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SHAREHOLDERS' EQUITY - NARRATIVE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	1 Months Ended	3 Months Ended			4 Months Ended	9 Months Ended
	May 31, 2025	Dec. 31, 2025	Sep. 30, 2025	Sep. 30, 2024	Apr. 30, 2025	Sep. 30, 2025	Sep. 30, 2024
Equity, Class of Treasury Stock [Line Items]
Stock repurchased and retired during period			$ 60.0	$ 90.0		$ 259.9	$ 190.0
Stock repurchase program, remaining repurchase authorized amount			480.4			480.4
Common stock dividends declared			$ 16.6	$ 16.9		$ 50.0	$ 50.8
Dividends (in dollars per share)	$ 0.17				$ 0.16	$ 0.50
Common stock
Equity, Class of Treasury Stock [Line Items]
Stock repurchased and retired during period (in shares)			1,570	2,810		6,675	6,466
Stock repurchased and retired during period				$ 0.1			$ 0.1
Employee benefit plans, net of shares used to pay tax withholdings (in shares)			92	219		897	1,031
Common stock | Forecast
Equity, Class of Treasury Stock [Line Items]
Stock repurchased and retired during period		$ 1.0

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