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Commitments and Contingencies - Asbestos Narrative (Details)
$ in Millions
9 Months Ended 294 Months Ended
Sep. 30, 2015
claimants
cases
Jun. 30, 2015
USD ($)
Minimum [Member]    
Loss Contingencies [Line Items]    
Estimated Time until Primary Insurance is Exhausted 1 year  
Maximum [Member]    
Loss Contingencies [Line Items]    
Estimated Time until Primary Insurance is Exhausted 2 years  
Asbestos [Member]    
Loss Contingencies [Line Items]    
Total settlement costs | $   $ 7.5
Percentage of settlement and defense costs covered by insurance   40.00%
Asbestos [Member] | Pending Litigation [Member]    
Loss Contingencies [Line Items]    
Number of pending cases | cases 1,056  
Number of pending claims 6,297  
Number of pending claims seeking specific amounts of damages 139