Fixed Assets (Summary Of Fixed Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Fixed Assets [Abstract]
Furniture and equipment	$ 174,876	$ 157,974
Building and leasehold improvements	101,840	82,234
Property on operating lease	100	46,500
Total	276,816	286,708
Less accumulated depreciation and amortization	(170,370)	(145,305)
Fixed assets, net	106,446	141,403
Depreciation and amortization of furniture and equipment, and leasehold improvements	$ 33,988	$ 30	$ 28,267