Income Taxes (Provision For Income Taxes/(Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current taxes: Federal	$ 159,383	$ 167,258	$ 143,859
Current taxes: State	49,956	39,911	42,705
Current taxes: Foreign	929	2,950	(236)
Current taxes: Total	210,268	210,119	186,328
Deferred taxes: Federal	8,752	19,747	(31,019)
Deferred taxes: State	4,203	5,640	(5,803)
Deferred taxes: Foreign	(262)	6,717	(1,818)
Deferred Income Tax Expense (Benefit), Total	12,693	32,104	(38,640)
Provision for income taxes	$ 222,961	$ 242,223	$ 147,688