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INCOME TAXES (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended			0 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Jan. 02, 2014 MEXICO	Dec. 31, 2013 MEXICO
INCOME TAXES
Foreign income tax rate (as a percent)				30.00%
Withholding tax on dividends paid to nonresident shareholders (as a percent)				10.00%
Extraordinary mining duty as a percentage of gross revenues from the sale of gold, silver and platinum				0.50%
Special mining duty (as a percent)				7.50%
Deductions related to development type costs				$ 0
US Federal and State tax recovery at statutory rate	(68,377)	(31,925)	(21,098)
Reconciling items:
Equity pickup in MSC	(2,924)	(7,292)
Impact of Mexican tax reform					(1,921)
FIN 48 adjustment due to tax years becoming statute barred			(180)
Prior year true ups/acquisitions	(19,016)	781	(8,074)
Adjustment for foreign tax rates	8,680	3,245	1,342
Tax rate changes	(187)	(1,869)	(24)
Imputed interest	171	135	119
Other permanent differences	22,090	(3,259)	8,869
Unrealized foreign exchange rate (loss)/gain	(28,317)	(21,263)	(31)
NOL expired	1,711	(2,696)	2,862
Valuation allowance	34,725	36,899	16,035
Tax Recovery	(53,365)	(27,244)	(180)
Unrecognized tax benefits	$ 0

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