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Property and Equipment (Narratives) (Details) (USD $)	12 Months Ended
Property and Equipment (Narratives) (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Net book value	$ 38,591,000	$ 26,862,000
Depreciation	8,000,000	6,500,000	5,300,000
Document Fiscal Year Focus	2013
Software Development
Property, Plant and Equipment [Line Items]
Net book value	13,500,000	12,100,000
Software Development Work-in-Progress
Property, Plant and Equipment [Line Items]
Net book value	$ 10,000,000	$ 7,500,000

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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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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