Income Taxes (Schedule Of Effective Income Tax Rate Reconciliation) (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Taxes [Abstract]
Statutory income tax rate	(21.00%)	21.00%	21.00%
Foreign taxes	(4.80%)	1.30%	3.60%
State income taxes, net of federal income taxes	2.50%	10.10%	10.20%
Income Tax credits	(2.00%)	(14.10%)	(17.10%)
Incentive Stock options	(1.20%)	(5.50%)	9.90%
Change in effective state rate	0.20%	(0.50%)	2.30%
Deferred tax asset write-offs			73.10%
Impairment of goodwill	14.30%
Executive compensation limitation	3.10%	7.30%	15.60%
Change in valuation allowance	(0.20%)	(5.20%)	(2.10%)
Research and development expenditure	1.40%	129.50%	175.40%
Fair value inventory step-up	0.60%	1.70%
Transaction costs		4.80%
Other		10.20%
Income tax expense (benefit)	(9.50%)	(88.00%)	(54.70%)