITIES:	(15,356)	(17,362)	118,604	198,840
INCREASE IN CASH AND CASH EQUIVALENTS	(3,799)	(81,780)	62,443	124,091
Cash and cash equivalents at beginning of period	272,932	331,311	206,690	125,440
Cash and cash equivalents at end of period	$ 269,133	$ 249,531	$ 269,133	$ 249,531