Organization, Consolidation and Presentation of Financial Statements [Abstract] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Structures [Member] Building and Building Improvements [Member] Revenue equipment [Member] Revenue Equipment [Member] Revenue Equipment Technology equipment and software [Member] Technology Equipment And Software [Member] Technology Equipment And Software [Member] Other [Member] Property, Plant and Equipment, Other Types [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Land Land Structures Buildings and Improvements, Gross Revenue equipment Revenue Equipment Revenue Equipment Technology equipment and software Technology Equipment And Software Technology Equipment And Software Other Property, Plant and Equipment, Other, Gross Total cost Property, Plant and Equipment, Gross Property, plant and equipment, service life Property, Plant and Equipment, Useful Life Depreciation Depreciation Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Statement [Table] Statement [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Stock Options [Member] Employee Stock Option [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Second Union Employee Option Plan [Member] Second Union Employee Option Plan [Member] Second Union Employee Option Plan [Member] Statement [Line Items] Statement [Line Items] Stock Options Outstanding [Table Text Block] Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] Restricted Stock and Restricted Stock Units Activity [Table Text Block] Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Restricted Stock And Restricted Stock Units Vesting Term [Table Text Block] Schedule Of Share Based Compensation, Restricted Stock And Restricted Stock Units Vesting Term [Table Text Block] Schedule Of Share Based Compensation, Restricted Stock And Restricted Stock Units Vesting Term [Table Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Intangibles Intangible Assets Disclosure [Text Block] Debt Disclosure [Abstract] 2014 Financing Transactions Financial Restructuring [Text Block] Financial Restructuring [Text Block] Document And Entity Information [Abstract] Document and Entity Information [Abstract] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Public Float Entity Public Float Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Schedule of Indefinite-Lived Intangible Assets [Table] Schedule of Indefinite-Lived Intangible Assets [Table] Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] YRC Freight [Member] YRC Freight [Member] YRC Freight [Member] Regional Transportation [Member] Regional Transportation [Member] Regional Transportation [Member] Indefinite-lived Intangible Assets [Line Items] Indefinite-lived Intangible Assets [Line Items] Indefinite-lived Intangible Assets [Roll Forward] Indefinite-lived Intangible Assets [Roll Forward] Balance Indefinite-Lived Intangible Assets (Excluding Goodwill) Change in foreign currency exchange rates Indefinite-lived Intangible Assets, Translation Adjustments Balance Debt and Financing Debt Disclosure [Text Block] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Other Assets Other Assets Disclosure [Text Block] Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table] Exercise Price Range [Axis] Exercise Price Range [Axis] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] $ 3,600 - 325,950 Exercise Price, Range One [Member] Exercise Price, Range One [Member] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] Range of exercise prices, lower limit Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit Range of exercise prices, upper limit Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit Outstanding, Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Outstanding, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Outstanding, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Exercisable, Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Exercisable, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Granted, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Exercised, Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercised, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Forfeited / expired, Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Forfeited / expired, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Statement of Financial Position [Abstract] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Series A Preferred Stock [Member] Series A Preferred Stock [Member] Series B Preferred Stock [Member] Series B Preferred Stock [Member] Assets Assets [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted amounts held in escrow Restricted Cash and Cash Equivalents, Current Accounts receivable, less allowances of $10.0 and $9.3 Accounts Receivable, Net, Current Fuel and operating supplies Other Inventory, Supplies, Gross Prepaid expenses and other Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property and Equipment: Property, Plant and Equipment, Net [Abstract] Cost Less – accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Net property and equipment Property, Plant and Equipment, Net Intangibles, net Intangible Assets, Net (Excluding Goodwill) Restricted amounts held in escrow Restricted Cash and Cash Equivalents, Noncurrent Deferred income taxes, net Deferred Tax Assets, Net, Noncurrent Other assets Other Assets, Noncurrent Total Assets Assets Liabilities and Shareholders’ Deficit Liabilities and Equity [Abstract] Accounts payable Accounts Payable, Current Wages, vacations and employees’ benefits Employee-related Liabilities, Current Deferred income taxes, net Deferred Tax Liabilities, Net, Current Claims and insurance accruals Claims And Insurance Accruals Current Claims And Insurance Accruals Current Other current and accrued liabilities Other Accrued Liabilities, Current Current maturities of long-term debt Long-term Debt, Current Maturities Total current liabilities Liabilities, Current Other Liabilities: Liabilities, Noncurrent [Abstract] Long-term debt, less current portion Long-term Debt, Excluding Current Maturities Deferred income taxes, net Deferred Tax Liabilities, Net, Noncurrent Pension and postretirement Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent Claims and other liabilities Claims and Insurance Accruals Noncurrent Claims and insurance accruals noncurrent. Shareholders’ Deficit: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Cumulative preferred stock, $1 par value per share - authorized 5,000,000 shares: Series A Preferred stock, shares issued 1, liquidation preference $1 Preferred Stock, Value, Issued Common stock, $0.01 par value per share - authorized 95,000,000 and 33,333,333 shares, issued 30,667,000 and 10,173,000 shares Common Stock, Value, Issued Capital surplus Additional Paid in Capital Accumulated deficit Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Treasury stock, at cost (410 shares) Treasury Stock, Value Total shareholders’ deficit Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total Liabilities and Shareholders’ Deficit Liabilities and Equity Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Senior B Notes [Domain] 2014 Term Loan [Domain] [Domain] 2014 Term Loan [Domain] Other Debt Obligations [Member] Other Debt Obligations [Member] Lease financing obligations [Member] Lease financing obligations [Member] Lease financing obligations [Member] Restructured Term Loan [Member] Restructured Term Loan [Member] Restructured Term Loan [Member] Series B Note [Member] Series B Note [Member] Series B Note [Member] Line of Credit [Member] Line of Credit [Member] Senior Notes [Member] Senior Notes [Member] Pension Contribution Deferral Obligation [Member] Pension Contribution Deferral Obligation [Member] Pension Contribution Deferral Obligation [Member] A&R CDA AR CDA [Member] A&R CDA [Member] Secured Second A&R CDA [Member] Secured Second A&R CDA [Member] Secured Second A&R CDA [Member] Unsecured Second A&R CD [Member] Unsecured Second A&R CD [Member] Unsecured Second A&R CD [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] 2014 ABL Facility Credit Agreement [Member] 2014 ABL Facility Credit Agreement [Member] 2014 ABL Facility Credit Agreement [Member] Senior B Notes Senior B Notes [Member] Senior B Notes Lease Financing Obligation Lease Financing Obligation [Member] Lease Financing Obligation [Member] ABL facility - Term B [Member] ABL facility - Term B [Member] ABL facility - Term B [Member] ABL facility - Term A [Member] ABL Facility Term A [Member] ABL facility - Term A [Member] Senior B Notes [Domain] Senior B Notes [Domain] Senior B Notes [Domain] Secured Second A&R CDA Secured CDA [Domain] Secured CDA [Domain] Unsecured Second A&R CDA Unsecured CDA [Domain] Unsecured CDA [Domain] 6% convertible senior notes [Domain] 6% convertible senior notes [Domain] 6% convertible senior notes [Domain] Senior A Notes [Member] Senior A Notes [Domain] Senior A Notes [Domain] Six Percent Senior Convertible Notes [Member] Six Percent Senior Convertible Notes [Member] Six Percent Senior Convertible Notes [Member] Amended and Restated Contribution Deferral Agreement [Member] Amended and Restated Contribution Deferral Agreement [Member] Amended and Restated Contribution Deferral Agreement [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Par value Long-term Debt, Gross Premium/(Discount), Debt Debt Instrument, Unamortized Discount (Premium), Net Long-term debt Long-term Debt Interest rate Debt Instrument, Interest Rate, Stated Percentage Stated interest rate, minimum Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum Stated interest rate, floor Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum Effective Interest Rate Debt Instrument, Interest Rate, Effective Percentage Par Value, Current Maturities Debt Instrument, Gross, Current Maturities Debt Instrument, Gross, Current Maturities Premium/(Discount), Current Maturities Debt Instrument, Unamortized Discount (Premium), Net, Current Maturities Debt Instrument, Unamortized Discount (Premium), Net, Current Maturities Long-term Debt, Current Maturities Par value, excluding current maturities Debt Instrument, Face Amount, Excluding Current Maturities Debt Instrument, Face Amount, Excluding Current Maturities Premium/(Discount), Noncurrent Maturities Debt Instrument, Unamortized Discount (Premium), Net, Noncurrent Maturities Debt Instrument, Unamortized Discount (Premium), Net, Noncurrent Maturities Long-term debt, less current portion Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Borrowing Base Line of Credit Facility, Remaining Borrowing Capacity Availability Long-term Line of Credit Compensation and Retirement Disclosure [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan, Asset Categories [Axis] Defined Benefit Plan, Asset Categories [Axis] Plan Asset Categories [Domain] Plan Asset Categories [Domain] Equities [Member] Equity Securities [Member] Debt Securities [Member] Debt Securities [Member] Absolute Return [Member] Absolute Return Investments [Member] Absolute Return Investments [Member] Interest bearing [Member] Interest-bearing Deposits [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Discount rate, benefit obligations Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Discount rate, benefit cost Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Expected rate of return on assets, benefit cost Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets Plan investments actual allocations Defined Benefit Plan, Actual Plan Asset Allocations Plan investments target allocations Defined Benefit Plan, Target Plan Asset Allocations Undiscounted Amounts And Material Changes In Insurance Claims [Table Text Block] Undiscounted Amounts And Material Changes In Insurance Claims [Table Text Block] Undiscounted Amounts And Material Changes In Insurance Claims [Table Text Block] Estimated Cash Payments To Settle Claims [Table Text Block] Estimated Cash Payments To Settle Claims [Table Text Block] Estimated Cash Payments To Settle Claims [Table Text Block] Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment [Table Text Block] Schedule of Service Lives for Property, Plant and Equipment [Table Text Block] Schedule of Service Lives for Property, Plant and Equipment [Table Text Block] Schedule of Service Lives for Property, Plant and Equipment [Table Text Block] Schedule of Equity Method Investments [Table Text Block] Equity Method Investments [Table Text Block] Fair Value, Assets Measured on Recurring Basis [Table Text Block] Fair Value, Assets Measured on Recurring Basis [Table Text Block] Accounting Policies [Abstract] Description Of Business Business Description and Basis of Presentation [Text Block] Cash Flow Activity Related To Restructuring [Table Text Block] Cash Flow Activity Related To Restructuring [Table Text Block] Cash Flow Activity Related To Restructuring [Table Text Block] Non cash activity related to restructuring [Table Text Block] Non cash activity related to restructuring [Table Text Block] [Table Text Block] for Non cash activity related to restructuring [Table] Debt Instrument Stepdown Terms [Axis] Debt Instrument Stepdown Terms [Axis] Debt Instrument Stepdown Terms Debt Instrument Stepdown Terms [Domain] Debt Instrument Stepdown Terms [Domain] [Domain] for Debt Instrument Stepdown Terms 50 Percent Of Excess Cash Flow Prepayment [Member] 50 Percent Of Excess Cash Flow Prepayment [Member] 50 Percent Of Excess Cash Flow Prepayment [Member] 25 Percent Of Excess Cash Flow Prepayment [Member] 25 Percent Of Excess Cash Flow Prepayment [Member] 25 Percent Of Excess Cash Flow Prepayment [Member] 0 Percent Of Excess Cash Flow Prepayment [Member] 0 Percent Of Excess Cash Flow Prepayment [Member] 0 Percent Of Excess Cash Flow Prepayment [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] One Month LIBOR [Member] One Month LIBOR [Member] One Month LIBOR [Member] London Interbank Offered Rate (LIBOR) [Member] London Interbank Offered Rate (LIBOR) [Member] Federal Funds Rate [Member] Federal Funds Rate [Member] Federal Funds Rate [Member] Higher of London Interbank Offer Rate or 1.00% [Member] Higher of London Interbank Offer Rate or 1.00% [Member] Higher of London Interbank Offer Rate or 1.00% [Member] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Period Through March 31, 2014 [Member] Period Through March 31, 2014 [Member] Period Through March 31, 2014 [Member] Period After March 31. 2014 [Member] Period After March 31. 2014 [Member] Period After March 31. 2014 [Member] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] 2014 Financing [Member] 2014 Financing [Member] 2014 Financing [Member] Advance Type [Axis] Advance Type [Axis] Advance Type [Axis] Advance Type [Domain] Advance Type [Domain] [Domain] for Advance Type [Axis] LIBOR Rate Advances [Member] LIBOR Rate Advances [Member] LIBOR Rate Advances [Member] ABR Rate Advances [Member] ABR Rate Advances [Member] ABR Rate Advances [Member] Interest Rate Type [Axis] Interest Rate Type [Axis] Interest Rate Type [Axis] Interest Rate Type [Domain] Interest Rate Type [Domain] [Domain] for Interest Rate Type [Axis] Reserve Adjusted LIBOR [Member] Reserve Adjusted LIBOR [Member] Reserve Adjusted LIBOR [Member] Interest Rate Component [Axis] Interest Rate Component [Axis] Interest Rate Component [Axis] Interest Rate Component [Domain] Interest Rate Component [Domain] [Domain] for Interest Rate Component [Axis] Alternate Base Rate [Member] Alternate Base Rate [Member] Alternate Base Rate [Member] Higher of London Interbank Offer Rate or 3.50% [Member] Higher of London Interbank Offer Rate or 3.50% [Member] Higher of London Interbank Offer Rate or 3.50% [Member] LIBOR Rate [Member] LIBOR Rate [Member] LIBOR Rate [Member] ABR Rate [Member] ABR Rate [Member] ABR Rate [Member] Prime Rate [Member] Prime Rate [Member] 2014 Term Loan [Domain] 2014 Term Loan [Member] 2014 Term Loan [Member] 2014 Term Loan Letter of Credit [Member] Letter of Credit [Member] Amended And Restated Credit Agreement [Member] Amended And Restated Credit Agreement [Member] Amended And Restated Credit Agreement [Member] ABL Facility ABL Facility [Member] ABL Facility [Member] Series A Note [Member] Series A Note [Member] Series A Note [Member] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Measurement Basis [Axis] Fair Value, Disclosure Item Amounts [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Book Value Reported Value Measurement [Member] Principal amount issued Debt Instrument, Face Amount Debt Instrument, Face Amount Discount Percent Debt Instrument, Face Amount Discount Percent Debt Instrument, Face Amount Discount Percent Debt Instrument, Quarterly Installments as Percent of Principal Amount Debt Instrument, Quarterly Installments as Percent of Principal Amount Debt Instrument, Quarterly Installments as Percent of Principal Amount Right to increase New Term Loan Right to increase New Term Loan Right to increase New Term Loan Debt Instrument, Total Leverage Ratio Debt Instrument, Total Leverage Ratio Debt Instrument, Total Leverage Ratio Variable rate basis, option two, minimum variable rate basis Debt Instrument, Variable Rate Basis, Option Two, Minimum Variable Rate Basis Debt Instrument, Variable Rate Basis, Option Two, Minimum Variable Rate Basis Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rate, Reduction When Total Leverage Ratio Is Less Than 3.25 Debt Instrument, Basis Spread on Variable Rate, Reduction When Total Leverage Ratio Is Less Than 3.25 Debt Instrument, Basis Spread on Variable Rate, Reduction When Total Leverage Ratio Is Less Than 3.25 Prepayment percent of excess cash flow Debt Instrument, Covenant, Mandatory Prepayment Terms, Percentage of Excess Cash Flow Debt Instrument, Covenant, Mandatory Prepayment Terms, Percentage of Excess Cash Flow Debt Instrument, Covenant, Mandatory Prepayment Terms, Percentage of Excess Cash Flow, Ratio Range Between 4.00 and 3.50 to 1.00 Debt Instrument, Covenant, Mandatory Prepayment Terms, Percentage of Excess Cash Flow, Ratio Range Between 4.00 and 3.50 to 1.00 Debt Instrument, Covenant, Mandatory Prepayment Terms, Percentage of Excess Cash Flow, Ratio Range Between 4.00 and 3.50 to 1.00 Debt Instrument, Covenant, Mandatory Prepayment Terms, Percentage of Excess Cash Flow When Ratio is Less or Equal 3.00 to 1.00 Debt Instrument, Covenant, Mandatory Prepayment Terms, Percentage of Excess Cash Flow When Ratio is Less or Equal 3.00 to 1.00 Debt Instrument, Covenant, Mandatory Prepayment Terms, Percentage of Excess Cash Flow When Ratio is Less or Equal 3.00 to 1.00 Debt Instrument, Covenant, Mandatory Prepayment Terms, Percentage of Excess Cash Flow, Ratio Range Between 3.00 and 3.50 to 1.00 Debt Instrument, Covenant, Mandatory Prepayment Terms, Percentage of Excess Cash Flow, Ratio Range Between 3.00 and 3.50 to 1.00 Debt Instrument, Covenant, Mandatory Prepayment Terms, Percentage of Excess Cash Flow, Ratio Range Between 3.00 and 3.50 to 1.00 Debt Instrument, Covenant, Mandatory Prepayment Terms, Percentage of Net Cash Proceeds from All Sales Debt Instrument, Covenant, Mandatory Prepayment Terms, Percentage of Net Cash Proceeds from All Sales Debt Instrument, Covenant, Mandatory Prepayment Terms, Percentage of Net Cash Proceeds from Asset Sales Prepayment percent of cash proceeds from debt issuance Debt Instrument, Covenant, Mandatory Prepayment Terms, Percentage of Cash Proceeds from Debt Issuance Debt Instrument, Covenant, Mandatory Prepayment Terms, Percentage of Cash Proceeds from Debt Issuance Debt Instrument, Covenant, Events of Default, Final Unpaid Judgment Against Term Guarantors Debt Instrument, Covenant, Events of Default, Final Unpaid Judgment Against Term Guarantors Debt Instrument, Covenant, Events of Default, Final Unpaid Judgment Against Term Guarantors Debt Instrument, Covenant, Events of Default, Cross Default Debt Instrument, Covenant, Events of Default, Cross Default Debt Instrument, Covenant, Events of Default, Cross Default Borrowing base percent of net eligible receivables Borrowing Base Percent Of Net Eligible Receivables Borrowing Base Percent Of Net Eligible Receivables Borrowing Base, Percent Of Borrowing Base Cash Borrowing Base, Percent Of Borrowing Base Cash Borrowing Base, Percent Of Borrowing Base Cash Borrowing Base, Percent Of Deferred Revenue Liability Borrowing Base, Percent Of Deferred Revenue Liability Borrowing Base, Percent Of Deferred Revenue Liability Debt Instrument, Covenant, Percent Of Collateral Line Cap Debt Instrument, Covenant, Percent Of Collateral Line Cap Debt Instrument, Covenant, Percent Of Collateral Line Cap Debt Instrument, Basis Spread on Variable Rate, Reduction When Total Leverage Ratio is Less Than 2.50 to 1.00 Debt Instrument, Basis Spread on Variable Rate, Reduction When Total Leverage Ratio is Less Than 2.50 to 1.00 Debt Instrument, Basis Spread on Variable Rate, Reduction When Total Leverage Ratio is Less Than 2.50 to 1.00 Letter of Credit, Fees as Percentage of Stated Amount Letter of Credit, Fees as Percentage of Stated Amount Letter of Credit, Fees as Percentage of Stated Amount Commitment fee percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Average Revolver Usage Average Revolver Usage Average Revolver Usage Uncommitted Accordion Uncommitted Accordion Uncommitted Accordion Line of Credit Facility, Unused Capacity, Commitment Fee Percentage, If Average Revolver Usage Greater Than 50 Percent Line of Credit Facility, Unused Capacity, Commitment Fee Percentage, If Average Revolver Usage Greater Than 50 Percent Line of Credit Facility, Unused Capacity, Commitment Fee Percentage, If Average Revolver Usage Greater Than 50 Percent Number of Consecutive Calendar Days 10 Percent of Collateral Cap is Maintained Available Number of Consecutive Calendar Days 10 Percent of Collateral Cap is Maintained Available Number of Consecutive Calendar Days 10 Percent of Collateral Cap is Maintained Available Debt Instrument, Covenant, liquidity Debt Instrument, Covenant, liquidity Debt Instrument, Covenant, liquidity Debt Instrument, Covenant, availability Debt Instrument, Covenant, availability Debt Instrument, Covenant, availability Debt Instrument, Consolidated Fixed Coverage Ratio Debt Instrument, Consolidated Fixed Coverage Ratio Debt Instrument, Consolidated Fixed Coverage Ratio Contribution rate of subsidiaries to funds Contribution Rate Of Subsidiaries To Funds Contribution Rate Of Subsidiaries To Funds Aggregate principal amount Conversion price, future period Debt Instrument, Convertible, Conversion Price, Future Period Debt Instrument, Convertible, Conversion Price, Future Period Conversion rate Debt Instrument, Convertible, Number of Shares Converted per Thousand, Future Period Debt Instrument, Convertible, Number of Shares Converted per Thousand, Future Period Number of votes Debt Conversion Converted Notes Number Of Votes Debt Conversion Converted Notes Number Of Votes Conversion price Debt Instrument, Convertible, Conversion Price Number of shares converted per thousand Debt Instrument, Convertible, Number of Shares Converted per Thousand Debt Instrument, Convertible, Number of Shares Converted per Thousand Capacity Description of variable rate basis Debt Instrument, Description of Variable Rate Basis Variable rate basis, option one, minimum variable rate basis, spread over LIBOR Debt Instrument, Variable Rate Basis, Option One, Minimum Variable Rate Basis, Spread over LIBOR Debt Instrument, Variable Rate Basis, Option One, Minimum Variable Rate Basis, Spread over LIBOR Commitment fee percentage of average daily unused capacity Line of Credit Facility, Commitment Fee Percentage Fronting fee percentage Line of Credit Facility, Fronting Fee Percentage Line of Credit Facility, Fronting Fee Percentage Borrowing base percent of credit facility cash collaterized Borrowing Base Percent Of Credit Facility Cash Collaterized Borrowing Base Percent Of Credit Facility Cash Collaterized Escrow deposit Escrow Deposit Alternative base rate spread over federal funds effective rate Debt Instrument, Variable Rate Basis, Option One, Spread over Federal Funds Effective Rate Debt Instrument, Variable Rate Basis, Option One, Spread over Federal Funds Effective Rate Paid-in-kind interest on Series A Notes and Series B Notes Paid-in-Kind Interest Long-term Debt, Maturities, Repayments of Principal after Year Five Long-term Debt, Maturities, Repayments of Principal after Year Five Debt Instrument, Convertible, Conversion Ratio, Future Period Debt Instrument, Convertible, Conversion Ratio, Future Period Debt Instrument, Convertible, Conversion Ratio, Future Period Debt Instrument, Convertible, Conversion Ratio Debt Instrument, Convertible, Conversion Ratio Debt Instrument, Convertible, Number of Equity Instruments Debt Instrument, Convertible, Number of Equity Instruments Exchange/conversion of Series B Notes to common stock Debt Conversion, Converted Instrument, Amount Repayment of long-term debt Repayments of Long-term Debt Issuance of equity upon conversion of 6% convertible senior notes Debt Conversion, Converted Instrument, Shares Issued Common shares available for future issuance, as of February 15, 2013 Common Stock, Capital Shares Reserved For Future Issuance, Future Period Common Stock, Capital Shares Reserved For Future Issuance, Future Period Long-term debt Debt Instrument, Gross, Current Maturities Current maturities Premium/(Discount), Current Maturities Debt Instrument, Unamortized Discount (Premium), Net, Noncurrent Maturities Debt interest expense Interest Expense, Debt Make whole premium Debt Instrument, Unamortized Premium Accelerated amortization of the discount Amortization of Debt Discount (Premium) Line Of Credit Facility, Total Cash and Availability Line Of Credit Facility, Total Cash and Availability Line Of Credit Facility, Total Cash and Availability Letters of Credit Outstanding, Amount Letters of Credit Outstanding, Amount Line Of Credit Facility, Total Able to Be Drawn Line Of Credit Facility, Total Able to Be Drawn Line Of Credit Facility, Total Able to Be Drawn Fair value of long term debt Long-term Debt, Fair Value Long-term debt, less current portion Income Tax Disclosure [Abstract] Unrecognized Tax Benefits [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Unrecognized tax benefits at January 1 Unrecognized Tax Benefits Increases related to: tax positions taken during a prior period Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Increases related to: tax positions taken during the current period Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Decreases related to: lapse of applicable statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Decreases related to: settlements with taxing authorities Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Unrecognized tax benefits at December 31 Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] MAEVA [Member] MAEVA [Member] MAEVA [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Completion Fee Completion Fee Completion Fee Incremental Completion Fee Incremental Completion Fee Incremental Completion Fee Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Equity Method Investee, Name [Axis] Investment, Name [Axis] Equity Method Investee, Name [Domain] Investment, Name [Domain] Shanghai Jiayu [Member] Shanghai Jiayu [Member] Shanghai Jiayu [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Equity Method Investment, Financial Statement, Reported Amounts [Abstract] Equity Method Investment, Financial Statement, Reported Amounts [Abstract] Ownership interest percentage Equity Method Investment, Ownership Percentage Purchase price Equity Method Investment, Aggregate Cost Equity method investment estimated fair value Equity Method Investments, Fair Value Disclosure Note receivable write down Note Receivable Write Down Note Receivable Write Down Deconsolidation loss recognized Deconsolidation, Gain (Loss), Amount Deconsolidation gain allocated based on noncontrolling interest Deconsolidation, Gain (Loss) Recognized By Noncontrolling Interest Deconsolidation, Gain (Loss) Recognized By Noncontrolling Interest Stockholders' Equity Note [Abstract] Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Common Stock [Member] Common Stock [Member] Preferred Stock [Member] Preferred Stock [Member] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Preferred stock authorized shares Preferred Stock, Shares Authorized Liquidation value per share Preferred Stock, Liquidation Preference Per Share Shares issued Preferred Stock, Shares Issued Common stock shares converted from preferred Stock Issued During Period, Shares, Conversion of Convertible Securities Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Beginning balance, preferred shares Preferred Stock, Shares Outstanding Beginning balance, common shares Common Stock, Shares, Outstanding Issuance of stock Stock Issued During Period, Shares, New Issues Common stock shares converted from preferred Issuance of equity awards, net Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Ending balance, preferred shares Ending balance, common shares Equity issuance proceeds Proceeds from Issuance or Sale of Equity Previous maximum ownership percentage Previous maximum ownership percentage Previous maximum ownership percentage Amortization of Beneficial Conversion Feature on Preferred Stock Amortization of Beneficial Conversion Feature on Preferred Stock Amortization of Beneficial Conversion Feature on Preferred Stock Options Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding, Shares Shares granted Outstanding, Shares Options Outstanding, Weighted Average Exercise Price [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Outstanding, Weighted Average Exercise Price Outstanding, Weighted Average Exercise Price Commitments and Contingencies Disclosure [Abstract] Rent expense Operating Leases, Rent Expense Minium annual rentals 2015 Operating Leases, Future Minimum Payments Due, Next Twelve Months Minium annual rentals 2016 Operating Leases, Future Minimum Payments, Due in Two Years Minium annual rentals 2017 Operating Leases, Future Minimum Payments, Due in Three Years Minium annual rentals 2018 Operating Leases, Future Minimum Payments, Due in Four Years Minium annual rentals 2019 Operating Leases, Future Minimum Payments, Due in Five Years Minium annual rentals thereafter Operating Leases, Future Minimum Payments, Due Thereafter Committed for capital expenditures to be completed during 2015 Other Commitment, Due in Next Twelve Months Amortization expense for intangible assets Amortization of Intangible Assets Estimated amortization expense 2015 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Estimated amortization expense 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Two Estimated amortization expense 2017 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2001-08 for certain subsidiaries Income Tax Examination, Penalties Expense Interest paid to settle audits of tax years 2001-08 for certain subsidiaries Income Tax Examination, Interest Expense Amount by which unrecognized tax benefits may decrease over the next 12 months Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Statement of Stockholders' Equity [Abstract] Capital Surplus [Member] Additional Paid-in Capital [Member] Accumulated Deficit [Member] Retained Earnings [Member] Accumulated Other Comprehensive Loss [Member] Accumulated Other Comprehensive Income (Loss) [Member] Treasury Stock, At Cost [Member] Treasury Stock [Member] Noncontrolling Interest [Member] Noncontrolling Interest [Member] Series A Notes [Member] Series A Notes [Member] Series A Notes. Series B Notes [Member] Series B Notes [Member] Series B Notes. Beginning balance Issuance of equity in exchange for debt and interest (net of transaction costs) Stock Issued During Period, Value, Conversion of Convertible Securities, Net of Adjustments Conversion of preferred shares to common shares Convertible Preferred Stock Converted to Other Securities Issuance of common stock Issuance of equity, net Beneficial conversion feature on preferred stock Debt Instrument, Convertible, Beneficial Conversion Feature Equity issuance costs Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Share-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Amortization of conversion feature on preferred stock Net loss attributable to YRC Worldwide Inc. Net Income (Loss) Attributable to Parent Net pension gains (losses) and other adjustments Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax Reclassification of net losses to net income Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Net of Tax Changes in foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Net income (loss) attributable to the noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Divestiture of subsidiary Noncontrolling Interest, Decrease from Deconsolidation Ending balance Liquidity Liquidity Note Disclosure [Text Block] Liquidity Note Disclosure [Text Block] Statement of Comprehensive Income [Abstract] Operating Revenue Operating Expenses: Operating Expenses [Abstract] Salaries, wages and employees’ benefits Labor and Related Expense Operating expenses and supplies Cost of Services, Direct Materials Purchased transportation Purchased Transportation Costs incurred related to the purchase of services (road and rail) from third-party transportation providers and independent contractors in direct support of shipping and logistics services. Depreciation and amortization Cost of Services, Depreciation and Amortization Other operating expenses Other Cost and Expense, Operating Gains on property disposals, net Gain (Loss) on Disposition of Property Plant Equipment Total operating expenses Operating Expenses Operating Income Nonoperating Expenses: Nonoperating Income (Expense) [Abstract] Interest expense Interest Expense Other, net Other Nonoperating Income (Expense) Nonoperating expenses, net Nonoperating Income (Expense) Net Loss Before Income Taxes Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income tax benefit Income Tax Expense (Benefit) Net Loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Less: Net Income Attributable to Noncontrolling Interest Net Loss Attributable to YRC Worldwide Inc. Amortization of beneficial conversion feature on preferred stock Net Loss Attributable to Common Shareholders Net Income (Loss) Available to Common Stockholders, Basic Average Common Shares Outstanding – Basic and Diluted Weighted Average Number of Shares Outstanding, Basic and Diluted Basic and Diluted Loss Per Common Share: Earnings Per Share, Basic and Diluted Schedule of Other Assets [Table Text Block] Schedule of Other Assets [Table Text Block] Assets: Assets, Current [Abstract] Allowance for doubtful accounts receivable Allowance for Doubtful Accounts Receivable, Current Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Preferred Stock, Shares Authorized Preferred Stock, Shares Issued Preferred Stock, Liquidation Preference Per Share Common stock, par value Common Stock, Par or Stated Value Per Share Common Stock, Shares, Issued Common Stock, Shares, Issued Treasury stock, shares Treasury Stock, Shares Schedule of Future Minimum Rental Payments for 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conversion ratio Stockholders' Equity Note, Reverse Stock Split, Conversion Ratio Stockholders' Equity Note, Reverse Stock Split, Conversion Ratio Rerate reserve as a reduction to accounts receivable Rerate Reserve, Reduction Of Accounts Receivable Rerate Reserve, Reduction Of Accounts Receivable Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable Discontinued Operations Discontinued Operations and Disposal Groups [Abstract] Foreign currency transactions gains Foreign Currency Transaction Gain (Loss), before Tax Risk-free rate for maturities of workers' compensation claims Risk Free Rate, Workers Compensation Claims Risk Free Rate, Workers Compensation Claims Risk-free rate for property damage and liability claims Risk Free Rate, Property Damage And Liability Claims Risk Free Rate, Property Damage And Liability Claims Accrued claims and insurance Accrued Insurance Assets held for sale impairment charge Impairment of Long-Lived Assets to be Disposed of Net 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Total recognized in other comprehensive loss (income) Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax Total recognized in net periodic benefit cost and other comprehensive (income) loss Amount Recognized in Net Periodic Benefit Cost and Other Comprehensive Income (Loss), before Tax Income tax provision (benefit) related to amounts in other comprehensive income Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Anti-dilutive share and option units Antidillutive options and shares [Member] Antidillutive options and shares [Member] Anti-dilutive 6% Notes Antidillutive 6% Common 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(Benefit) State Current State and Local Tax Expense (Benefit) Foreign Current Foreign Tax Expense (Benefit) Current income tax benefit Current Income Tax Expense (Benefit) Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) State Deferred State and Local Income Tax Expense (Benefit) Foreign Deferred Foreign Income Tax Expense (Benefit) Deferred income tax provision (benefit) Deferred Income Tax Expense (Benefit) Income tax benefit Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax Commitments, Contingencies, and Uncertainties Commitments and Contingencies Disclosure [Text Block] Net Loss Net actuarial gains (losses) and other adjustments Less amortization of prior losses Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Less comprehensive income attributable to non-controlling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive loss attributable to YRC Worldwide Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Employee Benefits Pension and Other Postretirement Benefits Disclosure [Text Block] Expected employer contribution in 2015 Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year Expected benefit payments Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract] 2015 Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months 2016 Defined Benefit Plan, Expected Future Benefit Payments, Year Two 2017 Defined Benefit Plan, Expected Future Benefit Payments, Year Three 2018 Defined Benefit Plan, Expected Future Benefit Payments, Year Four 2019 Defined Benefit Plan, Expected Future Benefit Payments, Year Five 2020-2024 Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter 2011 Long Term Incentive And Equity Award Plan [Member] 2011 Long Term Incentive And Equity Award Plan [Member] 2011 Long Term Incentive And Equity Award Plan [Member] Shares reserved for issuance Deferred Compensation Arrangement with Individual, Common Stock Reserved for Future Issuance Shares authorized Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Exercise price per share Expiration period Share-based Compensation Arrangement by Share-based Payment Award, Options, Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Contractual Term Unrecognized compensation expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Period of recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Concentration of Credit Risk and Other Concentration Risk, Credit Risk, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Uncollectible Accounts Trade and Other Accounts Receivable, Policy [Policy Text Block] Foreign Currency Foreign Currency Transactions and Translations Policy [Policy Text Block] Claims and Insurance Accruals Claims And Insurance Accruals [Policy Text Block] Claims And Insurance Accruals [Policy Text Block] Stock Compensation Plans Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Property and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Impairment of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Assets Held for Sale Assets Held For Sale [Policy Text Block] Assets Held For Sale [Policy Text Block] Earnings from Equity Method Investments Equity and Cost Method Investments, Policy [Policy Text Block] Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Statement of Cash Flows [Abstract] Operating Activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net loss Noncash items included in net loss: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Amortization of deferred debt costs Amortization of Financing Costs Amortizations of premiums and discounts on debt Deferred income tax expense (benefit) Gains on property disposals, net Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Gain on extinguishment of debt Extinguishment of Debt, Gain (Loss), Net of Tax Other noncash items Other Noncash Income (Expense) Changes in assets and liabilities, net: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Accounts payable Increase (Decrease) in Accounts Payable, Trade Other operating assets Increase (Decrease) in Other Operating Assets Other operating liabilities Increase (Decrease) in Other Operating Liabilities Net cash provided by (used in) operating activities Investing Activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Proceeds from disposal of property and equipment Restricted escrow receipts Decrease in Restricted Cash Restricted escrow deposits Increase in Restricted Cash Other, net Payments for (Proceeds from) Other Investing Activities Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Financing Activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Issuance of long-term debt Repayment of long-term debt Debt issuance costs Payments of Debt Issuance Costs Equity issuance costs Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Net (Decrease) Increase In Cash and Cash Equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and Cash Equivalents, Beginning of Year Cash and Cash Equivalents, End of Year Supplemental Cash Flow Information: Supplemental Cash Flow Information [Abstract] Interest paid Interest Paid Letter of credit fees paid Letter Of Credit Fees Paid Letter of credit fees paid Income tax refund, net Proceeds from Income Tax Refunds Capital lease financing transactions Capital Lease Obligations Incurred Debt redeemed for equity consideration Debt Redeemed for Equity Consideration Debt redeemed for equity consideration. Number of Fixed Income Funds Investing in Debt Securities Ecured by Royalty Payments [Table] Number of Fixed Income Funds Investing in Debt Securities Ecured by Royalty Payments [Table] Number of Fixed Income Funds Investing in Debt Securities Ecured by Royalty Payments [Table] Plan Asset Categories [Domain] Number of Fixed Income Funds Investing in Debt Securities Ecured by Royalty Payments [Line Items] Number of Fixed Income Funds Investing in Debt Securities Ecured by Royalty Payments [Line Items] [Line Items] for Number of Fixed Income Funds Investing in Debt Securities Ecured by Royalty Payments [Table] Number of Private Equity Funds Investing in Renewable Solar Energy Number of employees sponsored by defined benefit pension plans Defined Benefit Plan, Number of Employees Covered Number Of Employees Sponsored By Definied Benefit Plans Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Benefit obligation at beginning of year Defined Benefit Plan, Benefit Obligation Benefits paid Defined Benefit Plan, Benefits Paid Actuarial loss Defined Benefit Plan, Actuarial Gain (Loss) Expenses paid from assets Defined Benefit Plan, Expenses Paid From Assets Defined Benefit Plan, Expenses Paid From Assets Other Defined Benefit Plan, Other Changes Benefit obligation at year end Fair value of plan assets at prior year end Actual return on plan assets Defined Benefit Plan, Actual Return on Plan Assets Employer contributions Defined Benefit Plan, Contributions by Employer Benefits paid Expenses paid from assets Other Defined Benefit Plan, Other Costs Funded status at year end Defined Benefit Plan, Funded Status of Plan Noncurrent assets Defined Benefit Plan, Assets for Plan Benefits, Noncurrent Current liabilities Pension and Other Postretirement Defined Benefit Plans, Current Liabilities Noncurrent liabilities Defined Benefit Pension Plan, Liabilities, Noncurrent Net actuarial loss Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax Unrecognized actuarial losses net of tax Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax Actuarial loss included in accumulated other comprehensive income and expected to be recognized next year Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) Next Fiscal Year Stock Compensation Plans Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Cargo Claims And Other Insurance Related Amounts [Member] Cargo Claims And Other Insurance Related Amounts [Member] Cargo Claims And Other Insurance Related Amounts [Member] LIability For Unpaid Claims And Claim Adjustment Expense, Adjustment Of Opening Balance [Roll Forward] LIability For Unpaid Claims And Claim Adjustment Expense, Adjustment Of Opening Balance [Roll Forward] LIability For Unpaid Claims And Claim Adjustment Expense, Adjustment Of Opening Balance [Roll Forward] Undiscounted amount Insurance Claims, Unidiscounted Amount Insurance Claims, Unidiscounted Amount Estimated settlement cost Current Year Claims and Claims Adjustment Expense Claim payments, net of recoveries Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid Change in estimated settlement cost for older claim years Prior Year Claims and Claims Adjustment Expense Undiscounted amount Discounted settlement cost estimate Insurance Claims, Discounted Amount Insurance Claims, Discounted Amount