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COMMITMENTS AND CONTINGENCIES Roll Forward of Asbestos Liability and Related Assets (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Net Asbestos Liability Rollforward [Line Items]      
Asbestos Liability And Related Assets Net Current And Noncurrent - Beginning $ (573.7) $ (630.8)  
Asbestos Related Costs, Provision to Maintain 10-Year Forecast Period (14.9) (15.4)  
Gain From Asbestos Insurance Settlement Agreement 0.0 2.6  
Cash Payments 13.0 4.3  
Asbestos Liability And Related Assets Net Current And Noncurrent - Ending (575.6) (639.3)  
Asbestos-related liabilities Current 76.3 88.1 $ 76.8
Asbestos-related liabilities Non-Current 866.6 957.0 877.5
Asbestos-related assets Current 66.0 74.5 66.0
Asbestos-related assets Non-Current 301.3 331.3 $ 314.6
Liability [Member]      
Net Asbestos Liability Rollforward [Line Items]      
Asbestos Liability And Related Assets Net Current And Noncurrent - Beginning (954.3) (1,042.8)  
Asbestos Related Costs, Provision to Maintain 10-Year Forecast Period (17.4) (17.8)  
Gain From Asbestos Insurance Settlement Agreement 0.0 0.0  
Cash Payments 28.8 15.5  
Asbestos Liability And Related Assets Net Current And Noncurrent - Ending (942.9) (1,045.1)  
Assets [Member]      
Net Asbestos Liability Rollforward [Line Items]      
Asbestos Liability And Related Assets Net Current And Noncurrent - Beginning 380.6 412.0  
Asbestos Related Costs, Provision to Maintain 10-Year Forecast Period 2.5 2.4  
Gain From Asbestos Insurance Settlement Agreement 0.0 2.6  
Cash Payments (15.8) (11.2)  
Asbestos Liability And Related Assets Net Current And Noncurrent - Ending $ 367.3 $ 405.8