Rationalization Charges Activity in Rationalization Plan Reserves (Details II) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 2,146	$ 3,371
Other Restructuring [Member] | Rationalization Plan [Member]
Restructuring Cost and Reserve [Line Items]
Remaining expenses for our rationalization plans expected primarily within the next twelve months	2,200
Remaining cash expenditures for our rationalization plans expected through 2023	4,300
Accrued Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	900
Other Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 1,200