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v2.4.1.9

INCOME TAXES (Details 2) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Deferred tax assets: |  |
Accrued expenses | $ 51,996 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities | $ 50,311 us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
Pension liabilities | 9,022 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions | 4,404 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions
Postretirement liabilities other than pensions | 8,589 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits | 6,349 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits
Share-based compensation | 6,310 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost | 5,898 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
Federal and state net operating loss carryforwards | 2,840 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | 9,840 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Other | 1,654 us-gaap_DeferredTaxAssetsOther | 1,877 us-gaap_DeferredTaxAssetsOther
Total deferred tax assets | 80,411 us-gaap_DeferredTaxAssetsGross | 78,679 us-gaap_DeferredTaxAssetsGross
Valuation allowance | (332)us-gaap_DeferredTaxAssetsValuationAllowance | (1,028)us-gaap_DeferredTaxAssetsValuationAllowance
Total deferred tax assets, net of valuation allowance | 80,079 us-gaap_DeferredTaxAssetsNet | 77,651 us-gaap_DeferredTaxAssetsNet
Deferred tax liabilities: |  |
Amortization, depreciation, and basis differences for property, plant and equipment, and other long-lived assets | 64,522 arcb_DeferredTaxLiabilitiesPropertyPlantAndEquipmentAndOtherLongLivedAssets | 61,673 arcb_DeferredTaxLiabilitiesPropertyPlantAndEquipmentAndOtherLongLivedAssets
Intangibles | 31,398 us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets | 34,385 us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
Revenue recognition | 3,944 us-gaap_DeferredTaxLiabilitiesTaxDeferredIncome | 4,264 us-gaap_DeferredTaxLiabilitiesTaxDeferredIncome
Prepaid expenses | 4,393 us-gaap_DeferredTaxLiabilitiesPrepaidExpenses | 3,875 us-gaap_DeferredTaxLiabilitiesPrepaidExpenses
Total deferred tax liabilities | 104,257 us-gaap_DeferredTaxLiabilities | 104,197 us-gaap_DeferredTaxLiabilities
Net deferred tax liabilities | $ (24,178)us-gaap_DeferredTaxAssetsLiabilitiesNet | $ (26,546)us-gaap_DeferredTaxAssetsLiabilitiesNet

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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