Rationalization Charges Activity in Rationalization Plan Reserves (Details II) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 2,466	$ 3,371
Rationalization [Member] | Rationalization Plan [Member]
Restructuring Cost and Reserve [Line Items]
Remaining expenses for our rationalization plans expected primarily within the next twelve months	1,800
Remaining cash expenditures for our rationalization plans expected through 2023	4,300
Accrued Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1,100
Other Liabilities [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 1,400