RELATED PARTY TRANSACTIONS - Subscription Agreement (Details) - USD ($) $ / shares in Units, $ in Millions			1 Months Ended
	Oct. 31, 2024	May 31, 2023	Oct. 31, 2024	Aug. 31, 2024	Mar. 31, 2024	Jun. 30, 2023
2023 Subscription Agreement
Related Party Transaction [Line Items]
Net proceeds received						$ 1,200.0
Ayar | 2023 Subscription Agreement
Related Party Transaction [Line Items]
Consideration to be received on agreement		$ 1,800.0
Net proceeds received						1,800.0
Ayar | 2023 Subscription Agreement | Related Party
Related Party Transaction [Line Items]
Number of shares issued (in shares)		265,693,703
Weighted average price (in dollars per share)		$ 6.83
Consideration to be received on agreement		$ 1,800.0
Net proceeds received						1,800.0
Commissions and other issuance cost						$ 2.0
Ayar | Series A Derivative Liability | Redeemable Convertible Preferred Stock
Related Party Transaction [Line Items]
Number of shares issued (in shares)					100,000
Consideration to be received on agreement					$ 1,000.0
Net proceeds received					997.6
Issuance costs					$ 2.4
Ayar | Series A Derivative Liability | Redeemable Convertible Preferred Stock | Related Party
Related Party Transaction [Line Items]
Number of shares issued (in shares)					100,000
Consideration to be received on agreement					$ 1,000.0
Net proceeds received					997.6
Issuance costs					$ 2.4
Ayar | Series B Derivative Liability | Redeemable Convertible Preferred Stock
Related Party Transaction [Line Items]
Number of shares issued (in shares)				75,000
Consideration to be received on agreement				$ 750.0
Net proceeds received				749.4
Issuance costs				$ 0.6
Ayar | Series B Derivative Liability | Redeemable Convertible Preferred Stock | Related Party
Related Party Transaction [Line Items]
Number of shares issued (in shares)				75,000
Consideration to be received on agreement				$ 750.0
Net proceeds received				749.4
Issuance costs				$ 0.6
Ayar | 2024 Subscription Agreement
Related Party Transaction [Line Items]
Net proceeds received			$ 1,025.7
Ayar | 2024 Subscription Agreement | Related Party
Related Party Transaction [Line Items]
Number of shares issued (in shares)			374,717,927
Weighted average price (in dollars per share)	$ 2.59		$ 2.59
Net proceeds received	$ 1,025.7
Commissions and other issuance cost	$ 0.8
Sale of stock, additional number of shares issued in transaction (in shares)			21,470,459