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		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Restructuring Reserve [Roll Forward]
Beginning balance			$ 1,923	$ 961
Exit activity costs (recoveries), net	$ 2,136	$ 98	2,355	354
Cash payments			(1,329)	(1,256)
Ending balance	$ 2,949	$ 59	$ 2,949	$ 59