Accounting Pronouncements	12 Months Ended
Dec. 31, 2011
Accounting Pronouncements [Abstract]
Accounting Pronouncements	24. Accounting Pronouncements In May 2011, the FASB issued ASU No. 2011-04, Fair Value Measurement. The changes to the existing guidance include how and when the valuation premise of highest and best use applies, the application of premiums and discounts, as well as new required disclosures. This standard is effective for interim and annual periods beginning after December 15, 2011 and is not expected to have a material impact on our consolidated financial statements. In June 2011, the FASB issued ASU No. 2011-05, Presentation of Comprehensive Income. This standard eliminates the current option to report other comprehensive income and its components in the statement of changes in equity. An entity can elect to present items of net income and other comprehensive income in one continuous statement or in two separate, but consecutive statements. This standard will not change the items that constitute net income and other comprehensive income, when an item of other comprehensive income must be reclassified to net income or the earnings per unit computation (which will continue to be based on net income). ASU No. 2011-05 is effective for interim and annual periods beginning after December 15, 2011 and is not expected to have a material impact on our consolidated financial statements. In September 2011, the FASB issued ASU No. 2011-08, Testing Goodwill for Impairment. The revised standard is intended to reduce the cost and complexity of the annual goodwill impairment test by providing entities an option to perform a “qualitative” assessment to determine whether further impairment testing is necessary. The revised standard is effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011 and is not expected to have a material impact on our consolidated financial statements. In December 2011, the FASB issued ASU 2011-11, Disclosures about Offsetting Assets and Liabilities. The amended standard requires an entity to disclose information about offsetting and related arrangements to enable users of its financial statements to understand the effect of those arrangements on its financial position. An entity is required to apply the amendments for annual reporting periods beginning on or after January 1, 2013, and interim periods within those annual periods. An entity should provide the disclosures required by those amendments retrospectively for all comparative periods presented. This amendment is not expected to have a material impact on our consolidated financial statements.

24. Accounting Pronouncements

In May 2011, the FASB issued ASU No. 2011-04, Fair Value Measurement. The changes to the existing guidance include how and when the valuation premise of highest and best use applies, the application of premiums and discounts, as well as new required disclosures. This standard is effective for interim and annual periods beginning after December 15, 2011 and is not expected to have a material impact on our consolidated financial statements.

In June 2011, the FASB issued ASU No. 2011-05, Presentation of Comprehensive Income. This standard eliminates the current option to report other comprehensive income and its components in the statement of changes in equity. An entity can elect to present items of net income and other comprehensive income in one continuous statement or in two separate, but consecutive statements. This standard will not change the items that constitute net income and other comprehensive income, when an item of other comprehensive income must be reclassified to net income or the earnings per unit computation (which will continue to be based on net income). ASU No. 2011-05 is effective for interim and annual periods beginning after December 15, 2011 and is not expected to have a material impact on our consolidated financial statements.

In September 2011, the FASB issued ASU No. 2011-08, Testing Goodwill for Impairment. The revised standard is intended to reduce the cost and complexity of the annual goodwill impairment test by providing entities an option to perform a “qualitative” assessment to determine whether further impairment testing is necessary. The revised standard is effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011 and is not expected to have a material impact on our consolidated financial statements.

In December 2011, the FASB issued ASU 2011-11, Disclosures about Offsetting Assets and Liabilities. The amended standard requires an entity to disclose information about offsetting and related arrangements to enable users of its financial statements to understand the effect of those arrangements on its financial position. An entity is required to apply the amendments for annual reporting periods beginning on or after January 1, 2013, and interim periods within those annual periods. An entity should provide the disclosures required by those amendments retrospectively for all comparative periods presented. This amendment is not expected to have a material impact on our consolidated financial statements.