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calendar year that the entity is required to pay. 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Award, Options, Additional Disclosures [Abstract] Schedule of Lease Cost and Supplemental Cash Flow Information Lease, Cost [Table Text Block] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Total finance lease costs Lease, Cost, Finance Lease Costs Lease, Cost, Finance Lease Costs Operating income (loss) Operating Income (Loss) APAC Asia Pacific [Member] Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Derivative Derivative [Line Items] Related Party Transaction [Domain] Related Party Transaction [Domain] Australian Dollar Australia, Dollars Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Percentage of liabilities obligated to reimburse (as a percent ) Percentage of Liabilities Obligated To Reimburse Percentage of Liabilities Obligated To Reimburse Corporate notes/bonds Corporate Notes/Bonds Corporate Bond Securities [Member] Amount of Gain Recognized in Income on Derivative (Amount Excluded from Effectiveness Testing) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Gain Contingencies [Line Items] Gain Contingencies [Line Items] Schedule of Share-based Compensation, Stock Options, Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Antidilutive Securities Excluded from 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Value [Table] Fair Value Disclosure of Asset and Liability Not Measured at Fair Value [Table] Subsequent Events [Abstract] Subsequent Events [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] 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] Fair Value Marketable Securities Other assets Other Assets, Noncurrent Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Document Type Document Type Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Loss on debt extinguishment Gain (Loss) on Extinguishment of Debt Accrued liabilities and other current liabilities Total accrued liabilities and other current liabilities 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Phone Number Local Phone Number OTHER FINANCIAL INFORMATION Additional Financial Information Disclosure [Text Block] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Net Investment Hedging Net Investment Hedging [Member] Outstanding at period beginning (in USD per share) Outstanding at period ending (in USD per share) Share-based Compensation Arrangement By Share-based Payment Award, Options, Outstanding, Price Share-based Compensation Arrangement By Share-based Payment Award, Options, Outstanding, Price Debt extinguishment costs Payment for Debt Extinguishment or Debt Prepayment Cost Income (loss) before taxes Income (loss) before taxes 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] Gross Carrying Amount Intangible Asset, Finite-Lived, before Accumulated Amortization Finance Lease, Liability, Noncurrent, Statement of Financial Position Flag Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Income (loss) from equity investments Income (Loss) from Equity Method Investments Stockholders' Equity Attributable to Noncontrolling Interest Equity, Attributable to Noncontrolling Interest [Roll Forward] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] China CHINA Amortization of right-of-use assets Finance Lease, Right-of-Use Asset, Amortization Amortized Costs Marketable Securities, 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Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Interest on lease liabilities Finance Lease, Interest Expense FAIR VALUE Fair Value Disclosures [Text Block] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Movement in Standard Product Warranty Accrual Movement in Standard Product Warranty Accrual [Roll Forward] Government agencies Government Agencies US Government Agencies Debt Securities [Member] Supplemental cash flow information: Supplemental Cash Flow Information [Abstract] Debt instrument, redemption price, percentage of principal amount redeemed Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Share price (in USD per share) Share Price Noncontrolling interest, ownership percentage by noncontrolling owners (as a percent) Subsidiary, Ownership Percentage, Noncontrolling Owner PEO Name PEO Name Geographical [Axis] Geographical [Axis] Accrued liabilities and other current and long-term liabilities Increase (Decrease) in Accrued Liabilities Restricted cash Restricted Cash Warranty term Warranty Term Warranty Term Concentration of Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Legal Entity [Axis] Legal Entity [Axis] Other Noncontrolling Interest, Other Changes Noncontrolling Interest, Other Changes Cash and cash equivalents and restricted cash at beginning of period Cash and cash equivalents and restricted cash at end of period Total as presented in the Condensed Consolidated Statements of Cash Flows Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Accounts payable Increase (Decrease) in Accounts Payable Other Other Accrued Liabilities, Current Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Base Rate Base Rate [Member] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table] Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [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] Total 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] Subsequent Event [Table] Subsequent Event [Table] Ownership interest (as a percent) Equity Method Investment, Ownership Percentage Share-based compensation expense Share-Based Payment Arrangement, Noncash Expense Buy Contracts Long [Member] Related party transaction, amounts of transaction Related Party Transaction, Amounts of Transaction Investment, Name [Domain] Investment, Name [Domain] Customer [Domain] Customer [Domain] Schedule of Inventories Schedule of Inventory, Current [Table Text Block] LEASES Lessee, Operating Leases [Text Block] Proceeds from maturities of certificates of deposit Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in USD per share) Basic net income (loss) per share attributable to Varex (in USD per share) Earnings Per Share, Basic Patents, licenses and other Intellectual Property [Member] Deferred revenues Contract with Customer, Liability, Current Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Varian Medical Systems, Inc. Varian Medical Systems, Inc. [Member] Varian Medical Systems, Inc. Long-term debt, net Long-Term Debt, Excluding Current Maturities Award Type Award Type [Axis] Amount of (Loss) Gain Recognized in OCI on Derivative Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net of allowance for credit losses of $1.9 million and $2.1 million at July 3, 2026 and October 3, 2025, respectively Accounts Receivable, after Allowance for Credit Loss, Current Retained earnings (accumulated deficit) Retained Earnings (Accumulated Deficit) Canceled, expired or forfeited (in USD per share) Share-based Compensation Arrangement By Share-based Payment Award, Options, Forfeitures And Expirations in Period, Price Share-based Compensation Arrangement By Share-based Payment Award, Options, Forfeitures And Expirations in Period, Price All Currencies [Domain] All Currencies [Domain] 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] Korean Won Korea (South), Won Japanese Yen Japan, Yen Government agencies Cash Equivalent, US Government Agency Security, Carrying Value Total operating lease costs Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover page. Cover [Abstract] Reclassification of Prior Period Presentation Reclassification, Comparability Adjustment [Policy Text Block] Noncontrolling Interest [Abstract] Noncontrolling Interest [Abstract] IEEPA tariff refund liability IEEPA Tariff Refund Liability IEEPA Tariff Refund Liability Derivative Contract [Domain] Derivative Contract [Domain] Concentration risk (as a percent) Concentration Risk, Percentage Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Foreign currency translation adjustments Goodwill, Foreign Currency Translation, Gain (Loss) Equity Awards Adjustments Equity Awards Adjustments [Member] Hedging Relationship [Domain] Hedging Relationship [Domain] Total liabilities and stockholders' equity Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] Noncontrolling interests Noncontrolling interests, at beginning of period Noncontrolling interests, at end of period Equity, Attributable to Noncontrolling Interest Segments [Axis] Segments [Axis] Environmental Obligations Environmental Costs, Policy [Policy Text Block] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Proceeds from issuance of senior secured notes Proceeds from Issuance of Senior Long-Term Debt Related Party [Domain] Related and Nonrelated Parties [Domain] Delayed Draw Term Loan Facility Delayed Draw Term Loan Facility [Member] Delayed Draw Term Loan Facility [Member] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Joint Venture In Saudi Arabia Joint Venture In Saudi Arabia [Member] Joint Venture In Saudi Arabia [Member] Other (expense) income, net Other Nonoperating Income (Expense) Repayments of senior debt Repayments of Senior Debt Other debt Other Debt Obligations [Member] Total Varex Equity Parent [Member] Name Awards Close in Time to MNPI Disclosures, Individual Name Stockholders' equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] 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] Outstanding aggregate intrinsic value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Mexican Peso Mexico, Pesos Restricted stock units, canceled or expired in period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Realized gain on forward contracts Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt Term Loan Facility Term Loan Facility [Member] Term Facility [Member] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Adjustment to Compensation: Adjustment to Compensation [Axis] Marketable securities credit loss Marketable Security, Unrealized Gain (Loss) Hedging Designation [Domain] Hedging Designation [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Operating cash flows from finance leases Finance Lease, Interest Payment on Liability Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Extinguishment of debt, amount Extinguishment of Debt, Amount Hedging Designation [Axis] Hedging Designation [Axis] Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total assets measured at fair value Assets, Fair Value Disclosure Equity Method Investments and Marketable Securities Investment, Policy [Policy Text Block] Name Measure Name TAXES ON (LOSS) INCOME 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] Other, net Other Noncash Income (Expense) Debt Instrument Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Teledyne Teledyne Technologies Incorporated [Member] Teledyne Technologies Incorporated Additional Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Impairment of goodwill Goodwill, Impairment Loss Name Trading Arrangement, Individual Name Current maturities of long-term debt: Long-Term Debt, Current Maturities [Abstract] Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Position [Domain] Position [Domain] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Indian Rupee India, Rupees Schedule of Gains and (Losses) on Marketable Securities Gain (Loss) on Securities [Table Text Block] Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Net income (loss) Net income (loss) Net income Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Business Combination, Price Per Share Business Combination, Price Per Share Noncash finance right-of-use assets obtained in exchange for new lease liabilities Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Current assets: Assets, Current [Abstract] MeVis Medical Solutions AG (MeVis) MeVis Medical Solutions AG (MeVis) [Member] MeVis Medical Solutions AG (MeVis) [Member] Derivative liabilities Derivative Liability Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Noncash operating right-of-use assets obtained in exchange for new lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Restricted stock units, vested in period (in USD 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 expense Income tax expense Income tax expense Income Tax Expense (Benefit) Customer Concentration Risk Customer Concentration Risk [Member] Cost of revenues Cost of Product and Service Sold Award Timing Method Award Timing Method [Text Block] Consolidation Consolidation, Policy [Policy Text Block] Net decrease in cash and cash equivalents and restricted cash 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] Adjustment for actual vs. reserved product returns Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in 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Interest Options, exercisable, weighted average exercise price (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Leases Lessee, Leases [Policy Text Block] Schedule of Right of Return Assets and Refund Liabilities Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Federal Funds Effective Swap Rate Fed Funds Effective Rate Overnight Index Swap Rate [Member] Derivative assets fair value, gross Derivative Asset, Subject to Master Netting Arrangement, before Offset Product Warranty Standard Product Warranty, Policy [Policy Text Block] Refund Liabilities Change in Contract with Customer, Liability [Abstract] Japan JAPAN Costs recovered from product returns during the period Contract With Customer, Right To Recover, Product Costs Recovered Contract With Customer, Right To Recover, Product Costs Recovered Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Financial Support to Nonconsolidated Legal Entity [Domain] Financial Support to Nonconsolidated Legal Entity [Domain] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]