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LEGAL PROCEEDINGS, ENVIRONMENTAL MATTERS, AND OTHER EVENTS (Details 2) (Trademark Infringement, Early stages of litigation, Premium Logistics (Panther), USD $) In Millions, unless otherwise specified | Mar. 31, 2015
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Trademark Infringement | Early stages of litigation | Premium Logistics (Panther) |
Legal Proceedings |
Liability for loss due to litigation | $ 0 us-gaap_LossContingencyAccrualAtCarryingValue / us-gaap_LitigationCaseAxis = arcb_JaguarLandRoverTrademarkInfringementClaimMember / us-gaap_LitigationStatusAxis = us-gaap_PendingLitigationMember / us-gaap_StatementBusinessSegmentsAxis = arcb_PremiumLogisticsMember

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- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 + Details
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