Accounts And Other Receivables (Schedule Of Accounts And Other Receivable) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Accounts and Financing Receivable, after Allowance for Credit Loss [Abstract]
Accounts Receivable, Gross, Current	$ 83,667	$ 102,090
Customer receivables	87,541	105,048
Other accounts and notes receivable	3,874	2,958
Receivables, Net, Current	84,544	103,312
Allowance for Doubtful Accounts and Sales Returns	2,997	1,736
Accounts Receivable, after Allowance for Credit Loss	$ 84,544	$ 103,312