Represents the average percentage of the average value of the functional currency against the reporting currency.

No definition available.

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- Definition

Represents the percentage of appreciation or depreciation of the functional currency against the reporting currency.

+ References

No definition available.

+ Details

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- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

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- Definition

Amount of gain (loss) from the increase (decrease) in fair value of foreign currency derivatives and nonderivative instruments designated as fair value hedging instruments which were recognized in earnings, net of offsets by the gain (loss) on the hedged item to the extent that the fair value hedge was determined to be effective.

+ References

No definition available.

+ Details

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- Definition

Fair value as of the balance sheet date of all derivative assets designated as foreign currency fair value hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(1)

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Fair value as of the balance sheet date of all derivative liabilities designated as foreign currency fair value hedging instruments.

+ References

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- Definition

Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4A

-Subparagraph (b)

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- Definition

Aggregate notional amount of all foreign currency derivatives not designated as hedging instruments. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Aggregate notional amount of all foreign currency derivatives designated as hedging instruments in fair value hedges. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.

+ References

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COMMITMENTS AND CONTINGENCIES (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Exchange rate
Percentage of appreciation or depreciation of Russian ruble against US dollar	6.00%	(5.30%)	(1.00%)
Average increase in percentage of the average value of the Russian Ruble against the US Dollar against corresponding prior period	5.50%
Foreign exchange forward contracts
Assets:
Derivatives designated as hedging instruments	186
Liabilities:
Derivatives designated as hedging instruments	495
Notional amount of fair value hedges	87,917
Notional amount of economic hedges	81,500
Effect of derivative financial instruments designated as fair value hedges on consolidated statement of income
Foreign currency gains (loss)	(1,233)
Effect of outstanding economic hedges
Foreign currency gains (loss)	272
Notional amount of foreign exchange forward contracts	72,000