2107100 - Disclosure - Accounts Receivable, Net of Allowance
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2407403 - Disclosure - Accounts Receivable, Net of Allowance (Narrative) (Details)
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2407402 - Disclosure - Accounts Receivable, Net Of Allowance (Schedule Of Accounts Receivable, Net of Allowance) (Details)
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2307301 - Disclosure - Accounts Receivable, Net of Allowance (Tables)
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2103100 - Disclosure - Acquisitions
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2403406 - Disclosure - Acquisitions (2013 Acquisitions) (Narrative) (Details)
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2403403 - Disclosure - Acquisitions (2014 Acquisitions) (Narrative) (Details)
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2403402 - Disclosure - Acquisitions (Narrative) (Details)
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2403404 - Disclosure - Acquisitions (Schedule of Consideration Paid And Net Assets Acquired, Business Acquisitions) (Details)
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2403405 - Disclosure - Acquisitions (Schedule of Finite-Lived Intangible Assets Acquired, Business Acquisitions) (Details)
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2403407 - Disclosure - Acquisitions (Schedule of Measurement Period Adjustments, Business Acquisitions) (Details)
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2403408 - Disclosure - Acquisitions (Schedule of Pro Forma Information, Business Acquisitions) (Details)
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2303301 - Disclosure - Acquisitions (Tables)
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2101100 - Disclosure - Business, Basis of Presentation and Significant Accounting Policies
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2401402 - Disclosure - Business, Basis of Presentation and Significant Accounting Policies (Narrative) (Details)
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2201201 - Disclosure - Business, Basis of Presentation and Significant Accounting Policies (Policies)
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2119100 - Disclosure - Commitments and Contingencies
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2419403 - Disclosure - Commitments and Contingencies (Collective Bargaining Agreements and Multi-Employer Plans) (Narrative) (Details)
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2419405 - Disclosure - Commitments and Contingencies (Concentrations of Risk) (Narrative) (Details)
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2419402 - Disclosure - Commitments and Contingencies (Other Commitments and Contingencies) (Narrative) (Details)
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2419404 - Disclosure - Commitments and Contingencies (Other Guarantees) (Narrative) (Details)
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2419401 - Disclosure - Commitments and Contingencies (Sunlight Entities) (Narrative) (Details)
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1003000 - Statement - Condensed Unaudited Consolidated Balance Sheets
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1003501 - Statement - Condensed Unaudited Consolidated Balance Sheets (Parenthetical)
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1005000 - Statement - Condensed Unaudited Consolidated Statements Of Cash Flows
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1002000 - Statement - Condensed Unaudited Consolidated Statements Of Comprehensive Income
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1001000 - Statement - Condensed Unaudited Consolidated Statements Of Operations
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2109100 - Disclosure - Debt
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2409407 - Disclosure - Debt (Debt Guarantees and Covenants) (Narrative) (Details)
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2409405 - Disclosure - Debt (Other Credit Facilities) (Narrative) (Details)
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2409402 - Disclosure - Debt (Schedule of Carrying Values of Long-Term Debt) (Details)
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2409402 - Disclosure - Debt (Schedule of Carrying Values of Long-Term Debt) (Details)
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2409403 - Disclosure - Debt (Schedule of Carrying Values of Long-Term Debt) (Parenthetical) (Details)
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2409408 - Disclosure - Debt (Schedule Of Interest Expense, Net) (Details)
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2409406 - Disclosure - Debt (Senior Convertible Notes) (Narrative) (Details)
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2409404 - Disclosure - Debt (Senior Secured Credit Facility) (Narrative) (Details)
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2309301 - Disclosure - Debt (Tables)
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2104100 - Disclosure - Discontinued Operations
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2404402 - Disclosure - Discontinued Operations (Narrative) (Details)
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2404404 - Disclosure - Discontinued Operations (Results of Operations) (Details)
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2404403 - Disclosure - Discontinued Operations (Summary of Assets and Liabilities) (Details)
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2304301 - Disclosure - Discontinued Operations (Tables)
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0001000 - Document - Document and Entity Information
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2102100 - Disclosure - Earnings Per Share
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2402402 - Disclosure - Earnings Per Share (Methodology) (Narrative) (Details)
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2402404 - Disclosure - Earnings Per Share (Narrative) (Details)
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2402405 - Disclosure - Earnings Per Share (Schedule Of Convertible Note Premium Share Information) (Details)
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2402403 - Disclosure - Earnings Per Share (Schedule Of Earnings Per Share Information) (Details)
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2302301 - Disclosure - Earnings Per Share (Tables)
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2115100 - Disclosure - Equity
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2415403 - Disclosure - Equity (Narrative) (Details)
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2415404 - Disclosure - Equity (Schedule of Changes in Accumulated Other Comprehensive Loss) (Details)
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2415402 - Disclosure - Equity (Schedule of Share Activity) (Details)
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2315301 - Disclosure - Equity (Tables)
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2106100 - Disclosure - Fair Value of Financial Instruments
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2406402 - Disclosure - Fair Value Of Financial Instruments (Narrative) (Details)
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2406403 - Disclosure - Fair Value of Financial Instruments (Schedule Of Fair Values Of Selected Financial Instruments Measured On A Non-Recurring Basis) (Details)
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2306301 - Disclosure - Fair Value of Financial Instruments (Tables)
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2105100 - Disclosure - Goodwill and Other Intangible Assets
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2405404 - Disclosure - Goodwill and Other Intangible Assets (Narrative) (Details)
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2405402 - Disclosure - Goodwill and Other Intangible Assets (Rollforward of Goodwill by Segment) (Details)
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2405403 - Disclosure - Goodwill And Other Intangible Assets (Rollforward of Other Intangible Assets) (Details)
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2305301 - Disclosure - Goodwill and Other Intangible Assets (Tables)
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2117100 - Disclosure - Income Taxes
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2417401 - Disclosure - Income Taxes (Narrative) (Details)
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2112100 - Disclosure - Lease Obligations
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2412401 - Disclosure - Lease Obligations (Capital Leases) (Narrative) (Details)
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2412402 - Disclosure - Lease Obligations (Operating Leases) (Narrative) (Details)
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2114100 - Disclosure - Other Retirement Plans
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2414402 - Disclosure - Other Retirement Plans (Narrative) (Details)
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2414403 - Disclosure - Other Retirement Plans (Schedule of Covered Employees and Contributions, Multi-Employer Plans) (Details)
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2314301 - Disclosure - Other Retirement Plans (Tables)
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2108100 - Disclosure - Property and Equipment, Net
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2408403 - Disclosure - Property And Equipment, Net (Narrative) (Details)
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2408402 - Disclosure - Property And Equipment, Net (Schedule Of Property And Equipment, Net) (Details)
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2308301 - Disclosure - Property and Equipment, Net (Tables)
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2122100 - Disclosure - Related Party Transactions
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2422401 - Disclosure - Related Party Transactions (Investments) (Narrative) (Details)
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2422402 - Disclosure - Related Party Transactions (Other Related Party Transactions) (Narrative) (Details)
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2422403 - Disclosure - Related Party Transactions (Split Dollar Agreements) (Narrative) (Details)
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2118100 - Disclosure - Segments and Related Information
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2418402 - Disclosure - Segments and Related Information (Descriptions) (Narrative) (Details)
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2418407 - Disclosure - Segments and Related Information (Foreign Operations) (Narrative) (Details)
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2418406 - Disclosure - Segments and Related Information (Reconciliation of EBITDA to Consolidated Income from Continuing Operations before Income Taxes) (Details)
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2418405 - Disclosure - Segments and Related Information (Schedule of Financial Information by Reportable Segment - Depreciation and Amortization) (Details)
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2418404 - Disclosure - Segments and Related Information (Schedule of Financial Information by Reportable Segment - EBITDA) (Details)
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2418403 - Disclosure - Segments and Related Information (Schedule of Financial Information by Reportable Segment - Revenue) (Details)
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2418408 - Disclosure - Segments and Related Information (Schedule of Significant Customers, Revenue Concentration Information) (Details)
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2318301 - Disclosure - Segments and Related Information (Tables)
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2113100 - Disclosure - Stock-Based Compensation and Other Employee Benefit Plans
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2413402 - Disclosure - Stock-Based Compensation and Other Employee Benefit Plans (Narrative) (Details)
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2413405 - Disclosure - Stock-Based Compensation and Other Employee Benefit Plans (Summary of Activity, Employee Stock Purchase Plan) (Details)
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2413403 - Disclosure - Stock-Based Compensation and Other Employee Benefit Plans (Summary of Activity, Restricted Share Awards) (Details)
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2413404 - Disclosure - Stock-Based Compensation and Other Employee Benefit Plans (Summary of Activity, Stock Options) (Details)
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2413406 - Disclosure - Stock-Based Compensation and Other Employee Benefit Plans (Summary of Stock-Based Compensation Expense and Related Tax Benefits) (Details)
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2313301 - Disclosure - Stock-Based Compensation and Other Employee Benefit Plans (Tables)
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2125100 - Disclosure - Subsequent Events
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2425401 - Disclosure - Subsequent Events (Narrative) (Details)
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2124100 - Disclosure - Supplemental Guarantor Condensed Unaudited Consolidating Financial Information
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2424404 - Disclosure - Supplemental Guarantor Condensed Unaudited Consolidating Financial Information (Condensed Unaudited Consolidating Balance Sheets) (Details)
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2424405 - Disclosure - Supplemental Guarantor Condensed Unaudited Consolidating Financial Information (Condensed Unaudited Consolidating Statements of Cash Flows) (Details)
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2424403 - Disclosure - Supplemental Guarantor Condensed Unaudited Consolidating Financial Information (Condensed Unaudited Consolidating Statements of Operations and Comprehensive Income) (Details)
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2424402 - Disclosure - Supplemental Guarantor Condensed Unaudited Consolidating Financial Information (Narrative) (Details)
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2324301 - Disclosure - Supplemental Guarantor Condensed Unaudited Consolidating Financial Information (Tables)
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