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, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Restructuring Reserve [Roll Forward]
Beginning balance			$ 1,030	$ 2,083
Exit activity costs	$ 2,161	$ 624	6,208	917
Cash payments			(4,646)	(2,171)
Ending balance	$ 2,592	$ 829	$ 2,592	$ 829