LOSS PER SHARE - Computation of Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Computation of Basic and diluted loss per share:
Net loss	$ (11.9)	$ (262.0)
Weighted average shares outstanding—basic (in shares)	180.8	172.3
Basic loss per share (in dollars per share)	$ (0.07)	$ (1.52)
Diluted loss per share (in dollars per share)	$ (0.07)	$ (1.52)