Income Taxes (Schedule Of Income From Continuing Operations Before Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income (loss) before income taxes:
Domestic	$ (175,510)	$ 3,259	$ 22,774
Foreign	15,480	29,585	44,336
Income (loss) before income taxes	(160,030)	32,844	67,110
Current income tax expense (benefit):
Federal	19	2	1,232
State	0	772	764
Foreign	1,954	3,071	13,521
Current income taxes, Total	1,973	3,845	15,517
Deferred income tax expense (benefit):
Federal	(57,220)	24	(7,862)
State	(280)	(537)	125
Foreign	1,402	1,057	1,504
Deferred income taxes, Total	(56,098)	544	(6,233)
Total income tax expense (benefit)	$ (54,125)	$ 4,389	$ 9,284