Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 165,055	$ 169,277
Accumulated depreciation and amortization	(113,063)	(113,615)
Property and equipment, at cost, net	51,992	55,662
Land and Land Improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	2,490	2,581
Facilties In Progress And Software In Developement
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	1,621	2,792
Computer Equipment And Software
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	99,050	100,472
Building and Improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	43,449	44,534
Furniture, Fixtures and Equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	14,977	16,360
Capital Lease Obligations [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	3,468	2,538
Accumulated depreciation and amortization	$ 600	$ 200

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, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale. This can include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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- Definition

Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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