0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Consolidated Statements of Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Consolidated Statements of Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Description of Business and Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Net Loss Per Share link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Goodwill and Intangible Assets, Net link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Property and Equipment link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Accrued Liabilities and Other Current Liabilities link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Convertible Senior Notes, Net of Current Portion and Capped Call Transactions link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Restructuring link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Legal Matters link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Description of Business and Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Description of Business and Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Revenue from Contract with Customer (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Net Loss Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Goodwill and Intangible Assets, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Property and Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Accrued Liabilities and Other Current Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Convertible Senior Notes, Net of Current Portion and Capped Call Transactions (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Restructuring (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Description of Business and Summary of Significant Accounting Policies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Description of Business and Summary of Significant Accounting Policies - Schedule of Prepaid Expenses and Other Current Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Revenue Recognition (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Revenue Recognition (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Revenue Recognition (Schedule of Disaggregation of Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Revenue Recognition (Schedule of Revenue by Geographic Region) (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Revenue Recognition (Schedule of Receivables, Contract Acquisition Costs, and Deferred Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Revenue Recognition (Schedule of Credit Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Net Loss Per Share (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Net Loss Per Share (Reconciliation of Shares Used in Calculating Basic and Diluted Earnings Per Share) (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Net Loss Per Share (Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share) (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Segment Information - Long-Lived Assets by Geographic Region (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Goodwill and Intangible Assets, Net - (Schedule of Changes in Goodwill) (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Goodwill and Intangible Assets, Net - (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Goodwill and Intangible Assets, Net - Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Goodwill and Intangible Assets, Net - Amortization Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Property and Equipment - (Schedule of Property and Equipment) (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Property and Equipment - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Property and Equipment - Depreciation (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Accrued Liabilities and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Convertible Senior Notes, Net of Current Portion and Capped Call Transactions - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Convertible Senior Notes, Net of Current Portion and Capped Call Transactions - Schedule of Carrying Amount of Liability Component of Convertible Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Convertible Senior Notes, Net of Current Portion and Capped Call Transactions - Schedule of Interest Expense Incurred (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Fair Value Measurements - Assets and Liabilities Measured at Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Fair Value Measurements (Schedule of Carrying Value and Fair Value of Debt Instruments) (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Fair Value Measurements - Pricing Model Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Fair Value Measurements - Level 3 Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Fair Value Measurements - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Commitments and Contingencies - Employee Benefit Plans, Letters of Credit, and Non-Income Related Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Stockholders' Equity - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Stockholders' Equity - Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Stockholders' Equity - Weighted Average Assumption (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Stockholders' Equity - Restricted Stock Unit Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Stockholders' Equity - Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Restructuring - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Restructuring - Liability for Restructuring Charges (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Restructuring - Restructuring Charges (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Income Taxes - Domestic and Foreign Components of Income Before Provision for Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Income Taxes - Schedule of Provision for Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Income Taxes - Schedule of Reconciliations of Federal Statutory Tax Rate to Effective Income Tax Rate (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Income Taxes - Taxes Paid (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Income Taxes - Schedule of Federal Deferred Tax Assets and Deferred Tax Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Income Taxes - Schedule of Unrecognized Tax Benefits (Details) link:presentationLink link:calculationLink link:definitionLink