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INCOME TAXES - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2015	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 75.4	$ 41.0	$ 29.3	$ 51.1	$ 43.6
Income tax expense, percentage of pre-tax income	19.20%	13.90%		7.60%	7.40%
Total gross unrecognized tax benefits	$ 87.8			$ 87.8		$ 78.8

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- Definition

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

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

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