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Accounting Changes and Error Corrections [Abstract] Outstanding interest, paid Debt Instrument, Outstanding Interest, Paid Debt Instrument, Outstanding Interest, Paid Interest expense, amortization of debt issuance costs Interest Expense, Debt, Amortization Of Debt Issuance Costs Interest Expense, Debt, Amortization Of Debt Issuance Costs Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Total purchase consideration Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Fair Value Disclosures [Abstract] Risk-free interest rate (%) - (Maximum) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Segment Information Segment Reporting [Text Block] Minimum Minimum [Member] Expiration Date Trading Arrangement Expiration Date Net change in cash and cash equivalents, including cash classified within current assets held for sale Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Unamortized debt discount, write-off Debt Instrument, Unamortized Discount, Write-Off Debt Instrument, Unamortized Discount, Write-Off Schedule of Intangible Asset Amortization Expense Intangible Asset, Finite-Lived, Amortization Expense [Table Text Block] Income Statement Location [Axis] Location, Statement of Income, Balance [Axis] Diluted (in dollars per share) Diluted net income (loss) per share (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Basic (in dollars per share) Basic net income (loss) per share (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Non-Rule 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Covered Year [Member] Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Measurement period adjustments, prepaid and other current assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Prepaid And Other Current Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Prepaid And Other Current Assets Purchase of convertible note Payments to Acquire Notes Receivable Income Statement [Abstract] Stockholders’ equity Equity, Attributable to Parent [Abstract] Issuance of common stock for ESPP (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] 2025 Convertible Notes 1.25% Convertible Senior Notes [Member] 1.25% Convertible Senior Notes Operating expenses: Operating Expenses [Abstract] Finance lease liabilities Finance Lease, Liability, Noncurrent Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Schedule of Fair Value of Each Stock Option Award Granted Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] City Area Code City Area Code Debt Instrument, Redemption, Period One Debt Instrument, Redemption, Period One [Member] Restricted stock awards Restricted Stock [Member] Accumulated Other Comprehensive Loss (Income) AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Capped call transactions, aggregate debt covered by capped call options Capped Call Transactions, Aggregate Debt Covered By Capped Call Options Capped Call Transactions, Aggregate Debt Covered By Capped Call Options Convertible Debt Securities Convertible Debt Securities [Member] 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Award, Options, Forfeitures in Period, Weighted Average Exercise Price Inventories Increase (Decrease) in Inventories Self-pay Self Pay Services [Member] Self Pay Services [Member] Risk-free interest rate (%) - (Minimum) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Segment Reporting [Table] Segment Reporting [Table] Summary of Maturities of Long-Term Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Contractual Obligation [Line Items] Contractual Obligation [Line Items] Contractual obligation. CASH FLOWS FROM INVESTING ACTIVITIES Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Other current assets Other Assets, Current Disposal group, including discontinued operation, contingent consideration Disposal Group, Including Discontinued Operation, Contingent Consideration Disposal Group, Including Discontinued Operation, Contingent Consideration CASH FLOWS FROM OPERATING ACTIVITIES Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] LOSS FROM OPERATIONS Operating Income (Loss) Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Change in Fair Value as of Vesting Date of Prior Year Equity 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Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Unamortized debt discount Unamortized debt discount Debt Instrument, Unamortized Discount Premiums paid for capped call transactions Adjustments To Additional Paid In Capital, Equity Component Of Convertible Debt, Premiums Paid For Capped Call Transactions Adjustments To Additional Paid In Capital, Equity Component Of Convertible Debt, Premiums Paid For Capped Call Transactions Termination Date Trading Arrangement Termination Date Amortization period (in years) Amortization Period (years) Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period Medicare and other government Medicare And Other Governmental [Member] Medicare And Other Governmental [Member] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Intangible assets Intangible assets, acquired Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other assets Other Assets, Noncurrent CASH FLOWS FROM FINANCING ACTIVITIES Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Document Type Document Type Business acquisition, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Gain on extinguishment of debt (Note 6) Gain on debt extinguishment Gain on debt extinguishment Gain (Loss) on Extinguishment of Debt Fair Value as of Grant Date Award Grant Date Fair Value Premiums paid for capped call confirmations Payments for premiums on capped call transactions Payments For Premiums On Capped Call Transactions Payments For Premiums On Capped Call Transactions Repayment of convertible debt Repayment of convertible debt Repayments of Convertible Debt Redemption price of principal Debt Instrument, Redemption Price, Percentage Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Impairment of intangible assets Impairment of intangible assets Intangible Asset, Excluding Goodwill, Impairment Loss Total capitalized commissions Capitalized Contract Cost, Gross Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Long-term contract liabilities Contract with Customer, Liability, Noncurrent Capitalized Contract Cost [Abstract] Capitalized Contract Cost [Abstract] Current capitalized commissions Capitalized Contract Cost, Net, Current Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Income (loss) before taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies (Note 12) Commitments and Contingencies Cost Intangible Asset, Finite-Lived, before Accumulated Amortization Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 2030 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Non-cash finance lease amortization Finance Lease, Right-of-Use Asset, Amortization Goodwill [Roll Forward] Goodwill [Roll Forward] LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class Intangible Asset, Finite-Lived, Class [Domain] Trade Name Trade Names [Member] Inventories Inventory, Net Equity Award Equity Award [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair Value Measurements Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Expected term (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term 2027 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One Repurchases of common stock (in shares) Common shares repurchased (in shares) Treasury Stock, Shares, Acquired Capped call transactions, aggregate debt previously covered by capped call terminations Capped Call Transactions, Aggregate Debt Previously Covered By Capped Call Terminations Capped Call Transactions, Aggregate Debt Previously Covered By Capped Call Terminations Share price (in dollars per share) Share Price PEO Name PEO Name Conversion price on applicable trading day (as a percent) Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger Accrued compensation Increase (Decrease) in Accrued Liabilities Stock-based compensation expense APIC, Share-Based Payment Arrangement, ESPP, Increase for Cost Recognition Accrued expenses and other liabilities Accrued Liabilities and Other Liabilities Total contract liabilities Contract with Customer, Liability Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Repurchases of common stock Repurchases of common stock Treasury Stock, Value, Acquired, Cost Method Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Client direct billing Client Direct Billing [Member] Client Direct Billing [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Nature of the Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] COMPREHENSIVE INCOME (LOSS) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Litigation settlement, including accrued interest Litigation Settlement, Amount Awarded To Other Party, Including Accrued Interest Litigation Settlement, Amount Awarded To Other Party, Including Accrued Interest Gross initial consideration Payments to Acquire Businesses, Gross Stock-based compensation Share-Based Payment Arrangement, Noncash Expense 2028 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two Disposal Group Name [Axis] Disposal Group Name [Axis] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Schedule of Restricted Stock Activity Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Repurchases of common stock Payments for Repurchase of Common Stock Contract liabilities Current contract liabilities Contract with Customer, Liability, Current Total current assets Assets, Current Range [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Total long-term debt, net Long-Term Debt, Excluding Current Maturities Award Type Award Type [Axis] Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Accumulated deficit Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Threshold trading days (in days) Debt Instrument, Convertible, Threshold Trading Days Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Contingent consideration liability Business Combination, Contingent Consideration, Liability Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover page. Cover [Abstract] Dividend yield (%) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Equity Awards Adjustments Equity Awards Adjustments [Member] Realized gains (losses) on marketable securities Debt Securities, Available-for-Sale, Realized Gain (Loss) Total liabilities and stockholders’ equity Liabilities and Equity Accelerated stock-based compensation cost Share-Based Payment Arrangement, Accelerated Cost Stock options Share-Based Payment Arrangement, Option [Member] Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Tabular List, Table Tabular List [Table Text Block] Other (expense) income, net Other (expense) income Other Nonoperating Income (Expense) 2029 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three Remainder of 2026 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Initial cash consideration, net Business Combination Payments to Acquire Businesses, Net of Cash Acquired And Adjustments Business Combination Payments to Acquire Businesses, Net of Cash Acquired And Adjustments General and administrative General and Administrative Expense Business Combination, Contingent Consideration, Type [Domain] Business Combination, Contingent Consideration, Type [Domain] Adjustment to Compensation: Adjustment to Compensation [Axis] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Marketable securities Debt Securities, Available-for-Sale, Excluding Accrued Interest, Current Allocation of the purchase consideration: Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less) [Abstract] Sales and Marketing Expenses Selling, General and Administrative Expenses, Policy [Policy Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total Assets, Fair Value Disclosure Vested and expected to vest (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Name Measure Name Early conversion for notes, trading price of notes below threshold, percent Debt Instrument, Convertible Notes, Aggregate Principle Amount Rate Debt Instrument, Convertible Notes, Aggregate Principle Amount Rate Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Total purchase consideration Business Combination, Consideration Transferred Additional Paid-In Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Supplemental disclosure of cash flow information: Supplemental Cash Flow Elements [Abstract] Indefinite-lived Intangible Assets [Axis] Intangible Asset, Indefinite-Lived, Class [Axis] Capped call transaction, number of underlying shares Capped Call Transactions, Number Of Underlying Shares Capped Call Transactions, Number Of Underlying Shares Impairment charges, goodwill Impairment charges Goodwill, Impairment Loss Restatement [Axis] Revision of Prior Period [Axis] Name Trading Arrangement, Individual Name Unrecognized stock-based compensation cost, non-option Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Cash and cash equivalents Cash and Cash Equivalent Effective interest rate on convertible notes (as a percent) Debt Instrument, Interest Rate During Period Non-cash operating lease expense Operating Lease, Expense Company Selected Measure Amount Company Selected Measure Amount Current assets Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Impairment of intangible assets, finite-lived Impairment of intangible assets Intangible Asset, Finite-Lived, Impairment Loss Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Income tax benefit Income tax benefit Income Tax Expense (Benefit) COST OF REVENUE Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Net change in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Business combination contingent consideration Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount Expected volatility (%) - (Minimum) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Accrued interest receivable Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss Net income (loss) NET INCOME (LOSS) Net income (loss) Net loss Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Proceeds from issuance of common stock upon exercise of stock options Proceeds from Stock Options Exercised Issuance of restricted stock Stock Issued During Period, Value, Restricted Stock Award, Gross Interest income Investment Income, Interest Self-Insurance Self Insurance Reserve [Policy Text Block] Exercisable, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Litigation settlement, excluding accrued interest Litigation Settlement, Amount Awarded to Other Party Schedule of Contract Assets and Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Consecutive trading days (in days) Debt Instrument, Convertible, Threshold Consecutive Trading Days 0.75% Convertible Senior Notes due 2032 2032 Convertible Notes Convertible Notes Due 2032 [Member] Convertible Notes Due 2032 Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Prepaid and other current assets Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current