INCOME TAXES (Details) € in Millions, $ in Millions	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2018 EUR (€)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Dec. 31, 2017
INCOME TAXES
Effective income tax rate (as a percent)	9.00%	9.00%	24.60%	17.20%	21.70%
Statutory U.S. rate (as a percent)				21.00%		35.00%
Estimated one-time transition tax	€ 4.8			$ 34.2
Excess tax benefits, share-based compensation		$ 10.7		23.5	$ 29.2
Recognized discrete tax expense (benefit)		(47.2)	$ 8.3	$ (35.2)	$ (24.2)
Net discrete benefit, prior year returns		$ (39.9)

Impact of discrete tax items recognized during the period.

No definition available.

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- Definition

Amount of reasonable estimate for income tax expense for remeasurement of deferred tax asset from change in tax rate pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete.

+ References

No definition available.

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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- References

No definition available.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to revisions of previously reported income tax expense (benefit).

+ References

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