COMMITMENTS AND CONTINGENCIES Roll Forward of Asbestos Liability and Related Assets (Detail) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Net Asbestos Liability Rollforward [Line Items]
Asbestos Liability And Related Assets Net Current And Noncurrent - Beginning		$ (472.6)	$ (508.5)
Asbestos Related Costs, Provision to Maintain 10-Year Forecast Period	[1]	12.6	12.4
Gain From Asbestos Insurance Settlement Agreement		0.0	(32.1)
Cash Payments	[1]	(9.9)	(12.8)
Asbestos Liability And Related Assets Net Current And Noncurrent - Ending		(475.3)	(476.0)
Asbestos-related liabilities Current		73.5	77.4	$ 74.2
Asbestos-related liabilities Non-Current		771.4	792.9	775.1
Asbestos-related assets Current		67.1	64.7	67.1
Asbestos-related assets Non-Current		302.5	329.6	$ 309.6
Liability [Member]
Net Asbestos Liability Rollforward [Line Items]
Asbestos Liability And Related Assets Net Current And Noncurrent - Beginning		(849.3)	(877.2)
Asbestos Related Costs, Provision to Maintain 10-Year Forecast Period	[1]	15.7	15.3
Gain From Asbestos Insurance Settlement Agreement		0.0	0.0
Cash Payments	[1]	(20.1)	(22.2)
Asbestos Liability And Related Assets Net Current And Noncurrent - Ending		(844.9)	(870.3)
Assets [Member]
Net Asbestos Liability Rollforward [Line Items]
Asbestos Liability And Related Assets Net Current And Noncurrent - Beginning		376.7	368.7
Asbestos Related Costs, Provision to Maintain 10-Year Forecast Period		(3.1)	(2.9)
Gain From Asbestos Insurance Settlement Agreement		0.0	(32.1)
Cash Payments		10.2	9.4
Asbestos Liability And Related Assets Net Current And Noncurrent - Ending		$ 369.6	$ 394.3

[1] (a)Includes certain administrative costs such as legal-related costs for insurance asset recoveries.