FINANCING ARRANGEMENTS - Note Hedges and Warrants (Details) - USD ($) $ in Millions	1 Months Ended
May 31, 2021	May 31, 2016
Debt Disclosure [Abstract]
Cost of convertible note hedge		$ 59.1
Proceeds from issuance of warrants		$ 35.5
Received cash proceeds	$ 2.3
Cash consideration	$ 1.3

The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration