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Revenue Recognition and Accounts Receivable link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Acquisitions link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Equipment and Other Fixed Assets link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Goodwill and Identifiable Intangible Assets link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Fair Value of Assets and Liabilities link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Derivative Instruments and Hedging Activities link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Accounts Payable and Accrued Expenses link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Earnings (Loss) Per Share link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - General Information (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - General Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Revenue Recognition and Accounts Receivable (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - 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Disclosure - Acquisitions - Fair Value of Net Assets Acquired (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Equipment and Other Fixed Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Segment Information - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Segment Information - Schedule of Segment Reporting Information, by Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Segment Information -Reconciliation of Total Adjusted EBITDA to Consolidated Income (Loss) Before Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Segment Information - Patient Equipment Depreciation by Reportable Segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Goodwill and Identifiable Intangible Assets - Change in Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Goodwill and Identifiable Intangible Assets - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Goodwill and Identifiable Intangible Assets - Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Goodwill and Identifiable Intangible Assets - Future Amortization Expense of Identified Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Fair Value of Assets and Liabilities - Valuation of Financial Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Derivative Instruments and Hedging Activities - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Derivative Instruments and Hedging Activities - 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Stockholders' Equity - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Stockholders' Equity - Stock Option Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Stockholders' Equity - Restricted Stock (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Earnings (Loss) Per Share - Basic and Diluted Earnings (Loss) per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Earnings (Loss) Per Share - Antidilutive Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Leases - Lease Costs and Sublease Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Leases - Weighted Average Remaining Lease Terms and Discount Rates (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Leases - Lease Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Leases - Lease Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Leases - Cash Flow and Supplemental Non-Cash Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink