Commitments and Contingencies - Asbestos Claimant and Settlement (Details) - Asbestos [Member]	12 Months Ended
	Dec. 31, 2015 USD ($) claimants	Dec. 31, 2014 USD ($) claimants	Dec. 31, 2013 USD ($) claimants
Loss Contingencies [Line Items]
Number of pending claims at the beginning of period	7,992	7,975	7,880
Number of pending claims filed during period	266	210	360
Number of pending claims dismissed during period	1,990	155	226
Number of pending claims settled during period	26	38	39
Average settlement amount per claim during period | $	$ 16,963	$ 18,734	$ 8,294
Total defense costs during period | $	$ 3,160,000	$ 2,800,000	$ 2,620,000