Restructuring (Schedule of Restructuring Charges) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Restructuring and other, net
Restructuring and other, net	$ 24,321	$ 3,152	$ 24,957	$ 3,410
Termination and Other Costs [Member]
Restructuring and other, net
Restructuring and other, net			25,033	3,956
Impairment of Plant and Equipment [Member]
Restructuring and other, net
Restructuring and other, net			88	(546)
Benefit Plan Curtailment/ Settlement [Member]
Restructuring and other, net
Restructuring and other, net			(164)
Operating Segments [Member] | Machine Clothing [Member]
Restructuring and other, net
Restructuring and other, net	24,230	2,903	24,423	3,576
Operating Segments [Member] | Machine Clothing [Member] | Termination and Other Costs [Member]
Restructuring and other, net
Restructuring and other, net			24,587	3,576
Operating Segments [Member] | Machine Clothing [Member] | Impairment of Plant and Equipment [Member]
Restructuring and other, net
Restructuring and other, net
Operating Segments [Member] | Machine Clothing [Member] | Benefit Plan Curtailment/ Settlement [Member]
Restructuring and other, net
Restructuring and other, net			(164)
Operating Segments [Member] | Engineered Composites [Member]
Restructuring and other, net
Restructuring and other, net	91		534
Operating Segments [Member] | Engineered Composites [Member] | Termination and Other Costs [Member]
Restructuring and other, net
Restructuring and other, net			446
Operating Segments [Member] | Engineered Composites [Member] | Impairment of Plant and Equipment [Member]
Restructuring and other, net
Restructuring and other, net			88
Operating Segments [Member] | Engineered Composites [Member] | Benefit Plan Curtailment/ Settlement [Member]
Restructuring and other, net
Restructuring and other, net
Unallocated Expenses [Member]
Restructuring and other, net
Restructuring and other, net		249		(166)
Unallocated Expenses [Member] | Termination and Other Costs [Member]
Restructuring and other, net
Restructuring and other, net				380
Unallocated Expenses [Member] | Impairment of Plant and Equipment [Member]
Restructuring and other, net
Restructuring and other, net				(546)
Unallocated Expenses [Member] | Benefit Plan Curtailment/ Settlement [Member]
Restructuring and other, net
Restructuring and other, net