Commitments And Contingencies (Changes in Self-insurance Liability) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Insurance receivable	$ 26,928	$ 43,746
Insurance Related Expenses [Roll Forward]
Balance, beginning of period	635,857	627,067	$ 641,779
Reserves provided	92,399	111,067	90,863
Adjustment to self insurance reserves	(130,841)	(64,965)	(81,131)
Payments	(34,312)	(37,312)	(24,444)
Balance, end of period	$ 563,103	$ 635,857	$ 627,067