Fixed Assets (Summary Of Fixed Assets) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Fixed Assets [Abstract]
Furniture and equipment	$ 163,279		$ 157,974
Building and leasehold improvements	91,793		82,234
Property on operating lease	46,500		46,500
Total	301,572		286,708
Less accumulated depreciation and amortization	(152,686)		(145,305)
Fixed assets, net	148,886		141,403
Depreciation and amortization of furniture and equipment, and leasehold improvements	$ 7,876	$ 7,189

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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