Income Taxes (Reconciliation Of Effective Tax Rate) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Tax at statutory rate	$ 38,504	$ 76,955	$ 43,201
Non-U.S. rate differential — net	21,352	18,710	10,968
State income taxes — net	4,904	2,050	697
Stock-based compensation - tax detriment (benefit)	2,736	(5,440)	(9,664)
Foreign derived intangible income benefit ("FDII")	(14,576)	(4,704)	0
Withholding tax on intercompany dividend	1,005	2,883	2,193
Federal and state tax credits	(5,238)	(7,482)	(6,762)
Foreign investment tax credit	(9,559)	(324)	(3,228)
Change in reserves, including interest and penalties	(3,355)	6,041	3,878
Change in valuation allowance	36,993	1,681	2,019
Other — net	(177)	(1,755)	2,052
Provision for income taxes	$ 72,589	$ 88,615	$ 45,354