COMMITMENTS AND CONTINGENCIES Roll Forward of Asbestos Liability and Related Assets (Detail) - USD ($) $ in Millions		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Net Asbestos Liability Rollforward [Line Items]
Asbestos Liability And Related Assets Net Current And Noncurrent - Beginning		$ (430.8)	$ (472.6)
Asbestos Related Costs, Provision to Maintain 10-Year Forecast Period	[1]	23.6	24.4
Gain From Asbestos Insurance Settlement Agreement		(48.3)	0.0
Cash Payments	[1]	(7.6)	(15.8)
Asbestos Liability And Related Assets Net Current And Noncurrent - Ending		(398.5)	(481.2)
Asbestos-related liabilities Current		85.9	72.6	$ 86.0
Asbestos-related liabilities Non-Current		717.9	763.2	731.6
Asbestos-related assets Current		85.9	67.1	67.2
Asbestos-related assets Non-Current		319.4	287.5	$ 319.6
Liability [Member]
Net Asbestos Liability Rollforward [Line Items]
Asbestos Liability And Related Assets Net Current And Noncurrent - Beginning		(817.6)	(849.3)
Asbestos Related Costs, Provision to Maintain 10-Year Forecast Period	[1]	28.9	30.6
Gain From Asbestos Insurance Settlement Agreement		0.0	0.0
Cash Payments	[1]	(42.7)	(44.1)
Asbestos Liability And Related Assets Net Current And Noncurrent - Ending		(803.8)	(835.8)
Assets [Member]
Net Asbestos Liability Rollforward [Line Items]
Asbestos Liability And Related Assets Net Current And Noncurrent - Beginning		386.8	376.7
Asbestos Related Costs, Provision to Maintain 10-Year Forecast Period		(5.3)	(6.2)
Gain From Asbestos Insurance Settlement Agreement		(48.3)	0.0
Cash Payments		35.1	28.3
Asbestos Liability And Related Assets Net Current And Noncurrent - Ending		$ 405.3	$ 354.6

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