COMMITMENTS AND CONTINGENCIES Roll Forward of Asbestos Liability and Related Assets (Detail) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Net Asbestos Liability Rollforward [Line Items]
Asbestos Liability And Related Assets Net Current And Noncurrent - Beginning		$ (630.8)		$ (630.8)	$ (746.8)
Asbestos Related Costs (Benefit), Provision to Maintain 10-Year Forecast Period	$ (15.2)		$ (15.9)	(30.6)	(31.3)
Change in Defense Cost Estimate for Asbestos Matters				4.9	100.7
Loss (Gain) From Asbestos Insurance Settlement Agreement	(4.7)	2.6		(2.1)	0.0
Increase Decrease Net Cash Activity				11.5	6.5
Asbestos Liability And Related Assets Net Current And Noncurrent - Ending	(647.1)		(670.9)	(647.1)	(670.9)
Asbestos-related liabilities Current	87.4		105.7	87.4	105.7	$ 88.0
Asbestos-related liabilities Non-Current	950.6		999.5	950.6	999.5	954.8
Asbestos-related assets Current	74.5		102.4	74.5	102.4	74.5
Asbestos-related assets Non-Current	316.4		331.9	316.4	331.9	$ 337.5
Liability [Member]
Net Asbestos Liability Rollforward [Line Items]
Asbestos Liability And Related Assets Net Current And Noncurrent - Beginning		(1,042.8)		(1,042.8)	(1,223.2)
Asbestos Related Costs (Benefit), Provision to Maintain 10-Year Forecast Period				(35.4)	(36.6)
Change in Defense Cost Estimate for Asbestos Matters				4.9	124.2
Loss (Gain) From Asbestos Insurance Settlement Agreement				0.0	0.0
Increase Decrease Net Cash Activity				35.3	30.4
Asbestos Liability And Related Assets Net Current And Noncurrent - Ending	(1,038.0)		(1,105.2)	(1,038.0)	(1,105.2)
Assets [Member]
Net Asbestos Liability Rollforward [Line Items]
Asbestos Liability And Related Assets Net Current And Noncurrent - Beginning		$ 412.0		412.0	476.4
Asbestos Related Costs (Benefit), Provision to Maintain 10-Year Forecast Period				4.8	5.3
Change in Defense Cost Estimate for Asbestos Matters				0.0	(23.5)
Loss (Gain) From Asbestos Insurance Settlement Agreement				(2.1)	0.0
Increase Decrease Net Cash Activity				(23.8)	(23.9)
Asbestos Liability And Related Assets Net Current And Noncurrent - Ending	$ 390.9		$ 434.3	$ 390.9	$ 434.3