Exit Activity Costs and Asset Impairments (Reconciles of Liability for Exit Activity Costs Relating to Facility Consolidation Efforts) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Restructuring Reserve [Roll Forward]
Beginning balance			$ 1,923	$ 961
Exit activity costs	$ 3,504	$ 1,910	5,859	2,264
Cash payments			(3,032)	(1,608)
Ending balance	$ 4,750	$ 1,617	$ 4,750	$ 1,617