0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - Nature of Operations link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Cash, Cash Equivalents and Short-Term Investments, Net link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Capitalization link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Segment and Geographic Information link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Cash, Cash Equivalents and Short-Term Investments, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Segment and Geographic Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Earnings Per Share - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Earnings Per Share - Schedule of Computation of Basic and Diluted EPS (Detail) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Cash, Cash Equivalents and Short-Term Investments, Net - Schedule of Cash, Cash Equivalents and Short-term Investments in Marketable Securities (Detail) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Cash, Cash Equivalents and Short-Term Investments, Net - Schedule of Contractual Maturities of Short-Term Investments (Detail) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Capitalization (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Stock-Based Compensation - Schedule of Stock-Based Compensation Expense (Detail) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Stock-Based Compensation - Schedule of Stock-Based Compensation Expense (Detail) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Stock-Based Compensation - Schedule of Stock Option Activity (Detail) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Stock-Based Compensation - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Stock-Based Compensation - Schedule of Restricted Stock Activity (Detail) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Segment and Geographical Information - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Segment and Geographical Information - Schedule of Interest Income and Interest Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Segment and Geographical Information - Schedule of Gross Billings, Based on Billing Address of Clients or Client Affiliates (Detail) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink