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Commitments and Contingencies (Details) $ in Thousands	3 Months Ended		9 Months Ended		181 Months Ended
	Sep. 30, 2016 USD ($) Claim	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) Claim	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) Claim
Changes in product warranties [Roll forward]
Balance, beginning of period	$ 26,946	$ 25,148	$ 23,395	$ 19,328
Liabilities accrued for current year sales	30,479	25,626	78,478	72,613
Settlements of warranty claims	(28,921)	(24,919)	(73,369)	(66,086)
Balance, end of period	$ 28,504	$ 25,855	$ 28,504	$ 25,855	$ 28,504
Asbestos [Member]
Loss Contingencies [Line Items]
Pending claims, approximate number | Claim	1,560		1,560		1,560
Payment for settled claims					$ 19,500
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

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