STOCK-BASED COMPENSATION - Narrative (Details) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2023 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of common shares available for grant, outstanding (in shares)	62.0	62.0
Nonvested RSUs (in shares)	39.9	39.9
Weighted average fair value of RSAs and RSUs (in dollars per share） | $ / shares	$ 2.84	$ 2.84
Common shares purchased for award (in shares)	22.0	22.0
Weighted average price of shares purchased (in shares) | $ / shares	$ 8.81	$ 8.81
Options granted (in shares)	0.0	0.0
RSU granted (in shares)	0.0	0.0
Stock options cancelled (in shares)	0.7	1.9
RSU forfeited (in shares)	0.5	5.3
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option, unrecognized share-based compensation expense | $	$ 69.4	$ 69.4
Options remaining contractual term		2 years 7 months 6 days
Restricted Stock Units and Restricted Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs and RSAs, unrecognized share-based compensation expense | $	56.8	$ 56.8
Period for recognition		2 years 6 months
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs and RSAs, unrecognized share-based compensation expense | $	$ 15.8	$ 15.8