Investment In Affiliate (Narrative) (Details) (USD $)	12 Months Ended
Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Investment In Affiliate [Abstract]
Ownership interest in APM	50.00%
Duration of prison management contract with an agency of the United Kingdom government	25
Working capital loan to APM	$ 4,700,000
Equity earnings (losses) of joint venture	$ (134,000)	$ 18,000	$ 27,000

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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+ Details