Investments (Schedule of Variable Interest Entities - Table) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Investments
Current assets	$ 16,616	$ 15,915
Other assets (primarily buildings and equipment)	40,610	102,457
Current liabilities	5,606	11,177
Other liabilities	4,535	1,791
Net assets	$ 47,085	$ 105,404

The aggregate carrying amount of all variable interest entities' current assets consolidated into the statement of financial position. In general, a VIE is a corporation, partnership, trust, or any other legal structure used for business purposes that either (a) does not have equity investors with voting rights or (b) has equity investors that do not provide sufficient financial resources for the entity to support its activities.

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The aggregate carrying amount of all the variable interest entities' current liabilities consolidated into the statement of financial position. In general, a VIE is a corporation, partnership, trust, or any other legal structure used for business purposes that either (a) does not have equity investors with voting rights or (b) has equity investors that do not provide sufficient financial resources for the entity to support its activities.

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The aggregate carrying amount of all the variable interest entities' assets, other than current assets, consolidated into the statement of financial position. In general, a VIE is a corporation, partnership, trust, or any other legal structure used for business purposes that either (a) does not have equity investors with voting rights or (b) has equity investors that do not provide sufficient financial resources for the entity to support its activities.

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The aggregate carrying amount of all the variable interest entities' liabilities, other than current liabilities, consolidated into the statement of financial position. In general, a VIE is a corporation, partnership, trust, or any other legal structure used for business purposes that either (a) does not have equity investors with voting rights or (b) has equity investors that do not provide sufficient financial resources for the entity to support its activities.

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The net carrying amount of the consolidated Variable Interest Entity's assets and liabilities included in the reporting entity's statement of financial position.

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