Reportable Segments and Revenue Recognition (Schedule of Disaggregate MC Segment Revenue by Significant Product or Service) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 222,362	$ 235,764
Machine Clothing
Disaggregation of Revenue [Line Items]
Net sales	148,206	136,602
Machine Clothing | Americas PMC
Disaggregation of Revenue [Line Items]
Net sales	73,302	73,677
Machine Clothing | Eurasia PMC
Disaggregation of Revenue [Line Items]
Net sales	55,143	45,131
Machine Clothing | Engineered Fabrics
Disaggregation of Revenue [Line Items]
Net sales	$ 19,761	$ 17,794