Reportable Segments (Schedule of Restructuring Costs by Reporting Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Restructuring expense
Restructuring expenses, net	$ 2,589	$ 2,036	$ 11,162	$ 4,717
Machine Clothing [Member]
Restructuring expense
Restructuring expenses, net	1,800	805	10,152	916
Albany Engineered Composites [Member]
Restructuring expense
Restructuring expenses, net	558	1,231	779	3,801
Corporate Expenses [Member]
Restructuring expense
Restructuring expenses, net	$ 231		$ 231