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THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
9 Months Ended
Sep. 30, 2011
THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES  
Accounting Estimates

        The preparation of consolidated financial statements in accordance with U.S. GAAP requires management to make estimates and judgments that affect the reported amounts of assets, liabilities, revenue and expenses and the related disclosure of contingent assets and liabilities. Actual amounts could differ materially from these estimates. On an ongoing basis, the Company evaluates its estimates and judgments including those related to the fair values of marketable securities and other investments, goodwill and indefinite-lived intangible assets, the useful lives and recoverability of definite-lived intangible assets and property and equipment, the carrying value of accounts receivable, including the determination of the allowance for doubtful accounts and other revenue related allowances, the reserves for income tax contingencies and the valuation allowances for deferred income tax assets and the fair value of and forfeiture rates for stock-based awards, among others. The Company bases its estimates and judgments on historical experience, its forecasts and budgets and other factors that the Company considers relevant.