COMMITMENTS AND CONTINGENCIES Roll Forward of Asbestos Liability and Related Assets (Detail) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2019	Jun. 30, 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]	24.4	25.9
Gain From Asbestos Insurance Settlement Agreement		0.0	(32.1)
Cash Payments	[1]	(15.8)	(30.8)
Asbestos Liability And Related Assets Net Current And Noncurrent - Ending		(481.2)	(471.5)
Asbestos-related liabilities Current		72.6	77.2	$ 74.2
Asbestos-related liabilities Non-Current		763.2	781.6	775.1
Asbestos-related assets Current		67.1	64.7	67.1
Asbestos-related assets Non-Current		287.5	322.6	$ 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]	30.6	32.0
Gain From Asbestos Insurance Settlement Agreement		0.0	0.0
Cash Payments	[1]	(44.1)	(50.4)
Asbestos Liability And Related Assets Net Current And Noncurrent - Ending		(835.8)	(858.8)
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		(6.2)	(6.1)
Gain From Asbestos Insurance Settlement Agreement		0.0	(32.1)
Cash Payments		28.3	19.6
Asbestos Liability And Related Assets Net Current And Noncurrent - Ending		$ 354.6	$ 387.3

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