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INCOME TAXES - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 13.6	$ (8.1)
Income tax expense, percentage of pre-tax income	3.00%	(2.60%)
Income Tax Contingency [Line Items]
Income tax expense	$ 13.6	$ (8.1)
Excess tax benefits associated with employee equity plans	$ 73.4	$ 65.4
excess tax benefits associated with employee equity plans (in percent)	16.40%	21.20%

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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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