Property and Equipment	6 Months Ended
Jun. 30, 2012
Property and Equipment [Abstract]
Property and Equipment	Note 5. Property and Equipment Property and equipment is stated at cost, less accumulated depreciation of $192,872,000 and $184,316,000 as of June 30, 2012 and December 31, 2011, respectively.

- Definition

The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. 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. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

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