DEBT AND OTHER OBLIGATIONS - Other Financing Obligations (Details) $ in Millions	1 Months Ended	3 Months Ended	9 Months Ended
	Nov. 30, 2022 USD ($) extension_option	Sep. 30, 2023 USD ($)	Sep. 30, 2024	Sep. 30, 2023 USD ($)
Debt Instrument [Line Items]
Other income		$ 0.0		$ 1.4
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Software Licenses Under Delivery Order
Debt Instrument [Line Items]
Consideration received	$ 9.1
Number of exercisable options | extension_option	3
Period of exercisable extension options			12 months