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Summary Of Significant Accounting Policies (Policy)
12 Months Ended
Dec. 31, 2011
Summary Of Significant Accounting Policies [Abstract]  
Revenue Recognition
Use Of Estimates

Use of Estimates

The preparation of Consolidated Financial Statements in conformity with accounting principles generally accepted in the United States of America ("GAAP") requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, as well as disclosures of contingent assets and liabilities, at the date of the Consolidated Financial Statements and the reported amounts of revenues and expenses during the reporting period. Actual results may differ from those estimates.

Cash And Cash Equivalents
Restricted Cash And Investments, And Premiums, Commissions And Fees Receivable
Investments
Fixed Assets
Goodwill And Amortizable Intangible Assets
Income Taxes
Net Income Per Share
Fair Value Of Financial Instruments
Stock-Based Compensation