COMMITMENTS AND CONTINGENCIES Roll Forward of Asbestos Liability and Related Assets (Detail) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Net Asbestos Liability Rollforward [Line Items]
Beginning balance		$ (487.3)	$ (430.8)
Asbestos provision(a)	[1]	2.4	11.8
Insurance settlement agreements		0.0	(52.5)
Net cash activity(a)	[1]	(1.6)	(6.1)
Ending balance		(488.1)	(384.0)
Asbestos-related liabilities Current		91.6	86.3	$ 91.4
Asbestos-related liabilities Non-Current		818.3	718.5	840.6
Asbestos-related assets Current		91.0	67.2	91.0
Asbestos-related assets Non-Current		330.8	353.6	$ 353.7
Liability [Member]
Net Asbestos Liability Rollforward [Line Items]
Beginning balance		(932.0)	(817.6)
Asbestos provision(a)		1.4	14.5
Insurance settlement agreements		0.0	0.0
Net cash activity(a)		(23.5)	(27.3)
Ending balance		(909.9)	(804.8)
Assets [Member]
Net Asbestos Liability Rollforward [Line Items]
Beginning balance		444.7	386.8
Asbestos provision(a)		1.0	(2.7)
Insurance settlement agreements		0.0	(52.5)
Net cash activity(a)		21.9	21.2
Ending balance		$ 421.8	$ 420.8

[1] Includes certain administrative costs such as legal-related costs for insurance asset recoveries. The asbestos provision in the first quarter of 2020 includes amounts to maintain a rolling 10-year provision prior to the transition to a full horizon estimate.