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Commitments and Contingencies (Details)
$ in Thousands
3 Months Ended 9 Months Ended 193 Months Ended
Sep. 30, 2017
USD ($)
Claim
Sep. 30, 2016
USD ($)
Sep. 30, 2017
USD ($)
Claim
Sep. 30, 2016
USD ($)
Sep. 30, 2017
USD ($)
Claim
Changes in product warranties [Roll forward]          
Balance, beginning of period $ 24,528 $ 26,946 $ 24,072 $ 23,395  
Liabilities accrued for current year sales 25,023 30,479 76,446 78,478  
Settlements of warranty claims (24,713) (28,921) (75,680) (73,369)  
Balance, end of period $ 24,838 $ 28,504 $ 24,838 $ 28,504 $ 24,838
Asbestos [Member]          
Loss Contingencies [Line Items]          
Pending claims, approximate number | Claim 1,500   1,500   1,500
Payment for settled claims         $ 23,500
Increased amount of liability at low end of range     $ 35,200    
Increase from low end of range     4,200    
Increase from high end of range     6,300    
Asbestos [Member] | Minimum [Member]          
Loss Contingencies [Line Items]          
Range of possible loss $ 35,200   35,200   35,200
Asbestos [Member] | Maximum [Member]          
Loss Contingencies [Line Items]          
Range of possible loss 54,000   54,000   54,000
Asbestos [Member] | Discontinued Operations [Member]          
Loss Contingencies [Line Items]          
Incremental pre-tax provision     6,000    
Asbestos [Member] | Discontinued Operations [Member] | Minimum [Member]          
Loss Contingencies [Line Items]          
Range of possible loss 44,300   44,300   44,300
Asbestos [Member] | Discontinued Operations [Member] | Maximum [Member]          
Loss Contingencies [Line Items]          
Range of possible loss $ 79,600   $ 79,600   $ 79,600