Restructuring Charges and Other Costs (Schedule Of Restructuring Reserves) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Restructuring Cost and Reserve [Line Items]
Beginning Balance	$ 125
Restructuring Charges	4,814	$ 3,800
Cash Payment	(4,551)
Non-Cash Activity	0
Ending Balance	388
Severance [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	35
Restructuring Charges	4,070
Cash Payment	(3,717)
Non-Cash Activity	0
Ending Balance	388
Lease Facility Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	9
Restructuring Charges	(9)
Cash Payment	0
Non-Cash Activity	0
Ending Balance	0
Other Exit Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance	81
Restructuring Charges	753
Cash Payment	(834)
Non-Cash Activity	0
Ending Balance	$ 0