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INCOME TAXES (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Current provision: |  |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  | $ 18,063 us-gaap_CurrentFederalTaxExpenseBenefit | $ 12,739 us-gaap_CurrentFederalTaxExpenseBenefit |
State |  |  |  |  |  |  |  |  | 23 us-gaap_CurrentStateAndLocalTaxExpenseBenefit | 865 us-gaap_CurrentStateAndLocalTaxExpenseBenefit | 694 us-gaap_CurrentStateAndLocalTaxExpenseBenefit
Foreign |  |  |  |  |  |  |  |  | 1,657 us-gaap_CurrentForeignTaxExpenseBenefit | 413 us-gaap_CurrentForeignTaxExpenseBenefit | 405 us-gaap_CurrentForeignTaxExpenseBenefit
Current tax provision |  |  |  |  |  |  |  |  | 19,743 us-gaap_CurrentIncomeTaxExpenseBenefit | 14,017 us-gaap_CurrentIncomeTaxExpenseBenefit | 1,099 us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred provision (benefit): |  |  |  |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  |  |  | 1,575 us-gaap_DeferredFederalIncomeTaxExpenseBenefit | (10,335)us-gaap_DeferredFederalIncomeTaxExpenseBenefit | (8,656)us-gaap_DeferredFederalIncomeTaxExpenseBenefit
State |  |  |  |  |  |  |  |  | 3,366 us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit | 160 us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit | (1,699)us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
Foreign |  |  |  |  |  |  |  |  | (249)us-gaap_DeferredForeignIncomeTaxExpenseBenefit | (192)us-gaap_DeferredForeignIncomeTaxExpenseBenefit | (4)us-gaap_DeferredForeignIncomeTaxExpenseBenefit
Deferred tax provision (benefit) |  |  |  |  |  |  |  |  | 4,692 us-gaap_DeferredIncomeTaxExpenseBenefit | (10,367)us-gaap_DeferredIncomeTaxExpenseBenefit | (10,359)us-gaap_DeferredIncomeTaxExpenseBenefit
Total provision (benefit) for income taxes | 5,097 us-gaap_IncomeTaxExpenseBenefit | 12,938 us-gaap_IncomeTaxExpenseBenefit | 10,163 us-gaap_IncomeTaxExpenseBenefit | (3,762)us-gaap_IncomeTaxExpenseBenefit | 3,549 us-gaap_IncomeTaxExpenseBenefit | 7,022 us-gaap_IncomeTaxExpenseBenefit | 2,987 us-gaap_IncomeTaxExpenseBenefit | (9,908)us-gaap_IncomeTaxExpenseBenefit | 24,435 us-gaap_IncomeTaxExpenseBenefit | 3,650 us-gaap_IncomeTaxExpenseBenefit | (9,260)us-gaap_IncomeTaxExpenseBenefit
Significant components of the deferred tax provision or benefit |  |  |  |  |  |  |  |  |  |  |
Amortization, depreciation, and basis differences for property, plant and equipment and other long-lived assets |  |  |  |  |  |  |  |  | 3,579 arcb_DeferredIncomeTaxExpenseBenefitPropertyPlantAndEquipmentAndOtherLongLivedAssets | (13,137)arcb_DeferredIncomeTaxExpenseBenefitPropertyPlantAndEquipmentAndOtherLongLivedAssets | 137 arcb_DeferredIncomeTaxExpenseBenefitPropertyPlantAndEquipmentAndOtherLongLivedAssets
Amortization of intangibles |  |  |  |  |  |  |  |  | (2,934)arcb_DeferredIncomeTaxExpenseBenefitAmortizationOfIntangibleAssets | (3,048)arcb_DeferredIncomeTaxExpenseBenefitAmortizationOfIntangibleAssets | (1,604)arcb_DeferredIncomeTaxExpenseBenefitAmortizationOfIntangibleAssets
Changes in reserves for workers' compensation and cargo claims |  |  |  |  |  |  |  |  | (1,970)arcb_DeferredIncomeTaxExpenseBenefitReservesForWorkerCompensationAndCargoClaims | (1,751)arcb_DeferredIncomeTaxExpenseBenefitReservesForWorkerCompensationAndCargoClaims | (3,319)arcb_DeferredIncomeTaxExpenseBenefitReservesForWorkerCompensationAndCargoClaims
Revenue recognition |  |  |  |  |  |  |  |  | 361 arcb_DeferredIncomeTaxExpenseBenefitRevenueRecognition | (1,704)arcb_DeferredIncomeTaxExpenseBenefitRevenueRecognition | (253)arcb_DeferredIncomeTaxExpenseBenefitRevenueRecognition
Allowance for doubtful accounts |  |  |  |  |  |  |  |  | (501)arcb_DeferredIncomeTaxExpenseBenefitAllowanceForDoubtfulAccounts | 516 arcb_DeferredIncomeTaxExpenseBenefitAllowanceForDoubtfulAccounts | 229 arcb_DeferredIncomeTaxExpenseBenefitAllowanceForDoubtfulAccounts
Foreign tax credit carryforward utilized (increased) |  |  |  |  |  |  |  |  | 665 arcb_DeferredIncomeTaxExpenseBenefitTaxCreditCarryforwardsForeign | 71 arcb_DeferredIncomeTaxExpenseBenefitTaxCreditCarryforwardsForeign | (133)arcb_DeferredIncomeTaxExpenseBenefitTaxCreditCarryforwardsForeign
Nonunion pension and other retirement plans |  |  |  |  |  |  |  |  | (1,595)arcb_DeferredIncomeTaxExpenseBenefitPensionAndOtherRetirementPlans | 3,493 arcb_DeferredIncomeTaxExpenseBenefitPensionAndOtherRetirementPlans | 702 arcb_DeferredIncomeTaxExpenseBenefitPensionAndOtherRetirementPlans
Deferred compensation plans |  |  |  |  |  |  |  |  | 350 arcb_DeferredIncomeTaxExpenseBenefitDeferredCompensationPlans | 530 arcb_DeferredIncomeTaxExpenseBenefitDeferredCompensationPlans | 669 arcb_DeferredIncomeTaxExpenseBenefitDeferredCompensationPlans
Federal net operating loss carryforwards utilized (increased) |  |  |  |  |  |  |  |  | 4,472 arcb_DeferredIncomeTaxExpenseBenefitOperatingLossCarryforwardsDomestic | 4,207 arcb_DeferredIncomeTaxExpenseBenefitOperatingLossCarryforwardsDomestic | (2,538)arcb_DeferredIncomeTaxExpenseBenefitOperatingLossCarryforwardsDomestic
State net operating loss carryforwards utilized (increased) |  |  |  |  |  |  |  |  | 2,812 arcb_DeferredIncomeTaxExpenseBenefitOperatingLossCarryforwardsStateAndLocal | 254 arcb_DeferredIncomeTaxExpenseBenefitOperatingLossCarryforwardsStateAndLocal | (725)arcb_DeferredIncomeTaxExpenseBenefitOperatingLossCarryforwardsStateAndLocal
State depreciation adjustments |  |  |  |  |  |  |  |  | (539)arcb_DeferredIncomeTaxExpenseBenefitStateDepreciationAdjustments | 569 arcb_DeferredIncomeTaxExpenseBenefitStateDepreciationAdjustments | 20 arcb_DeferredIncomeTaxExpenseBenefitStateDepreciationAdjustments
Share-based compensation |  |  |  |  |  |  |  |  | 959 arcb_DeferredIncomeTaxExpenseBenefitCompensationAndBenefitsShareBasedCompensationCost | (1,437)arcb_DeferredIncomeTaxExpenseBenefitCompensationAndBenefitsShareBasedCompensationCost | (702)arcb_DeferredIncomeTaxExpenseBenefitCompensationAndBenefitsShareBasedCompensationCost
Valuation allowance decrease |  |  |  |  |  |  |  |  | (696)arcb_DeferredIncomeTaxExpenseBenefitValuationAllowance | (1,436)arcb_DeferredIncomeTaxExpenseBenefitValuationAllowance | (3,180)arcb_DeferredIncomeTaxExpenseBenefitValuationAllowance
Leases |  |  |  |  |  |  |  |  | 237 arcb_DeferredIncomeTaxExpenseBenefitLease | 612 arcb_DeferredIncomeTaxExpenseBenefitLease | 806 arcb_DeferredIncomeTaxExpenseBenefitLease
Other accrued expenses |  |  |  |  |  |  |  |  | (362)arcb_DeferredIncomeTaxExpenseBenefitOtherAccruedExpenses | 3,284 arcb_DeferredIncomeTaxExpenseBenefitOtherAccruedExpenses | (1,586)arcb_DeferredIncomeTaxExpenseBenefitOtherAccruedExpenses
Other |  |  |  |  |  |  |  |  | (146)arcb_DeferredIncomeTaxExpenseBenefitOther | (1,390)arcb_DeferredIncomeTaxExpenseBenefitOther | 1,118 arcb_DeferredIncomeTaxExpenseBenefitOther
Deferred tax provision (benefit) |  |  |  |  |  |  |  |  | $ 4,692 us-gaap_DeferredIncomeTaxExpenseBenefit | $ (10,367)us-gaap_DeferredIncomeTaxExpenseBenefit | $ (10,359)us-gaap_DeferredIncomeTaxExpenseBenefit

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- Definition This element represents the amount of deferred tax provision or (benefit) on revenue recognition arising during the period due to an increase or decrease in the entity's deferred tax assets and liabilities pertaining to continuing operations. + References No definition available. + Details
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- Definition Represents the amount of deferred tax provision or (benefit) on state depreciation adjustments during the period, due to an increase or decrease in the entity's deferred tax assets and liabilities pertaining to continuing operations. + References No definition available. + Details
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- Definition This element represents the amount of deferred tax provision or (benefit) on foreign tax credit carryforwards, due to an increase or decrease in the entity's deferred tax assets and liabilities + References No definition available. + Details
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- Definition Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.7) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Current Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6509736 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section I -Paragraph Question 1-7 + Details
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- Definition Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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- Definition Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.7) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Current Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6509736 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section I -Subsection 7 + Details
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- Definition Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.7) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Current Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6509736 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section I -Subsection 7 + Details
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- Definition Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.7) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section I -Subsection 7 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Deferred Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6510177 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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