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, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation of Revenue [Line Items]
Net sales	$ 256,225	$ 215,571	$ 486,206	$ 414,848
Machine Clothing [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 162,635	$ 146,572	310,786	$ 289,399
Americas PMC [Member]
Disaggregation of Revenue [Line Items]
Net sales			152,686
Eurasia PMC [Member]
Disaggregation of Revenue [Line Items]
Net sales			116,500
Engineered Fabrics [Member]
Disaggregation of Revenue [Line Items]
Net sales			$ 41,600