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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 5) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Foreign Currency Translation
Gains and losses due to foreign currency remeasurement	$ 6,033	$ 13,199	$ (6,651)
Net revenues \| Customer concentration \| Maximum
Certain Risks and Concentrations
Threshold for Disclosure (as a percent)	10.00%	10.00%	10.00%
Accounts receivable \| Credit concentration
Certain Risks and Concentrations
Number of distributors with concentration risk	2	2	1
Accounts receivable \| Credit concentration \| Distributor with largest balance
Certain Risks and Concentrations
Percentage of concentration risk	15.00%	14.00%	12.00%
Accounts receivable \| Credit concentration \| Distributor with second largest balance
Certain Risks and Concentrations
Percentage of concentration risk	14.00%	12.00%

The aggregate foreign currency transaction gain (loss) (both realized and unrealized) included in determining net income for the reporting period. Excludes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. For certain enterprises, primarily banks, that are dealers in foreign exchange, foreign currency transaction gains (losses) may be disclosed as dealer gains (losses).

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