Inventories (Schedule Of Inventory Costs) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Inventory Disclosure [Abstract]
Raw materials	$ 659,210	$ 710,494
Work in process	22,088	15,546
Finished goods	2,503	1,709
Total inventories	$ 683,801	$ 727,749