Income Taxes (Schedule Of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
U.S. income taxes, Current	$ 16,589	$ 787	$ (1,066)
U.S. income taxes, Deferred	5,690	(52,145)	38
U.S. income taxes, Total	22,279	(51,358)	(1,028)
Non-U.S. income taxes, Current	64,134	85,252	5,924
Non-U.S. income taxes, Deferred	11,812	15,026	(15,677)
Non-U.S. income taxes, Total	75,946	100,278	(9,753)
Provision (benefit) for income taxes	$ 98,225	$ 48,920	$ (10,781)