EARNINGS (LOSS) PER SHARE - Reconciliation of Basic Earnings per Share to Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Basic and diluted earnings (loss) from continuing operations per share:
Net earnings (loss), basic	$ (986.2)	$ (271.5)	$ (31.7)
Per share amount, basic (in dollars per share)	$ (10.81)	$ (3.03)	$ (0.36)
Per share amount, diluted (in dollars per share)	$ (10.81)	$ (3.03)	$ (0.36)
Basic and diluted earnings (loss) from discontinued operations per share:
Net earnings (loss), basic	$ 0.0	$ (57.0)	$ 6.5
Per share amount, basic (in dollars per share)	$ 0	$ (0.64)	$ 0.07
Per share amount, diluted (in dollars per share)	$ 0	$ (0.64)	$ 0.07
Continuing Operations
Basic and diluted earnings (loss) from continuing operations per share:
Net earnings (loss), basic	$ (986.2)	$ (271.5)	$ (31.7)
Net earnings (loss), diluted	$ (986.2)	$ (271.5)	$ (31.7)
Outstanding shares, basic (in shares)	91.2	89.5	88.8
Outstanding shares, diluted (in shares)	91.2	89.5	88.8
Per share amount, basic (in dollars per share)	$ (10.81)	$ (3.03)	$ (0.36)
Per share amount, diluted (in dollars per share)	$ (10.81)	$ (3.03)	$ (0.36)
Basic and diluted earnings (loss) from discontinued operations per share:
Outstanding shares, basic (in shares)	91.2	89.5	88.8
Outstanding shares, diluted (in shares)	91.2	89.5	88.8
Discontinued Operations
Basic and diluted earnings (loss) from continuing operations per share:
Outstanding shares, basic (in shares)	0.0	89.5	88.8
Outstanding shares, diluted (in shares)	0.0	89.5	88.8
Basic and diluted earnings (loss) from discontinued operations per share:
Net earnings (loss), basic	$ 0.0	$ (57.0)	$ 6.5
Net earnings (loss), diluted	$ 0.0	$ (57.0)	$ 6.5
Outstanding shares, basic (in shares)	0.0	89.5	88.8
Outstanding shares, diluted (in shares)	0.0	89.5	88.8
Per share amount, basic (in dollars per share)	$ 0	$ (0.64)	$ 0.07
Per share amount, diluted (in dollars per share)	$ 0	$ (0.64)	$ 0.07