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Investments In Other Non-Current Assets	9 Months Ended
Sep. 30, 2011
Investments In Other Non-Current Assets [Abstract]
Investments In Other Non-Current Assets	5. Investments in Other Non-Current Assets The Company has investments in preferred stock which it carries at cost. As of September 30, 2011, the Company's aggregate carrying value of these investments was $5.7 million and was included within other noncurrent assets in the consolidated balance sheet. The Company has determined that certain of these investments represent interests in variable interest entities. As of September 30, 2011, the Company's investments in the entities were substantially equal to its maximum exposure to loss. There are no future contractual funding commitments. The Company has determined that the Company is not the primary beneficiary of these entities since the Company does not have the power to direct the activities that most significantly impact the entities' economic performance. Accordingly, the Company does not consolidate these entities and accounts for these investments under the cost method.

Investments In Other Non-Current Assets

9 Months Ended

Sep. 30, 2011

Investments In Other Non-Current Assets [Abstract]

5. Investments in Other Non-Current Assets

The Company has investments in preferred stock which it carries at cost. As of September 30, 2011, the Company's aggregate carrying value of these investments was $5.7 million and was included within other noncurrent assets in the consolidated balance sheet. The Company has determined that certain of these investments represent interests in variable interest entities. As of September 30, 2011, the Company's investments in the entities were substantially equal to its maximum exposure to loss. There are no future contractual funding commitments. The Company has determined that the Company is not the primary beneficiary of these entities since the Company does not have the power to direct the activities that most significantly impact the entities' economic performance. Accordingly, the Company does not consolidate these entities and accounts for these investments under the cost method.