Business Combinations Contingent Consideration (Tables) (Details) - Thermax [Member] - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2016	Dec. 31, 2015
Business Acquisition, Contingent Consideration [Line Items]
Business Combination, Contingent Consideration Arrangements, Inception Amount Recorded During Reporting Period		$ 1,883	$ 1,761
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	$ 75	$ 122