COMMITMENTS AND CONTINGENCIES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2014	Jun. 30, 2014
Exchange Rate
Percentage of appreciation or depreciation of Russian ruble against US dollar	6.00%	3.00%
Change in average percentage of the average value of the Russian Ruble against the US Dollar against corresponding prior period	10.00%	11.00%
Foreign exchange forward contracts
Effect of derivative financial instruments designated as fair value hedges on consolidated statement of income
Notional amount	$ 162.7	$ 162.7
Effect of outstanding economic hedges
Foreign currency losses not designated as hedging instruments		(1.7)
Nondesignated hedges \| Foreign exchange forward contracts \| Foreign currency
Derivative Financial Instruments
Foreign currency gains (losses) designated as hedging instruments		2.5
Designated hedges \| Foreign exchange forward contracts
Effect of derivative financial instruments designated as fair value hedges on consolidated statement of income
Notional amount	$ 56.6	$ 56.6

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

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

+ References

No definition available.

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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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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.

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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.

+ References

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)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959

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