0000001 - Document - Document and Company Information link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Condensed Consolidated Statements of Operations link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Condensed Consolidated Statement of Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Condensed Consolidated Statement of Comprehensive Income (Loss) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Condensed Consolidated Statements of Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Acquisitions link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Revenues link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Receivables and Allowance for Doubtful Accounts link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Senior Debt link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Senior Notes link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Fair Value link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Other Gains and Charges link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Common Stock and Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Contingencies link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Earnings Per Common Share link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Basis of Presentation (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Acquisitions (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Revenues (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Receivables and Allowance for Doubtful Accounts (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Senior Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Fair Value (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Other Gains and Charges (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Earnings Per Common Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Basis of Presentation - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Acquisitions - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Acquisitions - Estimated Fair Values of the Identifiable Assets Acquired and Liabilities Assumed (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Acquisitions - Acquired Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Acquisitions - Pro Forma Financial Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Revenues (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Receivables and Allowance for Doubtful Accounts - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Receivables and Allowance for Doubtful Accounts - Receivables (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Receivables and Allowance for Doubtful Accounts - Allowance for Doubtful Accounts (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Senior Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Senior Debt - Scheduled Maturity Dates of Outstanding Senior Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Senior Notes (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Fair Value (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Other Gains and Charges - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Other Gains and Charges - Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Segment Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Common Stock and Stock-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Earnings Per Common Share (Details) link:presentationLink link:calculationLink link:definitionLink