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Disclosure - Equity link:presentationLink link:calculationLink link:definitionLink 2417402 - Disclosure - Equity (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2417403 - Disclosure - Equity (Schedule of Changes in Accumulated Other Comprehensive Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 2317301 - Disclosure - Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 2107100 - Disclosure - Fair Value of Financial Instruments link:presentationLink link:calculationLink link:definitionLink 2407404 - Disclosure - Fair Value of Financial Instruments (Assets and Liabilites Measured on a Non-Recurring Basis) (Cost and Equity Investees) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - Fair Value of Financial Instruments (Assets and Liabilites Measured on a Non-Recurring Basis) (Debt) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2407402 - 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Disclosure - Segments and Related Information (Schedule of Financial Information by Reportable Segment - Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 2419410 - Disclosure - Segments and Related Information (Schedule of Significant Customers, Revenue Concentration Information) (Details) link:presentationLink link:calculationLink link:definitionLink 2319301 - Disclosure - Segments and Related Information (Tables) link:presentationLink link:calculationLink link:definitionLink 2114100 - Disclosure - Stock-Based Compensation and Other Employee Benefit Plans link:presentationLink link:calculationLink link:definitionLink 2414409 - Disclosure - Stock-Based Compensation and Other Employee Benefit Plans (401(k) Plan) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2414410 - Disclosure - Stock-Based Compensation and Other Employee Benefit Plans (Deferred Compensation Plans) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2414402 - 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