Fixed Assets (Components Of Fixed Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Fixed assets, gross	$ 489,070	$ 500,329
Less: accumulated depreciation and amortization	(317,628)	(308,997)
Fixed assets, net	171,442	191,332
Land
Property, Plant and Equipment [Line Items]
Fixed assets, gross	18,152	18,152
Buildings and improvements
Property, Plant and Equipment [Line Items]
Fixed assets, gross	105,526	142,181
Furniture and equipment
Property, Plant and Equipment [Line Items]
Fixed assets, gross	45,829	48,507
Capitalized software
Property, Plant and Equipment [Line Items]
Fixed assets, gross	314,092	284,912
Leasehold improvements
Property, Plant and Equipment [Line Items]
Fixed assets, gross	$ 5,471	$ 6,577