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Commitments and Contingencies, Asbestos (Details) - Asbestos [Member]
$ in Millions
1 Months Ended 214 Months Ended
Feb. 28, 2019
USD ($)
Dec. 31, 2018
USD ($)
Nov. 30, 2018
USD ($)
Aug. 31, 2018
USD ($)
Jun. 30, 2019
USD ($)
Claim
Asbestos [Abstract]          
Pending claims, approximate number | Claim         1,540
Payments for settled claims         $ 29.8
Compensatory damages, gross amount     $ 8.6    
Compensatory damages, amount of company responsibility $ 7.6   $ 7.4    
Litigation settlement accrued interest rate 10.00%        
Minimum [Member]          
Asbestos [Abstract]          
Range of possible loss   $ 46.7   $ 37.1  
Maximum [Member]          
Asbestos [Abstract]          
Range of possible loss   83.9   56.9  
Discontinued Operations [Member]          
Asbestos [Abstract]          
Incremental pre-tax provision   10.1   $ 3.5  
Discontinued Operations [Member] | Minimum [Member]          
Asbestos [Abstract]          
Range of possible loss   45.0      
Discontinued Operations [Member] | Maximum [Member]          
Asbestos [Abstract]          
Range of possible loss   $ 83.1