Document and Entity Information Document Type Document Type Document Quarterly Report Document Period End Date Document Period End Date Document Transition Report Securities Act File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag CONSOLIDATED BALANCE SHEETS Statement [Table] Statement [Table] Statement [Line Items] Statement Assets [Abstract] ASSETS Assets, Current [Abstract] CURRENT ASSETS Cash and Cash Equivalent Cash and cash equivalents Short-Term Investments Short-term investments Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable, less allowances (2026 - $8,884; 2025 - $7,763) Other Receivables, Net, Current Other accounts receivable, less allowances (2026 - $713; 2025 - $656) Prepaid Expense, Current Prepaid expenses This element represents carrying amount as of the balance sheet date of payments made in advance for income taxes, which will be charged against earnings within one year or the normal operating cycle, if longer. Also represents, carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Prepaid and Income Taxes Receivable, Current Prepaid and refundable income taxes Other Assets, Current Other Assets, Current TOTAL CURRENT ASSETS Property, Plant and Equipment, Gross [Abstract] PROPERTY, PLANT AND EQUIPMENT Gross amount as of the balance sheet date of real estate held for productive use and long-lived depreciable assets that include building structures held for productive use including any addition, improvement, or renovation to the structure, such as interior masonry, interior flooring, electrical, and plumbing. Land and Structures, Gross Land and structures Machinery and Equipment, Gross Revenue equipment Gross amount at the balance sheet date for long-lived, depreciable assets used for providing services including assets commonly used in offices and other assets not otherwise defined in the taxonomy. Service, Office and Other Equipment, Gross Service, office, and other equipment Amount before accumulated depreciation of internally developed and purchased software. Software Internally Developed And Purchased Gross Software Leasehold Improvements, Gross Leasehold improvements Property, Plant and Equipment, Gross TOTAL PROPERTY, PLANT AND EQUIPMENT, Gross Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less allowances for depreciation and amortization Property, Plant and Equipment, Net PROPERTY, PLANT AND EQUIPMENT, net Goodwill Goodwill GOODWILL Intangible Assets, Net (Excluding Goodwill) INTANGIBLE ASSETS, net Operating Lease, Right-of-Use Asset OPERATING RIGHT-OF-USE ASSETS Deferred Income Tax Assets, Net DEFERRED INCOME TAXES Other Assets, Noncurrent OTHER LONG-TERM ASSETS Assets TOTAL ASSETS Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities, Current [Abstract] CURRENT LIABILITIES Accounts Payable, Current Accounts payable Accrued Income Taxes, Current Income taxes payable Accrued Liabilities, Current Accrued expenses Long-Term Debt, Current Maturities Less current portion Current portion of long-term debt Operating Lease, Liability, Current Current portion of operating lease liabilities Liabilities, Current TOTAL CURRENT LIABILITIES Long-Term Debt, Excluding Current Maturities Long-term debt, less current portion LONG-TERM DEBT, less current portion Operating Lease, Liability, Noncurrent OPERATING LEASE LIABILITIES, less current portion Liability, Defined Benefit Plan, Noncurrent POSTRETIREMENT LIABILITIES, less current portion Deferred Income Tax Liabilities, Net DEFERRED INCOME TAXES Other Liabilities, Noncurrent OTHER LONG-TERM LIABILITIES Commitments and Contingencies COMMITMENTS AND CONTINGENCIES Equity, Attributable to Parent [Abstract] STOCKHOLDERS' EQUITY Common Stock, Value, Issued Common stock, $0.01 par value, authorized 70,000,000 shares; issued 2026: 30,579,951 shares; 2025: 30,489,886 shares Additional Paid in Capital, Common Stock Additional paid-in capital Retained Earnings (Accumulated Deficit) Retained earnings Treasury Stock, Common, Value Treasury stock, at cost, 2026: 8,232,856 shares; 2025: 8,140,368 shares Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Equity, Attributable to Parent Balances Balances Total after-tax amount TOTAL STOCKHOLDERS' EQUITY Liabilities and Equity TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Amount of allowance for credit losses and reserve for customer deductions. Allowances For Credit Losses And Reserve For Customer Deductions Accounts receivable, allowances (in dollars) Allowance for Credit Loss, Receivable, Other, Current Other accounts receivable, allowances (in dollars) Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, authorized shares Common Stock, Shares, Issued Common stock, issued shares Treasury Stock, Common, Shares Balances, Treasury stock (in shares) Balances, Treasury stock (in shares) Treasury stock, at cost, shares CONSOLIDATED STATEMENTS OF OPERATIONS Revenue from Contract with Customer, Excluding Assessed Tax REVENUES Revenues Costs and Expenses OPERATING EXPENSES Total consolidated operating expenses Operating Income (Loss) OPERATING INCOME (LOSS) Operating income (loss) Nonoperating Income (Expense) [Abstract] OTHER INCOME (COSTS) Investment Income, Interest and Dividend Interest and dividend income Interest and Debt Expense Interest and other related financing costs Other Nonoperating Income (Expense) Other, net The aggregate amount of income or expense from ancillary business-related activities and interest and debt related expenses associated with nonoperating financing activities of the entity. Nonoperating Income (Expense) and Interest and Debt Expense Total other income (costs) Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest INCOME (LOSS) BEFORE INCOME TAXES Income Tax Expense (Benefit) INCOME TAX PROVISION (BENEFIT) NET INCOME (LOSS) Net income (loss) EARNINGS PER SHARE EARNINGS PER COMMON SHARE Earnings Per Share, Basic Basic (in dollars per share) Earnings per common share (in dollars per share) Earnings Per Share, Diluted Diluted (in dollars per share) Earnings per common share (in dollars per share) Weighted Average Number of Shares Outstanding, Diluted [Abstract] AVERAGE COMMON SHARES OUTSTANDING Weighted Average Number of Shares Outstanding, Basic Basic (in shares) Weighted-average shares (in shares) Weighted Average Number of Shares Outstanding, Diluted Diluted (in shares) Adjusted weighted-average shares and assumed conversions CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] OTHER COMPREHENSIVE INCOME (LOSS), net of tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax Amortization of actuarial gain included in net periodic benefit credit, net of tax (2026 - Three-month period $39, Six-month period $78) (2025 - Three-month period $54, Six-month period $108) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Change in foreign currency translation, net of tax: (2026 - Three-month period $77, Six-month period $99) (2025 - Three-month period $241, Six-month period $175) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Other comprehensive loss, net of tax OTHER COMPREHENSIVE INCOME (LOSS), net of tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent TOTAL COMPREHENSIVE INCOME (LOSS) Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax Amortization of actuarial gain included in net periodic benefit credit, tax Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Change in foreign currency translation, tax CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid-in Capital [Member] Additional Paid-In Capital Retained Earnings [Member] Retained Earnings Treasury Stock, Common [Member] Treasury Stock AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Shares, Issued Balances (in shares) Balances (in shares) Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Issuance of common stock under share-based compensation plans Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Issuance of common stock under share-based compensation plans (in shares) Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Shares withheld for employee tax remittance on share-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Share-based compensation expense Treasury Stock, Value, Acquired, Cost Method Purchase of treasury stock Treasury Stock, Shares, Acquired Number of shares repurchased during the period Purchase of treasury stock (in shares) Dividends, Common Stock, Cash Dividends declared on common stock Dividend amount (in dollars) CONSOLIDATED STATEMENTS OF CASH FLOWS Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] OPERATING ACTIVITIES Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income (loss) Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Adjustments to reconcile net income (loss) to net cash provided by operating activities: Depreciation Depreciation and amortization Amortization of Intangible Assets Amortization of intangibles Share-Based Payment Arrangement, Noncash Expense Share-based compensation expense Accounts Receivable, Credit Loss Expense (Reversal) Provision for losses on accounts receivable Deferred Income Taxes and Tax Credits Change in deferred income taxes Gain (Loss) on Disposition of Property Plant Equipment Gain on sale of property and equipment (Gain) loss on sale of property and equipment Asset Impairment Charges Impairment charges Asset impairment charges Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease) Change in fair value of contingent consideration Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Receivables Receivables Increase (Decrease) in Prepaid Expense Prepaid expenses Increase (Decrease) in Other Operating Assets Other assets Increase (Decrease) in Income Taxes Income taxes The increase (decrease) during the reporting period in operating right-of-use assets and lease liabilities, net. Increase (Decrease) in Operating Right-of-Use Assets and Lease Liabilities, Net Operating right-of-use assets and lease liabilities, net Changes in operating right-of-use assets and lease liabilities, net The increase (decrease) during the reporting period in the aggregate amount of obligations incurred but not paid, accrued expenses incurred but not paid, and other operating obligations not separately disclosed in the statement of cash flows. Increase (Decrease) in Accounts Payable Accrued Expenses and Other Liabilities Accounts payable, accrued expenses, and other liabilities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation NET CASH PROVIDED BY OPERATING ACTIVITIES Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] INVESTING ACTIVITIES Payments to Acquire Property, Plant, and Equipment Purchases of property, plant and equipment, net of financings Proceeds from Sale of Property, Plant, and Equipment Proceeds from sale of property and equipment Proceeds from Sale of Short-Term Investments Proceeds from sale of short-term investments Payments to Develop Software Capitalization of internally developed software Payment for (Proceeds from) Other Investing Activity Other investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation NET CASH USED IN INVESTING ACTIVITIES Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] FINANCING ACTIVITIES Proceeds from Lines of Credit Borrowings under credit facilities Repayments of Long-Term Debt Payments on long-term debt Increase (Decrease) in Book Overdrafts Net change in book overdrafts The cash flow impact for deferred financing costs categorized as financing activities. Deferred Financing Costs, Cash Flow Deferred financing costs Payments of Ordinary Dividends, Common Stock Payment of common stock dividends Payments for Repurchase of Common Stock Purchases of treasury stock Aggregate cost of shares repurchased Payment, Tax Withholding, Share-Based Payment Arrangement Payments for tax withheld on share-based compensation Cash Provided by (Used in) Financing Activity, Including Discontinued Operation NET CASH USED IN FINANCING ACTIVITIES Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Cash and cash equivalents at beginning of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation CASH AND CASH EQUIVALENTS AT END OF PERIOD Noncash Investing and Financing Items [Abstract] NONCASH INVESTING ACTIVITIES Fair Value of Assets Acquired Equipment financed Capital Expenditures Incurred but Not yet Paid Accruals for equipment received Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Lease liabilities arising from obtaining right-of-use assets Right-of-use assets obtained in exchange for operating lease liabilities ORGANIZATION AND DESCRIPTION OF THE BUSINESS AND FINANCIAL STATEMENT PRESENTATION Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] ORGANIZATION AND DESCRIPTION OF THE BUSINESS AND FINANCIAL STATEMENT PRESENTATION FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS GOODWILL AND INTANGIBLE ASSETS Goodwill and Intangible Assets Disclosure [Text Block] GOODWILL AND INTANGIBLE ASSETS INCOME TAXES Income Tax Disclosure [Text Block] INCOME TAXES LEASES Lessee, Operating Leases [Text Block] LEASES LONG-TERM DEBT AND FINANCING ARRANGEMENTS Debt Disclosure [Text Block] LONG-TERM DEBT AND FINANCING ARRANGEMENTS STOCKHOLDERS' EQUITY Equity [Text Block] STOCKHOLDERS' EQUITY Earnings Per Share [Text Block] EARNINGS PER SHARE OPERATING SEGMENT DATA Segment Reporting Disclosure [Text Block] OPERATING SEGMENT DATA REVENUE RECOGNITION Revenue from Contract with Customer [Text Block] REVENUE RECOGNITION Commitments and Contingencies Disclosure [Abstract] Legal Matters and Contingencies [Text Block] COMMITMENTS AND CONTINGENCIES Basis of Accounting, Policy [Policy Text Block] Financial Statement Presentation New Accounting Pronouncements, Policy [Policy Text Block] Accounting Pronouncements Not Yet Adopted Fair Value, by Balance Sheet Grouping [Table Text Block] Schedule components of cash and cash equivalents, short term investments, and restricted funds Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Schedule of fair value and carrying value disclosures of financial instruments Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of financial assets and liabilities measured at fair value on a recurring basis Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Table Text Block] Schedule of financial assets of level 3 fair value hierarchy significant unobservable input Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of intangible assets Lease, Cost [Table Text Block] Schedule of components of lease expense Tabular disclosure of cash flow activity from operating lease. Lease, Operating Lease Cash Flow Activity [Table Text Block] Schedule of operating cash flows from operating lease activity Schedule of Debt [Table Text Block] Schedule of long-term debt Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Components of accumulated other comprehensive income (loss) Comprehensive Income (Loss) [Table Text Block] Summary of changes in accumulated other comprehensive income (loss), net of tax, by component Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Summary of the significant reclassifications out of accumulated other comprehensive income by component Dividends Declared [Table Text Block] Summary of dividends declared Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of computation of basic and diluted earnings (loss) per share Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of reportable operating segment information Tabular disclosure of each detailed component of consolidated operating expenses. Schedule of Consolidated Operating Expense, by Component [Table Text Block] Schedule of consolidated operating expenses by component Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Schedule of revenues from customers and intersegment revenues Concentration Risk [Table] Concentration Risk [Table] Segments [Axis] Segments [Domain] Asset-Based segment which consists of ABF Freight System, Inc. and certain other subsidiaries. Asset Based Segment [Member] Asset-Based Asset-Light segment, the company's logistics operations. Asset-Light Segment [Member] Asset-Light Concentration Risk Type [Axis] Concentration Risk Type [Domain] Unionized Employees Concentration Risk [Member] Unionized employees concentration risk Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Number of Employees, Total [Member] Number of employees Statistical Measurement [Axis] Statistical Measurement [Domain] Minimum [Member] Minimum Maximum [Member] Maximum Scenario [Axis] Scenario [Domain] Forecast [Member] Forecast Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Domain] Represents information pertaining to equipment and other assets associated with Vaux Freight Movement System. Equipment and Other Assets Associated With Vaux [Member] Vaux Equipment and other assets Indefinite-Lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Trade Names [Member] Trade name Concentration Risk [Line Items] Organization and description of business Number of Reportable Segments Number of reportable operating segments Percentage of the entity's revenues before other revenues and intercompany eliminations represented by a specified segment. Segment Percentage Of Revenue Before Other Revenues And Intercompany Eliminations Percentage of the Company's revenues, before other revenues and intercompany eliminations, represented by the Asset-Based segment Concentration Risk, Percentage Percentage of Asset-Based segment employees covered under collective bargaining agreement with the IBT The number of positions expected to be eliminated as a percentage of total positions eliminated during the period in connection with the restructuring plan(s). Restructuring and Related Cost, Expected Number of Positions Eliminated, Percent Percentage of reduction in workforce The number of freight service centers that are proposed to be closed as part of restructuring plan. Restructuring and Related Cost, Number Of Freight Service Centers Proposed To be Closed Number of freight service centers proposed to be closed The number of freight service centers proposed to be eliminated as a percentage of total network doors in connection with the restructuring plan(s). Restructuring and Related Cost, Percent Of Network Doors Proposed To Be Closed Percentage of network doors proposed to be closed Restructuring Charges Restructuring charges Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) Intangible assets - indefinite-lived, impairment charges Impairment of indefinite-lived intangible asset Impairment Charge Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Investment Type [Axis] Investments [Domain] Cash [Member] Cash deposits Money Market Funds [Member] Money market funds Certificates of Deposit [Member] Certificates of deposit Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair value disclosure Concentration Risks, Types, No Concentration Percentage [Abstract] Concentrations of Credit Risk of Financial Instruments The amount of cash deposits and short-term investments as of the balance sheet date that were neither insured by the Federal Deposit Insurance Corporation nor direct obligations of the U.S. government. Deposits Uninsured Amount Cash deposits and short-term investments which were not FDIC insured Financial Instrument [Axis] Financial Instruments [Domain] Notes Payable, Other Payables [Member] Notes payable New England Pension Fund withdrawal liability. New England Pension Fund Withdrawal Liability [Member] New England Pension Fund withdrawal liability Measurement Basis [Axis] Portion at Fair Value Measurement [Member] Reported Value Measurement [Member] Carrying Value Estimate of Fair Value Measurement [Member] Fair Value Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 2 [Member] Level 2 Location, Statement of Financial Position, Balance [Axis] Financial Liabilities Fair Value Disclosure Financial instruments Fair Value, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Measurement Frequency [Domain] Fair Value, Recurring [Member] Recurring basis Fair Value, Inputs, Level 1 [Member] Level 1 Fair Value, Inputs, Level 3 [Member] Level 3 Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair value measurement Assets and liabilities measured at fair value on a recurring basis Assets, Fair Value Disclosure [Abstract] Assets: Cash and Cash Equivalents, Fair Value Disclosure Money market funds Investments, Fair Value Disclosure Equity, bond, and money market mutual funds held in trust related to the Voluntary Savings Plan Assets, Fair Value Disclosure Assets Fair Value, Nonrecurring [Member] Nonrecurring basis Consolidation Items [Axis] Consolidation Items [Domain] Operating Segments [Member] Operating Segments Other business activities and operating segments that are not reportable and eliminating entries used in consolidating a parent entity and its subsidiaries. Eliminations And Reconciling Items [Member] Other and eliminations Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Patents [Member] Patents Leaseholds and Leasehold Improvements [Member] Leaseholds Other Assets, Fair Value Disclosure Other current assets Fair value of service, office and other equipment. Service, Office and Other Equipment, Fair Value Disclosure Service, office and other equipment Fair value of capitalized cost for software to be sold, leased, or marketed. Capitalized Cost, Software To Be Sold, Leased, Or Marketed, Fair Value Disclosure Software Fair value of operating lease, right-of-use assets. Operating Right Of Use Asset, Fair Value Disclosure Operating right-of-use assets Indefinite-Lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure Intangible assets - indefinite-lived Finite-Lived Intangible Assets, Fair Value Disclosure Intangible assets - finite-lived Fair value portion of additions or improvements to assets held under a lease arrangement. Leasehold Improvements, Fair Value Disclosure Leasehold improvements Asset Impairment Charges [Abstract] Impairment Charges Other Asset Impairment Charges Other current assets Amount of impairment loss from service, office and other equipment. Service, Office and Other Equipment, Impairment Loss Service, office and other equipment Capitalized Cost, Software to be Sold, Leased, or Marketed, Impairment Loss Software Operating Lease, Impairment Loss Operating right-of-use assets Operating right-of-use assets right-of-use asset impairment Intangible Asset, Finite-Lived, Impairment Loss Intangible assets - finite-lived, Impairment charges Impairment of Leasehold Leasehold improvements Value of input used to measure operating right-of-use assets and leasehold improvements. Operating Right-of-Use Assets and Leasehold Improvements, Measurement Input Discount rate Indicates valuation technique for leased assets, operating right-of-use assets and leasehold improvements. Leased Assets, Operating Right-Of-Use Assets and Leasehold Improvements, Valuation Technique [Extensible Enumeration] Operating Right-Of-Use Assets and Leasehold Improvements, Valuation Technique Indicates measurement input for leased assets. Leased Assets, Operating Right-Of-Use Assets and Leasehold Improvements, Measurement Input [Extensible Enumeration] Operating Right-Of-Use Assets and Leasehold Improvements, Measurement Input Goodwill [Table] Schedule of Goodwill [Table] Goodwill [Line Items] GOODWILL Goodwill [Roll Forward] Goodwill by reportable operating segment Intangible Asset, Indefinite-Lived [Table] Indefinite-Lived Intangible Assets [Line Items] Indefinite-lived intangible assets Fair value of definite and indefinite intangible assets. Intangible Assets, Fair Value Disclosure Intangible assets fair value Intangible Asset, Finite-Lived [Table] Customer Relationships [Member] Customer relationships Other Intangible Assets [Member] Other intangible assets Intangible Asset, Finite-Lived [Line Items] Finite-Lived Intangible Assets, Net [Abstract] Finite-lived intangible assets Finite-Lived Intangible Asset, Useful Life Weighted Average Amortization Period Finite-Lived Intangible Assets, Gross Cost Finite-Lived Intangible Assets, Accumulated Amortization Accumulated Amortization Finite-Lived Intangible Assets, Net Net Value Effective Income Tax Rate Reconciliation, Percent Effective tax rate (as a percent) Percentage of average state statutory tax rate applicable to pretax income (loss). State Statutory Income Tax Rate, Average Percent Average state tax rate (as a percent) Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Increase (decrease) in valuation allowance Operating Lease, Cost Operating lease expense Variable Lease, Cost Variable lease expense Sublease Income Sublease income Lease, Cost Total operating lease expense Lessee, Lease, Description [Table] Lessee, Lease, Description [Line Items] Leases Lessee, Operating Lease, Description [Abstract] Operating leases Operating Lease, Right-of-Use Asset, Periodic Reduction Noncash change in operating right-of-use assets Amount of cash outflow for obtaining right-of-use assets. Payments to Obtain Right-of-Use Assets Cash payments to obtain right-of-use assets Increase (Decrease) in Operating Lease Liability Change in operating lease liabilities Supplemental Cash Flow Information [Abstract] Supplemental cash flow information Operating Lease, Payments Cash paid for amounts included in the measurement of operating lease liabilities Schedule of Long-Term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument [Line Items] Financing Arrangements Long-term debt obligations Long-Term Debt Long-term debt Long-term debt Debt, Weighted Average Interest Rate Weighted-average interest rate (as a percent) Debt Instrument, Collateral Amount Assets securing notes payable Revolving Credit Facility [Member] Credit Facility Swing line facility under revolving credit facility arrangement. Revolving Credit Facility Swing Line Facility [Member] Swing Line Facility Sub-facility for the issuance of letters of credit under the entity's revolving credit facility. Letters Of Credit Sub-Credit Facility [Member] Letters of Credit, Sub-Facility Line of Credit Facility, Maximum Borrowing Capacity Maximum borrowing capacity Additional borrowing capacity that may be requested by the entity under the credit facility, subject to conditions contained in the debt agreement. Line of Credit Facility, Additional Borrowing Capacity Additional borrowing capacity that may be requested Letters of Credit Outstanding, Amount Outstanding letters of credit Line of Credit Facility, Remaining Borrowing Capacity Remaining borrowing capacity The entity's accounts receivable securitization program under which a designated pool of trade accounts receivable is continuously sold to a wholly owned subsidiary, which is a bankruptcy-remote entity, which may borrow funds on a revolving basis. Accounts Receivable Securitization Program [Member] Accounts receivable securitization program Proceeds from Issuance of Debt Assets financed during the period under promissory note arrangements Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Unrecognized Net Periodic Benefit Credit Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Foreign Currency Translation Accumulated Other Comprehensive Income (Loss) [Line Items] Changes in accumulated other comprehensive income (loss), net of tax, by component Accumulated Other Comprehensive Income (Loss) AOCI before Tax, Attributable to Parent Total pre-tax amount AOCI Attributable to Parent, Net of Tax [Roll Forward] Changes in accumulated other comprehensive income (loss), net of tax, by component OCI, before Reclassifications, Net of Tax, Attributable to Parent Other comprehensive loss before reclassifications Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Amounts reclassified from accumulated other comprehensive income (loss) Total, net of tax Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] Amortization of net actuarial gain Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Significant reclassifications out of accumulated other comprehensive income (loss) by component Reclassification from AOCI, Current Period, before Tax, Attributable to Parent Total, pre-tax Reclassification from AOCI, Current Period, Tax Tax expense Stock, Class of Stock [Table] Dividends [Axis] Dividends [Domain] A regular quarterly dividend for Q3 in 2026. O2026 Q3 Dividends [Member] 2026 Quarter 3 Dividends Class of Stock [Line Items] Dividends, Common Stock [Abstract] Dividends on Common Stock Dividends Payable, Date Declared Date dividends declared Common Stock, Dividends, Per Share, Declared Dividends declared (in dollars per share) Dividends Payable, Date of Record Dividends date of record Share Repurchase Program [Axis] Share Repurchase Program [Domain] The program authorized by the entity's Board of Directors for the repurchase of stock. Excludes Accelerated Share Repurchase Program. Stock Repurchase Program [Member] Stock Repurchase Program -- None. No documentation exists for this element. -- Treasury Stock [Abstract] Treasury Stock Share Repurchase Program, Remaining Authorized, Amount Amount available for repurchase Earnings Per Share, Basic [Abstract] Basic BASIC EARNINGS PER COMMON SHARE Earnings Per Share, Diluted [Abstract] Diluted DILUTED EARNINGS PER COMMON SHARE Weighted Average Number of Shares Outstanding, Diluted, Adjustment Effect of dilutive securities Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Outstanding stock awards not included in calculation of diluted loss per share (in shares) Schedule of Segment Reporting Information, by Segment [Table] Represents the information pertaining to service center. Services Center [Member] Service Center Segment Reporting Information [Line Items] Costs and Expenses [Abstract] OPERATING EXPENSES This element represents expenses for transportation services purchased from third parties. Purchased Transportation Purchased transportation Labor and Related Expense Salaries, wages, and benefits Fuel costs incurred that are directly related to services rendered during the reporting period and the cost of materials used in services rendered during the reporting period. It also includes costs related to selling products and services, as well as other general and administrative expenses not separately disclosed in operating expenses and costs. Fuel, Supplies and Expenses Fuel, supplies, and expenses Cost, Direct Tax and License Operating taxes and licenses Operating Insurance and Claims Costs, Production Insurance Direct Communications and Utilities Costs Communications and utilities Costs related to selling products and services, as well as other general and administrative expenses not separately disclosed in operating expenses and costs. Supplies and Expenses Supplies and expenses Depreciation, Depletion and Amortization Depreciation and amortization This element represents expenses of rent and transportation services purchased from third parties. Rents and Purchased Transportation Rents and purchased transportation Cost associated with shared services provided by corporate entity. Shared Services Shared services Amount of contingent consideration expense, net. Contingent Consideration, Expense Contingent consideration Other Cost and Expense, Operating Other Operating Income (Loss) [Abstract] OPERATING INCOME This element represents expenses of rent, transportation services, and other costs of services purchased from third parties. Rents, Purchased Transportation, Other Costs of Services Rents, purchased transportation, and other costs of services Disaggregation of Revenue [Table] Intersegment Eliminations [Member] Intersegment revenues Corporate Segment and Other Operating Segment [Member] Other Disaggregation of Revenue [Line Items] Revenues [Abstract] REVENUES Revenue, Remaining Performance Obligation, Optional Exemption, Performance Obligation [true false] Recorded Unconditional Purchase Obligation Total purchase obligation Purchase Obligation, to be Paid, Year One Purchase obligation expected to be paid within one year Amount of increase (decrease) in recorded unconditional obligations. Recorded Unconditional Purchase Obligation, Period Increase (Decrease) Recorded unconditional purchase obligation