Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (14,219)	$ 3,466	$ (64,185)	$ (76,846)
Adjustments:
Amortization	35,497	41,985	107,560	123,834
Accretion	3,629	3,868	10,305	12,961
Deferred income taxes	(1,233)	(23,437)	(8,470)	(39,142)
Loss on termination of revolving credit facility	0	0	0	3,035
Fair value adjustments, net	(5,786)	(16,105)	(3,657)	3,611
Stock-based compensation	1,639	2,505	6,393	7,455
Impairment of equity securities	483	1,092	2,028	4,614
Foreign exchange and other	8,541	1,683	13,845	815
Changes in operating assets and liabilities:
Receivables	11,011	7,446	11,225	18,297
Prepaid expenses and other current assets	(2,055)	3,871	(3,222)	(687)
Inventories	5,380	9,698	10,713	(5,821)
Accounts payable and accrued liabilities	(6,650)	(4,806)	(13,407)	311
CASH PROVIDED BY OPERATING ACTIVITIES	36,237	31,266	69,128	52,437
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(23,861)	(16,784)	(65,158)	(44,076)
Acquisitions, net of cash acquired	(122)	(13,829)	(111,290)	(16,079)
Other	340	74	(1,338)	61
Purchase of short term investments and equity securities	(3)	(2,089)	(1,876)	(50,423)
Sales and maturities of short-term investments	60	2,856	529	3,413
CASH USED IN INVESTING ACTIVITIES	(23,586)	(29,772)	(179,133)	(107,104)
CASH FLOWS FROM FINANCING ACTIVITIES:
Issuance of notes and bank borrowings	0	0	153,500	153,000
Payments on long-term debt, capital leases, and associated costs	(2,618)	(13,274)	(77,838)	(20,236)
Gold production royalty payments	10,159	11,351	30,281	38,379
Other	(34)	(77)	(529)	(483)
CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	(12,811)	(24,702)	44,852	93,902
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(160)	(23,208)	(65,153)	39,235
Cash and cash equivalents at beginning of period	205,868	269,133	270,861	206,690
Cash and cash equivalents at end of period	$ 205,708	$ 245,925	$ 205,708	$ 245,925