Fixed Assets (Summary Of Fixed Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Property Plant And Equipment [Abstract]
Furniture and equipment	$ 238,075	$ 194,421
Building and leasehold improvements	146,954	124,390
Property on operating leases	21,064	100
Total	406,093	318,911
Less accumulated depreciation and amortization	(224,127)	(194,665)
Fixed assets, net	$ 181,966	$ 124,246