Income Taxes (Provision For Income Taxes/(Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current taxes: Federal	$ 127,771	$ 159,383	$ 167,258
Current taxes: State	39,361	49,956	39,911
Current taxes: Foreign	1,056	929	2,950
Current taxes: Total	168,188	210,268	210,119
Deferred taxes: Federal	9,067	8,752	19,747
Deferred taxes: State	2,917	4,203	5,640
Deferred taxes: Foreign	3,984	(262)	6,717
Deferred Income Tax Expense (Benefit), Total	15,968	12,693	32,104
Provision for income taxes	$ 184,156	$ 222,961	$ 242,223