2105100 - Disclosure - Accrued Liabilities link:presentationLink link:calculationLink link:definitionLink 2405402 - Disclosure - Accrued Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - Accrued Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 2107100 - Disclosure - Capitalization link:presentationLink link:calculationLink link:definitionLink 2407401 - Disclosure - Capitalization - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2106100 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 2406403 - Disclosure - Commitments and Contingencies - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - Commitments and Contingencies - Future Minimum Lease Payments Under All Operating Leases (Detail) link:presentationLink link:calculationLink link:definitionLink 2306301 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 1001000 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 1001501 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1005000 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 1003000 - Statement - Consolidated Statements of Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 1002000 - Statement - Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 1004000 - Statement - Consolidated Statements of Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 0001000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 2110100 - Disclosure - Employee Benefit Plan link:presentationLink link:calculationLink link:definitionLink 2410401 - Disclosure - Employee Benefit Plan - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2109100 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 2409402 - Disclosure - Income Taxes - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2409406 - Disclosure - Income Taxes - Components of Deferred Tax Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 2409403 - Disclosure - Income Taxes - Components of Income Before Income Taxes (Detail) link:presentationLink link:calculationLink link:definitionLink 2409404 - Disclosure - Income Taxes - Components of Income Tax Expense (Benefit) (Detail) link:presentationLink link:calculationLink link:definitionLink 2409407 - Disclosure - Income Taxes - Reconciliation of Amounts of Unrecognized Tax Benefits (Detail) link:presentationLink link:calculationLink link:definitionLink 2409405 - Disclosure - Income Taxes - Reconciliation of Statutory Tax Rates and Effective Tax Rates (Detail) link:presentationLink link:calculationLink link:definitionLink 2309301 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 2101100 - Disclosure - Nature of Business link:presentationLink link:calculationLink link:definitionLink 2104100 - Disclosure - Property and Equipment link:presentationLink link:calculationLink link:definitionLink 2404403 - Disclosure - Property and Equipment - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2404402 - Disclosure - Property and Equipment (Detail) link:presentationLink link:calculationLink link:definitionLink 2304301 - Disclosure - Property and Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 2112100 - Disclosure - Restructuring link:presentationLink link:calculationLink link:definitionLink 2412402 - Disclosure - Restructuring - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2412403 - Disclosure - Restructuring - Restructuring Accruals (Details) link:presentationLink link:calculationLink link:definitionLink 2312301 - Disclosure - Restructuring (Tables) link:presentationLink link:calculationLink link:definitionLink 2103100 - Disclosure - Revenue link:presentationLink link:calculationLink link:definitionLink 2403402 - Disclosure - Revenue - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2403404 - Disclosure - Revenue - Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 2403406 - Disclosure - Revenue - Opening and Closing Balances (Deferred Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 2403405 - Disclosure - Revenue - Opening and Closing Balances (Receivables) (Details) link:presentationLink link:calculationLink link:definitionLink 2403403 - Disclosure - Revenue - Performance Obligations (Detail) link:presentationLink link:calculationLink link:definitionLink 2303301 - Disclosure - Revenue (Tables) link:presentationLink link:calculationLink link:definitionLink 214100 - Disclosure - Schedule II - Valuation and Qualifying Accounts link:presentationLink link:calculationLink link:definitionLink 244401 - Disclosure - Schedule II - Valuation and Qualifying Accounts (Detail) link:presentationLink link:calculationLink link:definitionLink 2111100 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 2411402 - Disclosure - Segment Information - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2411404 - Disclosure - Segment Information - Schedule of Long-Lived Assets by Geographic Area (Detail) link:presentationLink link:calculationLink link:definitionLink 2411403 - Disclosure - Segment Information - Schedule of Revenue by Geographic Area (Detail) link:presentationLink link:calculationLink link:definitionLink 2311301 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 2113100 - Disclosure - Selected Quarterly Financial Data (unaudited) link:presentationLink link:calculationLink link:definitionLink 2413402 - Disclosure - Selected Quarterly Financial Data (unaudited) (Detail) link:presentationLink link:calculationLink link:definitionLink 2313301 - Disclosure - Selected Quarterly Financial Data (unaudited) (Tables) link:presentationLink link:calculationLink link:definitionLink 2108100 - Disclosure - Stock Plans link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - Stock Plans - Activity for Company's Two Stock Incentive Plans (Detail) link:presentationLink link:calculationLink link:definitionLink 2408402 - Disclosure - Stock Plans - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2408408 - Disclosure - Stock Plans - Employee Stock Purchase Plan (Detail) link:presentationLink link:calculationLink link:definitionLink 2408407 - Disclosure - Stock Plans - Performance-based and Market-based Awards (Detail) link:presentationLink link:calculationLink link:definitionLink 2408405 - Disclosure - Stock Plans - Restricted Stock Unit Activity (Detail) link:presentationLink link:calculationLink link:definitionLink 2408406 - Disclosure - Stock Plans - Stock-Based Compensation Expense (Detail) link:presentationLink link:calculationLink link:definitionLink 2408409 - Disclosure - Stock Plans Stock Plans - Impact on Stock Compensation Expense for Changes in Senior Leadership (Details) link:presentationLink link:calculationLink link:definitionLink 2308301 - Disclosure - Stock Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 2102100 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 2402403 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 2402404 - Disclosure - Summary of Significant Accounting Policies - Computation of Diluted Net Income Per Common Share (Detail) link:presentationLink link:calculationLink link:definitionLink 2202201 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 2402406 - Disclosure - Summary of Significant Accounting Policies - Summary of Fair Value of Financial Assets (Detail) link:presentationLink link:calculationLink link:definitionLink 2402405 - Disclosure - Summary of Significant Accounting Policies - Summary of Potential Outstanding Common Stock Equivalents (Detail) link:presentationLink link:calculationLink link:definitionLink 2302302 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink