Reportable Segments and Revenue Recognition (Schedule of Disaggregate MC Segment Revenue by Significant Product or Service) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 234,519	$ 225,990	$ 456,880	$ 461,754
Machine Clothing
Disaggregation of Revenue [Line Items]
Net sales	159,921	153,433	308,127	290,035
Machine Clothing | Americas PMC
Disaggregation of Revenue [Line Items]
Net sales	82,343	81,225	155,645	154,902
Machine Clothing | Eurasia PMC
Disaggregation of Revenue [Line Items]
Net sales	55,900	54,166	111,043	99,297
Machine Clothing | Engineered Fabrics
Disaggregation of Revenue [Line Items]
Net sales	$ 21,678	$ 18,042	$ 41,439	$ 35,836