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Commitments and Contingencies (Details)
$ in Thousands
3 Months Ended 6 Months Ended 190 Months Ended
Jun. 30, 2017
USD ($)
Claim
Jun. 30, 2016
USD ($)
Jun. 30, 2017
USD ($)
Claim
Jun. 30, 2016
USD ($)
Jun. 30, 2017
USD ($)
Claim
Changes in product warranties [Roll forward]          
Balance, beginning of period $ 25,609 $ 26,404 $ 24,072 $ 23,395  
Liabilities accrued for current year sales 25,693 25,418 51,423 47,999  
Settlements of warranty claims (26,774) (24,876) (50,967) (44,448)  
Balance, end of period $ 24,528 $ 26,946 $ 24,528 $ 26,946 $ 24,528
Asbestos [Member]          
Loss Contingencies [Line Items]          
Pending claims, approximate number | Claim 1,595   1,595   1,595
Payment for settled claims         $ 22,100
Decrease from low end of range     $ (2,300)    
Decrease from high end of range     (3,400)    
Asbestos [Member] | Minimum [Member]          
Loss Contingencies [Line Items]          
Range of possible loss $ 31,000   31,000   31,000
Asbestos [Member] | Maximum [Member]          
Loss Contingencies [Line Items]          
Range of possible loss 47,700   47,700   47,700
Asbestos [Member] | Discontinued Operations [Member] | Minimum [Member]          
Loss Contingencies [Line Items]          
Range of possible loss 42,700   42,700   42,700
Asbestos [Member] | Discontinued Operations [Member] | Maximum [Member]          
Loss Contingencies [Line Items]          
Range of possible loss $ 78,600   $ 78,600   $ 78,600