ACCUMULATED OTHER COMPREHENSIVE LOSS - Schedule of Amounts Reclassified from Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Affected Line on Consolidated Condensed Statements of Operations
Other non-operating expense (income), net	$ (1.3)		$ 2.0		$ 1.3	$ 7.7
Cost of sales	(344.4)		(275.5)		(646.0)	(562.4)
Interest income, net	37.4		15.5		73.9	32.0
Provision for income taxes	(64.3)		(20.0)		(134.6)	(66.3)
Net income	331.5	$ 356.4	365.0	$ 351.0	687.9	716.0
Amount Reclassified from Accumulated Other Comprehensive Loss | Foreign currency translation adjustments
Affected Line on Consolidated Condensed Statements of Operations
Other non-operating expense (income), net	1.5		1.8		3.2	3.5
Provision for income taxes	(0.4)		(0.4)		(0.8)	(0.8)
Net income	1.1		1.4		2.4	2.7
Amount Reclassified from Accumulated Other Comprehensive Loss | Gain on hedges
Affected Line on Consolidated Condensed Statements of Operations
Other non-operating expense (income), net	0.0		0.0		0.0	4.8
Cost of sales	10.9		12.5		21.1	14.9
Total before tax	10.9		12.5		21.1	19.7
Provision for income taxes	(2.8)		(3.2)		(5.5)	(4.7)
Net income	8.1		9.3		15.6	15.0
Amount Reclassified from Accumulated Other Comprehensive Loss | Gain (loss) on available-for-sale investments
Affected Line on Consolidated Condensed Statements of Operations
Interest income, net	19.0		(1.0)		36.0	(3.5)
Provision for income taxes	(4.6)		0.3		(8.8)	0.9
Net income	$ 14.4		$ (0.7)		$ 27.2	$ (2.6)