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Basis of Presentation and Recent Developments (Policies)
 6 Months Ended
Jun. 30, 2012
Basis Of Presentation And Recent Developments Policies  
Fair Value Measurements and Disclosures

Fair Value Measurements and Disclosures – In May 2011, the Financial Accounting Standards Board issued Accounting Standards Update (ASU) 2011-04, which amends Accounting Standards Codification 820, Fair Value Measurements and Disclosures, to update guidance related to fair value measurements and disclosures as a step towards achieving convergence between generally accepted accounting principles and international financial reporting standards. ASU 2011-04 clarifies intent about application of existing fair value measurements and disclosures, changes certain requirements for fair value measurements and requires expanded disclosures. ASU 2011-04 was effective for interim and annual periods beginning after December 15, 2011. The Company’s adoption of ASU 2011-04 resulted in expanded fair value disclosures and did not have any impact on the Company’s results of operations, cash flows or financial position.