Reportable Segments (Schedule of Disaggregate MC Segment Revenue by Significant Product or Service) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 251,373	$ 223,603
Machine Clothing [Member]
Disaggregation of Revenue [Line Items]
Net sales	144,334	141,773
Americas PMC [Member]
Disaggregation of Revenue [Line Items]
Net sales	75,341	67,629
Eurasia PMC [Member]
Disaggregation of Revenue [Line Items]
Net sales	51,438	53,811
Engineered Fabrics [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 17,555	$ 20,333