Income Taxes (Income (Loss) before Provision for Income Taxes from Continuing Operations by Geographic Area) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Taxes [Abstract]
Domestic	$ 377,150	$ 438,116	$ 265,636
Foreign	171,353	87,727	(13,072)
Income before income taxes	$ 548,503	$ 525,843	$ 252,564