PREFERRED STOCK AND COMMON SHAREHOLDERS' EQUITY PREFERRED STOCK AND COMMON SHAREHOLDERS' EQUITY - Accumulated Other Comprehensive Earnings (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Accumulated Other Comprehensive Earnings [Roll Forward]
Foreign Currency Translation Adjustments, Beginning balance			$ (264.7)
Other comprehensive income before reclassifications			218.5
Tax effect of adjustments			0.0
Foreign Currency Translation Adjustments, Ending balance	$ (46.2)		(46.2)
Net Benefit Plan Adjustments, Beginning balance			3.1
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment and Tax			1.5
Tax effect of adjustments			(0.4)
Net Benefit Plan Adjustments, Ending balance	4.2		4.2
Accumulated Other Comprehensive Earnings, Beginning balance			(261.6)
Other Comprehensive Income (Loss), before Reclassifications, before Tax			220.0
Provision for income tax related to items of comprehensive earnings	(0.2)	$ (1.1)	(0.4)	$ (0.6)
Accumulated Other Comprehensive Earnings, Ending balance	$ (42.0)		$ (42.0)