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EARNINGS PER SHARE (Reconciliation of Basic Earnings Per Share to Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Per Share Amount [Abstract]
Income (Loss) from Continuing Operations, Per Diluted Share	$ 2.52	$ 2.69
Weighted Average Number of Shares Outstanding, Diluted	84.3	84.7
Net Income (Loss) Available to Common Stockholders, Diluted	$ 212.8	$ 228.0
Dilutive effect of employee stock options and awards, (in shares)	0.7	0.6
Income (Loss) from Continuing Operations, Per Basic Share	$ 2.54	$ 2.71
Net earnings, basic (in shares)	83.6	84.1
Net earnings attributable to LHI	$ 212.8

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