SHAREHOLDERS' EQUITY (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jul. 28, 2022	Nov. 01, 2021	Apr. 26, 2018
Equity, Class of Treasury Stock [Line Items]
Cost of common stock repurchased and retired	$ 711.3	$ 1,350.7	$ 251.9
Stock options exercised (in shares)	1.0	1.1	3.4
Total value of stock options exercised	$ 25.4	$ 25.7	$ 72.4
Foreign currency translation adjustment [Roll Forward]
Beginning balance	(38.6)	(10.9)	19.4
Unrealized (losses) gains	(1.1)	(27.7)	(30.3)
Reclassification adjustments of (gains) losses into income	0.0	0.0	0.0
Tax benefit (provision)	0.0	0.0	0.0
Net change	(1.1)	(27.7)	(30.3)
Ending balance	(39.7)	(38.6)	(10.9)
Unrealized gains (losses) on derivative contracts (net of taxes) [Roll Forward]
Beginning balance	(32.5)	22.8	21.4
Unrealized losses	(53.6)	(15.6)	182.0
Reclassification adjustments of (gains) losses into income	72.5	(58.2)	(180.1)
Tax benefit (provision)	(4.8)	18.5	(0.5)
Net change	14.1	(55.3)	1.4
Ending balance	(18.4)	(32.5)	22.8
Pension and postretirement benefits (net of taxes) [Roll Forward]
Beginning balance	(424.8)	(499.9)	(730.7)
Unrealized (losses) gains	(18.1)	72.1	249.7
Reclassification adjustments of (gains) losses into income	0.2	35.5	54.3
Tax benefit (provision)	4.5	(32.5)	(73.2)
Net change	(13.4)	75.1	230.8
Ending balance	(438.2)	(424.8)	(499.9)
Accumulated other comprehensive loss [Roll Forward]
Beginning balance	(495.9)	(488.0)	(689.9)
Unrealized (losses) gains	(72.8)	28.8	401.4
Reclassification adjustments of (gains) losses into income	72.7	(22.7)	(125.8)
Tax benefit (provision)	(0.3)	(14.0)	(73.7)
Net change	(0.4)	(7.9)	201.9
Ending balance	$ (496.3)	$ (495.9)	$ (488.0)
Common Stock
Equity, Class of Treasury Stock [Line Items]
Stock Repurchased and Retired During Period, Shares	13.3	25.7	4.7
Cost of common stock repurchased and retired	$ 711.3	$ 1,350.7	$ 251.9
Common Stock | 2022 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Authorized share repurchase program (in dollars)				$ 2,000.0
Stock Repurchased and Retired During Period, Shares	19.2
Cost of common stock repurchased and retired	$ 1,003.0
Remaining authorized repurchase amount (in dollars)	$ 997.0
Common Stock | 2021 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Authorized share repurchase program (in dollars)					$ 1,000.0
Common Stock | 2018 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Authorized share repurchase program (in dollars)						$ 500.0