Accounting Standards Recently Adopted	6 Months Ended
Accounting Standards Recently Adopted	Jun. 30, 2012
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Accounting Standards Recently Adopted	Accounting Standards Recently Adopted On January 1, 2012, we adopted an update issued by the Financial Accounting Standards Board (FASB) to existing guidance on the presentation of comprehensive income. This update requires the presentation of the components of net income and other comprehensive income either in a single continuous statement or in two separate but consecutive statements. The requirement to present reclassification adjustments for items that are reclassified from other comprehensive income to net income on the face of the financial statement has been deferred by the FASB. Net income and other comprehensive income has been presented in two separate but consecutive statements for the current reporting period and prior comparative period in our condensed consolidated financial statements.

The entire disclosure for reporting accounting changes and error corrections. It includes the conveyance of information necessary for a user of the Company's financial information to understand all aspects and required disclosure information concerning all changes and error corrections reported in the Company's financial statements for the period.

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