LONG-TERM DEBT -Schedule of Convertible Debt (Details) - 1.25% Convertible Senior Notes, Due December 2026 $ in Millions	Dec. 31, 2021 USD ($)
Debt Instrument, Redemption [Line Items]
Debt instrument, face amount	$ 2,012.5
Convertible Debt, Total	$ 1,986.8

Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant