Segment Reporting (Schedule Of Net Revenues Earned On Major Geographical Areas) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Total net revenues	$ 1,217,932	$ 1,050,721	$ 2,380,970	$ 2,157,514
United States [Member]
Segment Reporting Information [Line Items]
Total net revenues	1,147,168	965,997	2,248,172	2,004,892
United Kingdom [Member]
Segment Reporting Information [Line Items]
Total net revenues	42,698	53,563	80,223	86,760
Canada [Member]
Segment Reporting Information [Line Items]
Total net revenues	10,610	6,853	22,230	28,831
Other [Member]
Segment Reporting Information [Line Items]
Total net revenues	$ 17,456	$ 24,308	$ 30,345	$ 37,031