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Property and Equipment	3 Months Ended
Property and Equipment	Mar. 31, 2014
Property, Plant and Equipment [Abstract]
Property and Equipment	Property and Equipment Property and equipment are net of accumulated depreciation of $244.4 million and $235.3 million at March 31, 2014 and December 31, 2013, respectively. Property and equipment, net, as of March 31, 2014, includes land and a building valued at approximately $4.0 million that are held for sale.

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

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