Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (16,677)	$ (43,121)	$ (49,965)	$ (80,312)
Adjustments:
Amortization	38,974	41,422	72,064	81,849
Accretion	3,526	4,502	6,676	9,093
Deferred income taxes	(5,053)	(3,844)	(7,237)	(15,705)
Loss on termination of revolving credit facility	0	0	0	3,035
Fair value adjustments, net	(2,754)	8,282	2,130	19,717
Stock-based compensation	2,604	2,385	4,754	4,950
Impairment of equity securities	31	934	1,545	3,522
Other	4,224	(54)	5,303	(869)
Changes in operating assets and liabilities:
Receivables	(2,342)	4,921	214	10,544
Prepaid expenses and other current assets	160	3,551	(1,167)	(4,558)
Inventories	4,649	(1,606)	5,333	(15,519)
Accounts payable and accrued liabilities	9,521	13,118	(6,759)	5,117
CASH PROVIDED BY OPERATING ACTIVITIES	36,863	30,490	32,891	20,864
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(23,677)	(15,356)	(41,297)	(27,292)
Acquisitions, net of cash acquired	(9,152)	(2,250)	(111,170)	(2,250)
Other	(103)	12	(1,676)	(13)
Purchase of short term investments and equity securities	(1,597)	(2,139)	(1,873)	(48,360)
Sales and maturities of short-term investments	399	800	469	890
CASH USED IN INVESTING ACTIVITIES	(34,130)	(18,933)	(155,547)	(77,025)
CASH FLOWS FROM FINANCING ACTIVITIES:
Issuance of notes and bank borrowings	100,000	0	153,500	153,000
Payments on long-term debt, capital leases, and associated costs	(66,626)	(2,851)	(75,220)	(6,962)
Gold production royalty payments	(9,754)	(12,345)	(20,122)	(27,028)
Other	(72)	(160)	(495)	(406)
CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	23,548	(15,356)	57,663	118,604
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	26,281	(3,799)	(64,993)	62,443
Cash and cash equivalents at beginning of period	179,587	272,932	270,861	206,690
Cash and cash equivalents at end of period	$ 205,868	$ 269,133	$ 205,868	$ 269,133