Accounts And Other Receivables (Schedule Of Reconciliation Of The Beginning And Ending Balances Of The Allowance For Doubtful Accounts And Sales Returns) (Details) - Allowance For Doubtful Accounts - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance, beginning of year	$ 2,997	$ 1,736	$ 2,797
Charges to expense	882	1,926	1,440
Recoveries	102	2	35
Write-offs and settlements	(1,734)	(639)	(1,246)
Foreign exchange and other	54	(28)	(1,290)
Balance, end of year	$ 2,301	$ 2,997	$ 1,736