$ARCB
ARCBEST CORP /DE/ Stock $arcb

$arcb Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000155837020001796 Filed on February 28, 2020

Income Statement

Concept	2019 Q4	2018 Q4	2018 Q3
Revenue	$717.4M	$774.3M	$826.2M
YoY Change	-7.34%	8.95%	11.0%
Cost Of Revenue	$168.1M	$177.1M	$186.0M
YoY Change	-5.08%	15.75%	22.21%
Gross Profit	$549.3M	$597.1M	$640.1M
YoY Change	-8.01%	7.06%	8.11%
Gross Profit Margin	76.57%	77.12%	77.48%
Selling, General & Admin	$459.9M	$461.0M	$482.4M
YoY Change	-0.24%	4.39%	3.12%
% of Gross Profit	83.72%	77.21%	75.36%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$29.10M	$26.90M	$28.03M
YoY Change	8.18%	2.67%	6.97%
% of Gross Profit	5.3%	4.51%	4.38%
Operating Expenses	$538.2M	$559.5M	$586.2M
YoY Change	-3.81%	3.8%	3.68%
Operating Profit	-$11.23M	$37.16M	$56.06M
YoY Change	-130.22%	98.73%	109.94%
Interest Expense	-$1.300M	-$1.400M	-$1.400M
YoY Change	-7.14%	-6.67%	0.0%
% of Operating Profit		-3.77%	-2.5%
Other Income/Expense, Net	$500.0K	-$15.10M	-$714.0K
YoY Change	-103.31%	1158.33%	-45.08%
Pretax Income	-$12.00M	$20.70M	$53.99M
YoY Change	-157.97%	29.38%	124.03%
Income Tax	-$6.478M	$5.371M	$13.22M
% Of Pretax Income		25.95%	24.48%
Net Earnings	-$5.549M	$15.30M	$40.78M
YoY Change	-136.27%	-58.2%	175.51%
Net Earnings / Revenue	-0.77%	1.98%	4.94%
Basic Earnings Per Share	-$0.22	$0.59	$1.58
Diluted Earnings Per Share	-$0.22	$0.57	$1.52
COMMON SHARES
Basic Shares Outstanding	25.49M	25.71M	25.70M
Diluted Shares Outstanding	25.49M	26.68M	26.80M

Balance Sheet

Concept	2019 Q4	2018 Q4	2018 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$318.5M	$297.0M	$253.3M
YoY Change	7.24%	67.61%	52.5%
Cash & Equivalents	$201.9M	$190.2M	$177.4M
Short-Term Investments	$116.6M	$106.8M	$75.90M
Other Short-Term Assets	$4.745M	$9.007M	$37.00M
YoY Change	-47.32%	-80.67%	3.93%
Inventory
Prepaid Expenses	$30.38M	$25.30M
Receivables	$282.6M	$297.1M	$323.2M
Other Receivables	$18.77M	$19.15M	$18.00M
Total Short-Term Assets	$664.4M	$649.2M	$631.6M
YoY Change	2.34%	24.3%	21.7%
LONG-TERM ASSETS
Property, Plant & Equipment	$683.6M	$631.2M	$626.9M
YoY Change	8.3%	6.76%	10.04%
Goodwill	$88.32M	$108.3M
YoY Change	-18.46%
Intangibles	$58.83M	$68.95M
YoY Change	-14.67%
Long-Term Investments
YoY Change
Other Assets	$79.87M	$74.08M	$80.80M
YoY Change	7.81%	5.38%	15.93%
Total Long-Term Assets	$986.8M	$890.0M	$886.1M
YoY Change	10.88%	5.54%	7.35%
TOTAL ASSETS
Total Short-Term Assets	$664.4M	$649.2M	$631.6M
Total Long-Term Assets	$986.8M	$890.0M	$886.1M
Total Assets	$1.651B	$1.539B	$1.518B
YoY Change	7.27%	12.71%	12.89%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$134.4M	$143.8M	$154.5M
YoY Change	-6.55%	11.37%	4.46%
Accrued Expenses	$232.3M	$243.1M	$233.1M
YoY Change	-4.44%	15.11%	15.17%
Deferred Revenue	$500.0K	$500.0K
YoY Change	0.0%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$57.30M	$54.10M	$54.60M
YoY Change	5.91%	-12.6%	-13.06%
Total Short-Term Liabilities	$444.3M	$451.3M	$454.9M
YoY Change	-1.56%	12.1%	10.07%
LONG-TERM LIABILITIES
Long-Term Debt	$266.2M	$237.6M	$236.0M
YoY Change	12.04%	14.78%	17.88%
Other Long-Term Liabilities	$38.89M	$44.69M	$68.00M
YoY Change	-12.97%	-19.34%	19.72%
Total Long-Term Liabilities	$38.89M	$44.69M	$304.0M
YoY Change	-12.97%	-82.97%	18.29%
TOTAL LIABILITIES
Total Short-Term Liabilities	$444.3M	$451.3M	$454.9M
Total Long-Term Liabilities	$38.89M	$44.69M	$304.0M
Total Liabilities	$483.2M	$496.0M	$812.6M
YoY Change	-2.59%	-30.55%	11.18%
SHAREHOLDERS EQUITY
Retained Earnings	$533.2M	$501.4M
YoY Change	6.34%
Common Stock	$334.2M	$326.0M
YoY Change	2.53%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$763.0M	$717.7M	$705.1M
YoY Change
Total Liabilities & Shareholders Equity	$1.651B	$1.539B	$1.518B
YoY Change	7.27%	12.71%	12.89%

Cashflow Statement

Concept	2019 Q4	2018 Q4	2018 Q3
OPERATING ACTIVITIES
Net Income	-$5.549M	$15.30M	$40.78M
YoY Change	-136.27%	-58.2%	175.51%
Depreciation, Depletion And Amortization	$29.10M	$26.90M	$28.03M
YoY Change	8.18%	2.67%	6.97%
Cash From Operating Activities	$32.40M	$81.70M	$54.00M
YoY Change	-60.34%	47.21%	19.73%
INVESTING ACTIVITIES
Capital Expenditures	-$24.10M	-$7.400M	-$15.90M
YoY Change	225.68%	-69.17%	-21.29%
Acquisitions
YoY Change
Other Investing Activities	$16.50M	-$29.30M	-$2.300M
YoY Change	-156.31%	-1642.11%	666.67%
Cash From Investing Activities	-$7.700M	-$36.70M	-$18.30M
YoY Change	-79.02%	65.32%	-10.29%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-6.600M	-32.40M	-17.60M
YoY Change	-79.63%	49.31%	-2.76%
NET CHANGE
Cash From Operating Activities	32.40M	81.70M	54.00M
Cash From Investing Activities	-7.700M	-36.70M	-18.30M
Cash From Financing Activities	-6.600M	-32.40M	-17.60M
Net Change In Cash	18.10M	12.60M	18.10M
YoY Change	43.65%	8.62%	174.24%
FREE CASH FLOW
Cash From Operating Activities	$32.40M	$81.70M	$54.00M
Capital Expenditures	-$24.10M	-$7.400M	-$15.90M
Free Cash Flow	$56.50M	$89.10M	$69.90M
YoY Change	-36.59%	12.08%	7.04%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0000894405
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2019	dei	Amendment Flag AmendmentFlag	false
CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-12-31
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Entity File Number EntityFileNumber	0-19969
CY2019	dei	Entity Registrant Name EntityRegistrantName	ARCBEST CORPORATION
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	71-0673405
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	8401 McClure Drive
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	Fort Smith
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	AR
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	72916
CY2019	dei	City Area Code CityAreaCode	479
CY2019	dei	Local Phone Number LocalPhoneNumber	785-6000
CY2019	dei	Security12b Title Security12bTitle	Common Stock
CY2019	dei	Trading Symbol TradingSymbol	ARCB
CY2019	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Entity Shell Company EntityShellCompany	false
CY2019Q2	dei	Entity Public Float EntityPublicFloat	705623207
CY2020Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	25367197
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	201909000
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	190186000
CY2019Q4	us-gaap	Short Term Investments ShortTermInvestments	116579000
CY2018Q4	us-gaap	Short Term Investments ShortTermInvestments	106806000
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	5448000
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	7380000
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	282579000
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	297051000
CY2019Q4	us-gaap	Allowance For Doubtful Other Receivables Current AllowanceForDoubtfulOtherReceivablesCurrent	476000
CY2018Q4	us-gaap	Allowance For Doubtful Other Receivables Current AllowanceForDoubtfulOtherReceivablesCurrent	806000
CY2019Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	18774000
CY2018Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	19146000
CY2019Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	30377000
CY2018Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	25304000
CY2019Q4	arcb	Prepaid And Income Taxes Receivable Current PrepaidAndIncomeTaxesReceivableCurrent	9439000
CY2018Q4	arcb	Prepaid And Income Taxes Receivable Current PrepaidAndIncomeTaxesReceivableCurrent	1726000
CY2019Q4	us-gaap	Other Assets Current OtherAssetsCurrent	4745000
CY2018Q4	us-gaap	Other Assets Current OtherAssetsCurrent	9007000
CY2019Q4	us-gaap	Assets Current AssetsCurrent	664402000
CY2018Q4	us-gaap	Assets Current AssetsCurrent	649226000
CY2019Q4	arcb	Land And Structures Gross LandAndStructuresGross	342122000
CY2018Q4	arcb	Land And Structures Gross LandAndStructuresGross	339640000
CY2019Q4	arcb	Revenue Equipment Gross RevenueEquipmentGross	896020000
CY2018Q4	arcb	Revenue Equipment Gross RevenueEquipmentGross	858251000
CY2019Q4	arcb	Service Office And Other Equipment Gross ServiceOfficeAndOtherEquipmentGross	233354000
CY2018Q4	arcb	Service Office And Other Equipment Gross ServiceOfficeAndOtherEquipmentGross	199230000
CY2019Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	151068000
CY2018Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	138517000
CY2019Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	10383000
CY2018Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	9365000
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1632947000
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1545003000
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	949355000
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	913815000
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	683592000
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	631188000
CY2019Q4	us-gaap	Goodwill Goodwill	88320000
CY2018Q4	us-gaap	Goodwill Goodwill	108320000
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	58832000
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	68949000
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	68470000
CY2019Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	7725000
CY2018Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	7468000
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	79866000
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	74080000
CY2019Q4	us-gaap	Assets Assets	1651207000
CY2018Q4	us-gaap	Assets Assets	1539231000
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	134374000
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	143785000
CY2019Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	12000
CY2018Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	1688000
CY2019Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	228749000
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	243111000
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	57305000
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	54075000
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	20265000
CY2019Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	3572000
CY2018Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Current Liabilities PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities	8659000
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	444277000
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	451318000
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	266214000
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	237600000
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	52277000
CY2019Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	20294000
CY2018Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	31504000
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	38892000
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	44686000
CY2019Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	66210000
CY2018Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	56441000
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	70000000
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	70000000
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	28810902
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	28684779
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	288000
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	287000
CY2019Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	333943000
CY2018Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	325712000
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	533187000
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	501389000
CY2019Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	3404639
CY2018Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	3097634
CY2019Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	104578000
CY2018Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	95468000
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	203000
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-14238000
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	763043000
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	717682000
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1651207000
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1539231000
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2988310000
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3093788000
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2826457000
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	2924540000
CY2018	us-gaap	Costs And Expenses CostsAndExpenses	2984690000
CY2017	us-gaap	Costs And Expenses CostsAndExpenses	2765109000
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	63770000
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	109098000
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	61348000
CY2019	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	6453000
CY2018	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	3914000
CY2017	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	1293000
CY2019	us-gaap	Interest And Debt Expense InterestAndDebtExpense	11467000
CY2018	us-gaap	Interest And Debt Expense InterestAndDebtExpense	9468000
CY2017	us-gaap	Interest And Debt Expense InterestAndDebtExpense	6342000
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-7285000
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-19158000
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-4723000
CY2019	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-12299000
CY2018	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-24712000
CY2017	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-9772000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	51471000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	84386000
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	51576000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11486000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17124000
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-8150000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	39985000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	67262000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	59726000
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.56
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.61
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.32
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.51
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.51
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.25
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25535529
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25679736
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25683745
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26450055
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26698831
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26424389
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.32
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.32
CY2017	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.32
CY2019	us-gaap	Net Income Loss NetIncomeLoss	39985000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	67262000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	59726000
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	2308000
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-477000
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	-1682000
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	6657000
CY2018	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-1376000
CY2017	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-2640000
CY2019	arcb	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Settlements Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationSettlementsTax	1167000
CY2018	arcb	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Settlements Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationSettlementsTax	3327000
CY2017	arcb	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Settlements Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationSettlementsTax	1617000
CY2019	arcb	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Settlements Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationSettlementsNetOfTax	7338000
CY2018	arcb	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Settlements Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationSettlementsNetOfTax	9598000
CY2017	arcb	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Settlements Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationSettlementsNetOfTax	2539000
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	314000
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	740000
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	1446000
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-931000
CY2018	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-2204000
CY2017	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	-2388000
CY2019	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	-25000
CY2018	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	-69000
CY2017	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	-116000
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-357000
CY2018	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	84000
CY2017	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	402000
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-1007000
CY2018	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	236000
CY2017	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	621000
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	194000
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	-241000
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	33000
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	547000
CY2018	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-681000
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	51000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	14441000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	9912000
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2843000
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	54426000
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	77174000
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	62569000
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	599055000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	59726000
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2843000
CY2017	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2837000
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6958000
CY2017	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	6019000
CY2017	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	8264000
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	651462000
CY2017Q4	arcb	Stockholders Equity Adjusted Balance StockholdersEquityAdjustedBalance	651878000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	67262000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	9912000
CY2018	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2135000
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8413000
CY2018	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	9404000
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	8244000
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	717682000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	39985000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	14441000
CY2019	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	1291000
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	9523000
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	9110000
CY2019	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	8187000
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	763043000
CY2019	us-gaap	Profit Loss ProfitLoss	39985000
CY2018	us-gaap	Profit Loss ProfitLoss	67262000
CY2017	us-gaap	Profit Loss ProfitLoss	59726000
CY2019	us-gaap	Depreciation Depreciation	108099000
CY2018	us-gaap	Depreciation Depreciation	104114000
CY2017	us-gaap	Depreciation Depreciation	98530000
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4367000
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4521000
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4538000
CY2019	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	-8505000
CY2018	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	-12925000
CY2017	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	-4156000
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	9523000
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	8413000
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	6958000
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1223000
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	2336000
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4081000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5411000
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1872000
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-10213000
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	26514000
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	5247000
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	59000
CY2017	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	75000
CY2018	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	1945000
CY2017	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	152000
CY2019	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-13720000
CY2018	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	23554000
CY2017	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	19588000
CY2019	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	4756000
CY2018	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	2988000
CY2017	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	64000
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1365000
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	4341000
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	4231000
CY2019	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	-8720000
CY2018	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	12169000
CY2017	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	-2144000
CY2019	arcb	Increase Decrease In Operating Right Of Use Assets And Lease Liabilities Net IncreaseDecreaseInOperatingRightOfUseAssetsAndLeaseLiabilitiesNet	-728000
CY2019	arcb	Increase Decrease In Multiemployer Pension Fund Withdrawal Liability IncreaseDecreaseInMultiemployerPensionFundWithdrawalLiability	-584000
CY2018	arcb	Increase Decrease In Multiemployer Pension Fund Withdrawal Liability IncreaseDecreaseInMultiemployerPensionFundWithdrawalLiability	22602000
CY2019	arcb	Increase Decrease In Accounts Payable Accrued Expenses And Other Liabilities IncreaseDecreaseInAccountsPayableAccruedExpensesAndOtherLiabilities	-27039000
CY2018	arcb	Increase Decrease In Accounts Payable Accrued Expenses And Other Liabilities IncreaseDecreaseInAccountsPayableAccruedExpensesAndOtherLiabilities	52020000
CY2017	arcb	Increase Decrease In Accounts Payable Accrued Expenses And Other Liabilities IncreaseDecreaseInAccountsPayableAccruedExpensesAndOtherLiabilities	10393000
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	170364000
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	255347000
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	151915000
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	90955000
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	43992000
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	65781000
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	13490000
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	4256000
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	4279000
CY2018	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	4680000
CY2017	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	2490000
CY2019	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	129709000
CY2018	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	108495000
CY2017	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	73459000
CY2019	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	120409000
CY2018	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	58698000
CY2017	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	73842000
CY2019	us-gaap	Payments To Develop Software PaymentsToDevelopSoftware	11476000
CY2018	us-gaap	Payments To Develop Software PaymentsToDevelopSoftware	10097000
CY2017	us-gaap	Payments To Develop Software PaymentsToDevelopSoftware	9840000
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-98241000
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-94950000
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-68469000
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	58938000
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	71260000
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	68924000
CY2017	us-gaap	Proceeds From Accounts Receivable Securitization ProceedsFromAccountsReceivableSecuritization	10000000
CY2019	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	20410000
CY2019	us-gaap	Increase Decrease In Book Overdrafts IncreaseDecreaseInBookOverdrafts	-2722000
CY2018	us-gaap	Increase Decrease In Book Overdrafts IncreaseDecreaseInBookOverdrafts	262000
CY2017	us-gaap	Increase Decrease In Book Overdrafts IncreaseDecreaseInBookOverdrafts	-502000
CY2019	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	562000
CY2018	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	202000
CY2017	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	937000
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	8187000
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	8244000
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	8264000
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	9110000
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	9404000
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	6019000
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1291000
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2135000
CY2017	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	3270000
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-60400000
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-90983000
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-77916000
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	11723000
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	69414000
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	5530000
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	190186000
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	120772000
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	115242000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	201909000
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	190186000
CY2019	us-gaap	Revenue Practical Expedient Incremental Cost Of Obtaining Contract RevenuePracticalExpedientIncrementalCostOfObtainingContract	true
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	120772000
CY2019	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	70372000
CY2018	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	94016000
CY2017	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	84170000
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	234000
CY2018	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	2807000
CY2017	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1734000
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	32761000
CY2019	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-family:'Times New Roman';font-size:10pt;text-align:justify;margin:0pt;"><b style="font-weight:bold;">Use of Estimates:</b> The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual amounts may differ from those estimates.</p>
CY2019	us-gaap	Revenue Practical Expedient Remaining Performance Obligation RevenuePracticalExpedientRemainingPerformanceObligation	true
CY2019	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p style="font-family:'Times New Roman';font-size:10pt;text-align:justify;margin:0pt;"><b style="font-weight:bold;">Concentration of Credit Risk:</b> The Company is potentially subject to concentrations of credit risk related to the portion of its cash, cash equivalents, and short-term investments which is not federally insured, as further discussed in Note C.</p><p style="font-family:'Times New Roman';font-size:12pt;text-align:justify;margin:0pt;"><span style="font-size:10pt;visibility:hidden;"></span></p><p style="font-family:'Times New Roman';font-size:10pt;text-align:justify;margin:0pt;">The Company’s services are provided primarily to customers throughout the United States and, to a lesser extent, Canada, Mexico, and other international locations. On a consolidated basis, the Company had no single customer representing more than 5% of its revenues in 2019, 2018, or 2017 or more than 6% of its accounts receivable balance at December 31, 2019 and 2018. The Company performs ongoing credit evaluations of its customers and generally does not require collateral. Historically, credit losses have been within management’s expectations.</p>
CY2019	arcb	Impairment Of Long Lived Assets Held For Use And Intangible Assets ImpairmentOfLongLivedAssetsHeldForUseAndIntangibleAssets	6500000
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	20000000.0
CY2019Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	500000
CY2019Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	20000000
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	20000000.0
CY2018Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	500000
CY2019	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P14Y
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	54015000
CY2019Q1	us-gaap	Lease Practical Expedients Package LeasePracticalExpedientsPackage	true
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	201909000
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	190186000
CY2019Q4	us-gaap	Short Term Investments ShortTermInvestments	116579000
CY2018Q4	us-gaap	Short Term Investments ShortTermInvestments	106806000
CY2019Q4	arcb	Deposits Uninsured Amount DepositsUninsuredAmount	66200000
CY2018Q4	arcb	Deposits Uninsured Amount DepositsUninsuredAmount	94700000
CY2018Q4	us-gaap	Goodwill Goodwill	108320000
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	20000000
CY2019Q4	us-gaap	Goodwill Goodwill	88320000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	27483000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	26532000
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	61463000
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	24814000
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	36649000
CY2019Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	86315000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	27483000
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	58832000
CY2018Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	93763000
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	24814000
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	68949000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	3911000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	3869000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	3842000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	3744000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	3695000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	7471000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	26532000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2017	us-gaap	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Deferred Tax Liability Income Tax Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit	24500000
CY2018	us-gaap	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Deferred Tax Liability Income Tax Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit	3800000
CY2018	arcb	Tax Cuts And Jobs Act Of2017 Income Tax Expense Benefit Fiscal Year Tax Filing TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefitFiscalYearTaxFiling	-100000
CY2017	arcb	Tax Cuts And Jobs Act Of2017 Income Tax Expense Benefit Fiscal Year Tax Filing TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefitFiscalYearTaxFiling	-1300000
CY2017Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.3274
CY2018Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.3274
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	2202000
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	9750000
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-1969000
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1813000
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3264000
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3701000
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2060000
CY2018	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2238000
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	331000
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	6075000
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	15252000
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2063000
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	4196000
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1157000
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-9312000
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1221000
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	737000
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-867000
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-6000
CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-22000
CY2017	arcb	Deferred Income Tax Expense Benefit Valuation Allowance DeferredIncomeTaxExpenseBenefitValuationAllowance	401000
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-34000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5411000
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1872000
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-10213000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11486000
CY2019	arcb	Deferred Income Tax Expense Benefit Other Accrued Expenses DeferredIncomeTaxExpenseBenefitOtherAccruedExpenses	-699000
CY2019	arcb	Deferred Income Tax Expense Benefit Property Plant And Equipment And Other Long Lived Assets DeferredIncomeTaxExpenseBenefitPropertyPlantAndEquipmentAndOtherLongLivedAssets	16255000
CY2019	arcb	Deferred Income Tax Expense Benefit Valuation Allowance DeferredIncomeTaxExpenseBenefitValuationAllowance	383000
CY2018	arcb	Deferred Income Tax Expense Benefit Valuation Allowance DeferredIncomeTaxExpenseBenefitValuationAllowance	-744000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17124000
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-8150000
CY2018	us-gaap	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Deferred Tax Liability Income Tax Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit	3800000
CY2017	us-gaap	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Deferred Tax Liability Income Tax Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit	24500000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2018	arcb	Tax Cuts And Jobs Act Of2017 Income Tax Expense Benefit Fiscal Year Tax Filing TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefitFiscalYearTaxFiling	-100000
CY2017	arcb	Tax Cuts And Jobs Act Of2017 Income Tax Expense Benefit Fiscal Year Tax Filing TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefitFiscalYearTaxFiling	-1300000
CY2018	arcb	Deferred Income Tax Expense Benefit Property Plant And Equipment And Other Long Lived Assets DeferredIncomeTaxExpenseBenefitPropertyPlantAndEquipmentAndOtherLongLivedAssets	23153000
CY2017	arcb	Deferred Income Tax Expense Benefit Property Plant And Equipment And Other Long Lived Assets DeferredIncomeTaxExpenseBenefitPropertyPlantAndEquipmentAndOtherLongLivedAssets	21876000
CY2019	arcb	Deferred Income Tax Expense Benefit Amortization Of Intangible Assets And Impairment DeferredIncomeTaxExpenseBenefitAmortizationOfIntangibleAssetsAndImpairment	-6933000
CY2018	arcb	Deferred Income Tax Expense Benefit Amortization Of Intangible Assets And Impairment DeferredIncomeTaxExpenseBenefitAmortizationOfIntangibleAssetsAndImpairment	-763000
CY2017	arcb	Deferred Income Tax Expense Benefit Amortization Of Intangible Assets And Impairment DeferredIncomeTaxExpenseBenefitAmortizationOfIntangibleAssetsAndImpairment	-1030000
CY2019	arcb	Deferred Income Tax Expense Benefit Reserves For Worker Compensation And Cargo Claims DeferredIncomeTaxExpenseBenefitReservesForWorkerCompensationAndCargoClaims	-1880000
CY2018	arcb	Deferred Income Tax Expense Benefit Reserves For Worker Compensation And Cargo Claims DeferredIncomeTaxExpenseBenefitReservesForWorkerCompensationAndCargoClaims	469000
CY2017	arcb	Deferred Income Tax Expense Benefit Reserves For Worker Compensation And Cargo Claims DeferredIncomeTaxExpenseBenefitReservesForWorkerCompensationAndCargoClaims	-812000
CY2019	arcb	Deferred Income Tax Expense Benefit Revenue Recognition DeferredIncomeTaxExpenseBenefitRevenueRecognition	-1437000
CY2018	arcb	Deferred Income Tax Expense Benefit Revenue Recognition DeferredIncomeTaxExpenseBenefitRevenueRecognition	-2524000
CY2017	arcb	Deferred Income Tax Expense Benefit Revenue Recognition DeferredIncomeTaxExpenseBenefitRevenueRecognition	332000
CY2019	arcb	Deferred Income Tax Expense Benefit Allowance For Doubtful Accounts DeferredIncomeTaxExpenseBenefitAllowanceForDoubtfulAccounts	541000
CY2018	arcb	Deferred Income Tax Expense Benefit Allowance For Doubtful Accounts DeferredIncomeTaxExpenseBenefitAllowanceForDoubtfulAccounts	-115000
CY2017	arcb	Deferred Income Tax Expense Benefit Allowance For Doubtful Accounts DeferredIncomeTaxExpenseBenefitAllowanceForDoubtfulAccounts	-719000
CY2019	arcb	Deferred Income Tax Expense Benefit Pension And Other Retirement Plans DeferredIncomeTaxExpenseBenefitPensionAndOtherRetirementPlans	564000
CY2018	arcb	Deferred Income Tax Expense Benefit Pension And Other Retirement Plans DeferredIncomeTaxExpenseBenefitPensionAndOtherRetirementPlans	-2810000
CY2017	arcb	Deferred Income Tax Expense Benefit Pension And Other Retirement Plans DeferredIncomeTaxExpenseBenefitPensionAndOtherRetirementPlans	-1977000
CY2019	arcb	Deferred Income Tax Expense Benefit Multiemployer Pension Fund Withdrawal DeferredIncomeTaxExpenseBenefitMultiemployerPensionFundWithdrawal	150000
CY2018	arcb	Deferred Income Tax Expense Benefit Multiemployer Pension Fund Withdrawal DeferredIncomeTaxExpenseBenefitMultiemployerPensionFundWithdrawal	-5818000
CY2019	arcb	Deferred Income Tax Expense Benefit Operating Loss Carryforwards Federal And State DeferredIncomeTaxExpenseBenefitOperatingLossCarryforwardsFederalAndState	59000
CY2018	arcb	Deferred Income Tax Expense Benefit Operating Loss Carryforwards Federal And State DeferredIncomeTaxExpenseBenefitOperatingLossCarryforwardsFederalAndState	746000
CY2017	arcb	Deferred Income Tax Expense Benefit Operating Loss Carryforwards Federal And State DeferredIncomeTaxExpenseBenefitOperatingLossCarryforwardsFederalAndState	257000
CY2019	arcb	Deferred Income Tax Expense Benefit State Depreciation Adjustments DeferredIncomeTaxExpenseBenefitStateDepreciationAdjustments	-1302000
CY2018	arcb	Deferred Income Tax Expense Benefit State Depreciation Adjustments DeferredIncomeTaxExpenseBenefitStateDepreciationAdjustments	-1761000
CY2017	arcb	Deferred Income Tax Expense Benefit State Depreciation Adjustments DeferredIncomeTaxExpenseBenefitStateDepreciationAdjustments	-1244000
CY2019	arcb	Deferred Income Tax Expense Benefit Compensation And Benefits Share Based Compensation Cost DeferredIncomeTaxExpenseBenefitCompensationAndBenefitsShareBasedCompensationCost	-709000
CY2018	arcb	Deferred Income Tax Expense Benefit Compensation And Benefits Share Based Compensation Cost DeferredIncomeTaxExpenseBenefitCompensationAndBenefitsShareBasedCompensationCost	-529000
CY2017	arcb	Deferred Income Tax Expense Benefit Compensation And Benefits Share Based Compensation Cost DeferredIncomeTaxExpenseBenefitCompensationAndBenefitsShareBasedCompensationCost	352000
CY2018	arcb	Deferred Income Tax Expense Benefit Other Accrued Expenses DeferredIncomeTaxExpenseBenefitOtherAccruedExpenses	-4881000
CY2017	arcb	Deferred Income Tax Expense Benefit Other Accrued Expenses DeferredIncomeTaxExpenseBenefitOtherAccruedExpenses	-852000
CY2018	us-gaap	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Deferred Tax Liability Income Tax Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit	3772000
CY2017	us-gaap	Tax Cuts And Jobs Act Of2017 Change In Tax Rate Deferred Tax Liability Income Tax Benefit TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxLiabilityIncomeTaxBenefit	24542000
CY2019	arcb	Deferred Income Tax Expense Benefit Prepaid Expenses DeferredIncomeTaxExpenseBenefitPrepaidExpenses	1782000
CY2018	arcb	Deferred Income Tax Expense Benefit Prepaid Expenses DeferredIncomeTaxExpenseBenefitPrepaidExpenses	1313000
CY2017	arcb	Deferred Income Tax Expense Benefit Prepaid Expenses DeferredIncomeTaxExpenseBenefitPrepaidExpenses	-1331000
CY2019	arcb	Deferred Income Tax Expense Benefit Operating Lease Right Of Use Assets Liabilities Net DeferredIncomeTaxExpenseBenefitOperatingLeaseRightOfUseAssetsLiabilitiesNet	-1049000
CY2019	arcb	Deferred Income Tax Expense Benefit Other DeferredIncomeTaxExpenseBenefitOther	-314000
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	18052000
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-637000
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-840000
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-992000
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	1344000
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	1682000
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	1551000
CY2018	arcb	Deferred Income Tax Expense Benefit Other DeferredIncomeTaxExpenseBenefitOther	-92000
CY2017	arcb	Deferred Income Tax Expense Benefit Other DeferredIncomeTaxExpenseBenefitOther	-924000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5411000
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1872000
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-10213000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	41757000
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	39885000
CY2019Q4	arcb	Deferred Tax Assets Operating Lease Liabilities DeferredTaxAssetsOperatingLeaseLiabilities	19726000
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	1721000
CY2019Q4	arcb	Deferred Tax Assets Tax Deferred Expense Supplemental Pension Liabilities DeferredTaxAssetsTaxDeferredExpenseSupplementalPensionLiabilities	1091000
CY2018Q4	arcb	Deferred Tax Assets Tax Deferred Expense Supplemental Pension Liabilities DeferredTaxAssetsTaxDeferredExpenseSupplementalPensionLiabilities	1033000
CY2019Q4	arcb	Deferred Tax Assets Multiemployer Pension Fund Withdrawal DeferredTaxAssetsMultiemployerPensionFundWithdrawal	5546000
CY2018Q4	arcb	Deferred Tax Assets Multiemployer Pension Fund Withdrawal DeferredTaxAssetsMultiemployerPensionFundWithdrawal	5710000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	5359000
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	7660000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	5605000
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	4893000
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	1093000
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	1152000
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1538000
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1355000
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	81715000
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	63409000
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	668000
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	53000
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	81047000
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	63356000
CY2019Q4	arcb	Deferred Tax Liabilities Property Plant And Equipment And Other Long Lived Assets DeferredTaxLiabilitiesPropertyPlantAndEquipmentAndOtherLongLivedAssets	107835000
CY2018Q4	arcb	Deferred Tax Liabilities Property Plant And Equipment And Other Long Lived Assets DeferredTaxLiabilitiesPropertyPlantAndEquipmentAndOtherLongLivedAssets	93525000
CY2019Q4	arcb	Deferred Tax Liabilities Operating Lease Right Of Use Assets DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets	18703000
CY2019Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	7373000
CY2018Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	14066000
CY2019Q4	us-gaap	Deferred Tax Liabilities Tax Deferred Income DeferredTaxLiabilitiesTaxDeferredIncome	669000
CY2018Q4	us-gaap	Deferred Tax Liabilities Tax Deferred Income DeferredTaxLiabilitiesTaxDeferredIncome	1513000
CY2019Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	4952000
CY2018Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	3225000
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	139532000
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	112329000
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	58485000
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	48973000
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	10809000
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	17721000
CY2019	arcb	Income Tax Reconciliation Life Insurance Proceeds And Changes IncomeTaxReconciliationLifeInsuranceProceedsAndChanges	-775000
CY2018	arcb	Income Tax Reconciliation Life Insurance Proceeds And Changes IncomeTaxReconciliationLifeInsuranceProceedsAndChanges	7000
CY2017	arcb	Income Tax Reconciliation Life Insurance Proceeds And Changes IncomeTaxReconciliationLifeInsuranceProceedsAndChanges	-927000
CY2019	arcb	Income Tax Reconciliation Tax Credits Fuel Tax IncomeTaxReconciliationTaxCreditsFuelTax	2340000
CY2018	arcb	Income Tax Reconciliation Tax Credits Fuel Tax IncomeTaxReconciliationTaxCreditsFuelTax	1203000
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	382000
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-891000
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	401000
CY2019	arcb	Effective Income Tax Rate Reconciliation Change In Uncertain Tax Positions EffectiveIncomeTaxRateReconciliationChangeInUncertainTaxPositions	-20000
CY2018	arcb	Effective Income Tax Rate Reconciliation Change In Uncertain Tax Positions EffectiveIncomeTaxRateReconciliationChangeInUncertainTaxPositions	933000
CY2017	arcb	Effective Income Tax Rate Reconciliation Change In Uncertain Tax Positions EffectiveIncomeTaxRateReconciliationChangeInUncertainTaxPositions	-720000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	388000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-649000
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-1129000
CY2018	arcb	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Fiscal Year Tax Filing Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017FiscalYearTaxFilingAmount	-52000
CY2017	arcb	Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of2017 Fiscal Year Tax Filing Amount EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017FiscalYearTaxFilingAmount	-1288000
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-3772000
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-24542000
CY2019	arcb	Effective Income Tax Rate Reconciliation Nonunion Pension Termination Expense EffectiveIncomeTaxRateReconciliationNonunionPensionTerminationExpense	1040000
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	2054000
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	2216000
CY2017	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	297000
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	1354000
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-385000
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	187000
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1390000
CY2019	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	6398000
CY2018	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	10907000
CY2017	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	-11281000
CY2019	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	3034000
CY2018	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	4001000
CY2017	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	2834000
CY2019	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	2054000
CY2018	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	2216000
CY2017	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	297000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11486000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17124000
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-8150000
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.223
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.203
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.158
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2018Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.3274
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	28100000
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	21800000
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	22700000
CY2019	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	13100000
CY2019Q4	arcb	Maturities Of Long Term Debt And Future Minimum Payments Under Capital Leases Due In Four Years MaturitiesOfLongTermDebtAndFutureMinimumPaymentsUnderCapitalLeasesDueInFourYears	37030000
CY2019Q4	arcb	Maturities Of Long Term Debt And Future Minimum Payments Under Capital Leases Due In Five Years MaturitiesOfLongTermDebtAndFutureMinimumPaymentsUnderCapitalLeasesDueInFiveYears	90084000
CY2018	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	18500000
CY2017	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	18500000
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	-700000
CY2019	arcb	Foreign Tax Credit Carryforward Amount ForeignTaxCreditCarryforwardAmount	700000
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	700000
CY2019Q4	arcb	Income Tax Examination Number Of States Under Examination IncomeTaxExaminationNumberOfStatesUnderExamination	1
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	900000
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1000000.0
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	22291000
CY2019	us-gaap	Variable Lease Cost VariableLeaseCost	3366000
CY2019	us-gaap	Sublease Income SubleaseIncome	324000
CY2019	us-gaap	Lease Cost LeaseCost	25333000
CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	20500000
CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	20500000
CY2019	arcb	Operating Lease Noncash Change In Operating Right Of Use Assets OperatingLeaseNoncashChangeInOperatingRightOfUseAssets	20439000
CY2019	arcb	Operating Lease Change In Operating Lease Liabilities OperatingLeaseChangeInOperatingLeaseLiabilities	19711000
CY2019	arcb	Operating Right Use Of Assets And Lease Liabilities Net OperatingRightUseOfAssetsAndLeaseLiabilitiesNet	728000
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	21714000
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	68470000
CY2019Q4	arcb	Maturities Of Long Term Debt And Future Minimum Payments Under Capital Leases Due Thereafter MaturitiesOfLongTermDebtAndFutureMinimumPaymentsUnderCapitalLeasesDueThereafter	203000
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	20265000
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	52277000
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	72542000
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y3M18D
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0377
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	22576000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	16737000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	12253000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	8871000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	6275000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	13309000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	80021000
CY2019Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	7479000
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	72542000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	19130000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	14620000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	10972000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	7125000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	4477000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	5850000
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	62174000
CY2018Q4	arcb	Operating Leases Future Minimum Payments Due Leases Commencing Following Latest Fiscal Year Due In Next Ten Years OperatingLeasesFutureMinimumPaymentsDueLeasesCommencingFollowingLatestFiscalYearDueInNextTenYears	21000000.0
CY2018Q4	us-gaap	Lessee Operating Lease Lease Not Yet Commenced Term Of Contract1 LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1	P10Y
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	323519000
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	291675000
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	57305000
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	54075000
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	266214000
CY2018Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	237600000
CY2019Q4	arcb	Maturities Of Long Term Debt And Future Minimum Payments Under Capital Leases Due Current MaturitiesOfLongTermDebtAndFutureMinimumPaymentsUnderCapitalLeasesDueCurrent	66398000
CY2019Q4	arcb	Maturities Of Long Term Debt And Future Minimum Payments Under Capital Leases Due In Two Years MaturitiesOfLongTermDebtAndFutureMinimumPaymentsUnderCapitalLeasesDueInTwoYears	102230000
CY2019Q4	arcb	Maturities Of Long Term Debt And Future Minimum Payments Under Capital Leases Due In Three Years MaturitiesOfLongTermDebtAndFutureMinimumPaymentsUnderCapitalLeasesDueInThreeYears	52850000
CY2019Q4	arcb	Maturities Of Long Term Debt And Future Minimum Payments Under Capital Leases Due MaturitiesOfLongTermDebtAndFutureMinimumPaymentsUnderCapitalLeasesDue	348795000
CY2019Q4	arcb	Maturities Of Long Term Debt And Future Minimum Payments Under Capital Leases Interest Included In Payments MaturitiesOfLongTermDebtAndFutureMinimumPaymentsUnderCapitalLeasesInterestIncludedInPayments	25276000
CY2019Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	323519000
CY2019Q4	arcb	Debt Instrument Collateral Property Plant And Equipment Gross DebtInstrumentCollateralPropertyPlantAndEquipmentGross	293799000
CY2018Q4	arcb	Debt Instrument Collateral Property Plant And Equipment Gross DebtInstrumentCollateralPropertyPlantAndEquipmentGross	273615000
CY2019Q4	arcb	Debt Instrument Collateral Accumulated Depreciation And Amortization Property Plant And Equipment DebtInstrumentCollateralAccumulatedDepreciationAndAmortizationPropertyPlantAndEquipment	71405000
CY2018Q4	arcb	Debt Instrument Collateral Accumulated Depreciation And Amortization Property Plant And Equipment DebtInstrumentCollateralAccumulatedDepreciationAndAmortizationPropertyPlantAndEquipment	79961000
CY2019Q4	arcb	Debt Instrument Collateral Property Plant And Equipment Net DebtInstrumentCollateralPropertyPlantAndEquipmentNet	222394000
CY2018Q4	arcb	Debt Instrument Collateral Property Plant And Equipment Net DebtInstrumentCollateralPropertyPlantAndEquipmentNet	193654000
CY2019Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.031
CY2019	us-gaap	Interest Paid Net InterestPaidNet	10900000
CY2018	us-gaap	Interest Paid Net InterestPaidNet	8700000
CY2017	us-gaap	Interest Paid Net InterestPaidNet	5800000
CY2019	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	200000
CY2018	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	200000
CY2017	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	900000
CY2019Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	12800000
CY2018Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	17200000
CY2019Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	107149000
CY2018Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	103015000
CY2019Q4	us-gaap	Accrued Vacation Current AccruedVacationCurrent	47730000
CY2018Q4	us-gaap	Accrued Vacation Current AccruedVacationCurrent	41474000
CY2019Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	49148000
CY2018Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	71447000
CY2019Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	8722000
CY2018Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	8457000
CY2019Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	16000000
CY2018Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	18718000
CY2019Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	228749000
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	243111000
CY2019	us-gaap	Pension Expense Reversal Of Expense Noncash PensionExpenseReversalOfExpenseNoncash	4000000.0
CY2019	arcb	Long Term Cash Incentive Plan Earning Period LongTermCashIncentivePlanEarningPeriod	P3Y
CY2019Q4	arcb	Deferred Compensation Cash Based Arrangements Liability Noncurrent DeferredCompensationCashBasedArrangementsLiabilityNoncurrent	13700000
CY2018Q4	arcb	Deferred Compensation Cash Based Arrangements Liability Noncurrent DeferredCompensationCashBasedArrangementsLiabilityNoncurrent	18300000
CY2017Q4	arcb	Deferred Compensation Cash Based Arrangements Liability Noncurrent DeferredCompensationCashBasedArrangementsLiabilityNoncurrent	6600000
CY2019Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	53200000
CY2018Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	49300000
CY2019	arcb	Life Insurance Policy Recognized Gains LifeInsurancePolicyRecognizedGains	3700000
CY2018	arcb	Life Insurance Policy Recognized Gains LifeInsurancePolicyRecognizedGains	100000
CY2017	arcb	Life Insurance Policy Recognized Gains LifeInsurancePolicyRecognizedGains	2600000
CY2017Q4	arcb	Accumulated Defined Benefit Plan Adjustment Previous Valuation Allowance AccumulatedDefinedBenefitPlanAdjustmentPreviousValuationAllowance	-4000000.0
CY2018Q4	arcb	Accumulated Defined Benefit Plan Adjustment Previous Valuation Allowance AccumulatedDefinedBenefitPlanAdjustmentPreviousValuationAllowance	-4000000.0
CY2019Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.08
CY2019Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2052000
CY2018Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.08
CY2018Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2058000
CY2019Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.08
CY2019Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2050000
CY2018Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.08
CY2018Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2058000
CY2019Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.08
CY2019Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2043000
CY2018Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.08
CY2018Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2060000
CY2019Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.08
CY2019Q4	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2042000
CY2018Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.08
CY2018Q4	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2068000
CY2019Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	3404639
CY2018Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	3097634
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	4000000.0
CY2019	us-gaap	Net Income Loss NetIncomeLoss	39985000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	67262000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	59726000
CY2019	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	22000
CY2018	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	150000
CY2017	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	238000
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	39963000
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	67112000
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	59488000
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25535529
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25679736
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25683745
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.56
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.61
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.32
CY2019	us-gaap	Net Income Loss NetIncomeLoss	39985000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	67262000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	59726000
CY2019	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	21000
CY2018	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	145000
CY2017	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	233000
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	39964000
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	67117000
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	59493000
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25535529
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25679736
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25683745
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	914526
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1019095
CY2017	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	740644
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26450055
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26698831
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26424389
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.51
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.51
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.25
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2988310000
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3093788000
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2826457000
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	2924540000
CY2018	us-gaap	Costs And Expenses CostsAndExpenses	2984690000
CY2017	us-gaap	Costs And Expenses CostsAndExpenses	2765109000
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	63770000
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	109098000
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	61348000
CY2019	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	6453000
CY2018	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	3914000
CY2017	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	1293000
CY2019	us-gaap	Interest And Debt Expense InterestAndDebtExpense	11467000
CY2018	us-gaap	Interest And Debt Expense InterestAndDebtExpense	9468000
CY2017	us-gaap	Interest And Debt Expense InterestAndDebtExpense	6342000
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-7285000
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-19158000
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-4723000
CY2019	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-12299000
CY2018	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-24712000
CY2017	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-9772000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	51471000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	84386000
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	51576000
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	160684000
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	137675000
CY2017	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	149951000
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25527982
CY2019Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25490393
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	112466000
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	108635000
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	103068000
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1408409000
CY2018	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1398348000
CY2017	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1361224000
CY2019	arcb	Rents Purchased Transportation Other Costs Of Services RentsPurchasedTransportationOtherCostsOfServices	934958000
CY2018	arcb	Rents Purchased Transportation Other Costs Of Services RentsPurchasedTransportationOtherCostsOfServices	989006000
CY2017	arcb	Rents Purchased Transportation Other Costs Of Services RentsPurchasedTransportationOtherCostsOfServices	869584000
CY2019	arcb	Fuel Supplies And Expenses FuelSuppliesAndExpenses	316047000
CY2018	arcb	Fuel Supplies And Expenses FuelSuppliesAndExpenses	325126000
CY2017	arcb	Fuel Supplies And Expenses FuelSuppliesAndExpenses	304126000
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	112466000
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	108635000
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	103068000
CY2019	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	126146000
CY2018	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	123998000
CY2017	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	124144000
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	26514000
CY2018	arcb	Multiemployer Pension Fund Withdrawal Liability Charge MultiemployerPensionFundWithdrawalLiabilityCharge	37922000
CY2018	us-gaap	Restructuring Charges RestructuringCharges	1655000
CY2017	us-gaap	Restructuring Charges RestructuringCharges	2963000
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	2924540000
CY2018	us-gaap	Costs And Expenses CostsAndExpenses	2984690000
CY2017	us-gaap	Costs And Expenses CostsAndExpenses	2765109000
CY2018	us-gaap	Restructuring Charges RestructuringCharges	1655000
CY2017	us-gaap	Restructuring Charges RestructuringCharges	2963000
CY2019Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	711839000
CY2019Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	771490000
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	787563000
CY2019Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	717418000
CY2019Q1	us-gaap	Costs And Expenses CostsAndExpenses	703248000
CY2019Q2	us-gaap	Costs And Expenses CostsAndExpenses	736290000
CY2019Q3	us-gaap	Costs And Expenses CostsAndExpenses	756355000
CY2019Q4	us-gaap	Costs And Expenses CostsAndExpenses	728647000
CY2019Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	8591000
CY2019Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	35200000
CY2019Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	31208000
CY2019Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	-11229000
CY2019Q1	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-1995000
CY2019Q2	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-1640000
CY2019Q3	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-7866000
CY2019Q4	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-798000
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1708000
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9184000
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7072000
CY2019Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-6478000
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	4888000
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	24376000
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	16270000
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	-5549000
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.19
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.95
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.64
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.22
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.18
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.92
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.62
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.22
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25570415
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25554286
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.37
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26512349
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26431592
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26416595
CY2019Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	25490393
CY2018Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	700001000
CY2018Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	793350000
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.05
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.52
CY2018Q2	arcb	Multiemployer Pension Fund Withdrawal Liability Charge MultiemployerPensionFundWithdrawalLiabilityCharge	37900000
CY2018Q2	arcb	Multiemployer Pension Fund Withdrawal Liability Charge Net MultiemployerPensionFundWithdrawalLiabilityChargeNet	28200000
CY2018Q2	arcb	Multiemployer Plans Withdrawal Liability Charge Per Share Diluted MultiemployerPlansWithdrawalLiabilityChargePerShareDiluted	1.05
CY2018Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	826158000
CY2018Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	774279000
CY2018Q1	us-gaap	Costs And Expenses CostsAndExpenses	687276000
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.57
CY2018Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25642871
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25670325
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25697509
CY2018Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25707335
CY2018Q2	us-gaap	Costs And Expenses CostsAndExpenses	790194000
CY2018Q3	us-gaap	Costs And Expenses CostsAndExpenses	770103000
CY2018Q4	us-gaap	Costs And Expenses CostsAndExpenses	737117000
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	12725000
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	3156000
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	56055000
CY2018Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	37162000
CY2018Q1	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-3734000
CY2018Q2	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-2422000
CY2018Q3	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-2064000
CY2018Q4	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-16492000
CY2018Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-963000
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-499000
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	13215000
CY2018Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5371000
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	9954000
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	1233000
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	40776000
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	15299000
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.39
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.05
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.58
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2018Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26596376
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26699549
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26795659
CY2018Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26682262
CY2019Q4	us-gaap	Asset Impairment Charges AssetImpairmentCharges	26500000
CY2019Q4	arcb	Noncash Impairment Charge After Tax NoncashImpairmentChargeAfterTax	19800000
CY2019Q4	arcb	Noncash Impairment Charge Diluted Per Share NoncashImpairmentChargeDilutedPerShare	0.78

Files In Submission

Name	View Source	Status
0001558370-20-001796-index-headers.html	Edgar Link	pending
0001558370-20-001796-index.html	Edgar Link	pending
0001558370-20-001796.txt	Edgar Link	pending
0001558370-20-001796-xbrl.zip	Edgar Link	pending
arcb-20191231.xsd	Edgar Link	pending
arcb-20191231x10kb051b4.htm	Edgar Link	pending
arcb-20191231x10kb051b4_htm.xml	Edgar Link	completed
arcb-20191231_cal.xml	Edgar Link	unprocessable
arcb-20191231_def.xml	Edgar Link	unprocessable
arcb-20191231_lab.xml	Edgar Link	unprocessable
arcb-20191231_pre.xml	Edgar Link	unprocessable
ex-10d36.htm	Edgar Link	pending
ex-21.htm	Edgar Link	pending
ex-23.htm	Edgar Link	pending
ex-31d1.htm	Edgar Link	pending
ex-31d2.htm	Edgar Link	pending
ex-32.htm	Edgar Link	pending
ex-4d1.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R100.htm	Edgar Link	pending
R101.htm	Edgar Link	pending
R102.htm	Edgar Link	pending
R103.htm	Edgar Link	pending
R104.htm	Edgar Link	pending
R105.htm	Edgar Link	pending
R106.htm	Edgar Link	pending
R107.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R88.htm	Edgar Link	pending
R89.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R90.htm	Edgar Link	pending
R91.htm	Edgar Link	pending
R92.htm	Edgar Link	pending
R93.htm	Edgar Link	pending
R94.htm	Edgar Link	pending
R95.htm	Edgar Link	pending
R96.htm	Edgar Link	pending
R97.htm	Edgar Link	pending
R98.htm	Edgar Link	pending
R99.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$ARCB
ARCBEST CORP /DE/ Stock $arcb

2019 Q4 Form 10-K Financial Statement

#000155837020001796 Filed on February 28, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ARCB ARCBEST CORP /DE/ Stock $arcb

2019 Q4 Form 10-K Financial Statement

#000155837020001796 Filed on February 28, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ARCB
ARCBEST CORP /DE/ Stock $arcb