Reportable Segments (Schedule of Disaggregate MC Segment Revenue by Significant Product or Service) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 225,990	$ 273,949	$ 461,754	$ 525,321
Machine Clothing [Member]
Disaggregation of Revenue [Line Items]
Net sales	153,433	155,016	290,035	299,349
Machine Clothing [Member] | Americas PMC [Member]
Disaggregation of Revenue [Line Items]
Net sales	81,225	81,583	154,902	156,923
Machine Clothing [Member] | Eurasia PMC [Member]
Disaggregation of Revenue [Line Items]
Net sales	54,166	54,081	99,297	105,519
Machine Clothing [Member] | Engineered Fabrics [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 18,042	$ 19,352	$ 35,836	$ 36,907