INCOME TAXES - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating Loss Carryforwards [Line Items]
Income tax expense	$ 93.3	$ 3.2	$ 126.3	$ 16.8
Income tax expense, percentage of pre-tax income	22.90%	0.60%	15.60%	1.70%
Excess tax benefits associated with employee equity plans	$ 9.3	$ 43.6	$ 62.3	$ 117.0
Excess tax benefits associated with employee equity plans (in percent)	2.30%	8.30%	7.70%	12.00%
Swiss
Operating Loss Carryforwards [Line Items]
Re-measurement of deferred tax assets		$ 66.4		$ 66.4

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

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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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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