INCOME TAXES (Details 6) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Balance, beginning of the period	$ 47.5us-gaap_UnrecognizedTaxBenefits	$ 34.6us-gaap_UnrecognizedTaxBenefits	$ 21.7us-gaap_UnrecognizedTaxBenefits
Additions for current year tax positions	38.1	10.8	10.6
Additions for tax positions of prior years	1.6	2.1	2.3
Impact of Spin-off	(11.2)
Currency fluctuations	(0.3)
Balance, end of the period	$ 75.7us-gaap_UnrecognizedTaxBenefits	$ 47.5us-gaap_UnrecognizedTaxBenefits	$ 34.6us-gaap_UnrecognizedTaxBenefits

Gross amount of decreases in unrecognized tax benefits resulting from spin off

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- Definition

Unrecognized Tax Benefits, Increases Decreases Resulting From Currency Translation

+ References

No definition available.

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- Definition

Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

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- Definition

Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

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