$ARCB
ARCBEST CORP /DE/ Stock $arcb

$arcb Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000155837022002184 Filed on February 25, 2022

Income Statement

Concept	2021 Q4	2021 Q3	2021
Revenue	$1.185B	$1.017B	$3.980B
YoY Change	45.17%	27.88%	35.37%
Cost Of Revenue	$240.1M	$228.6M	$882.0M
YoY Change	28.14%	33.63%	32.12%
Gross Profit	$945.1M	$788.0M	$3.098B
YoY Change	50.25%	26.31%	36.33%
Gross Profit Margin	79.74%	77.51%	77.84%
Selling, General & Admin	$739.8M	$596.8M	$2.429B
YoY Change	43.68%	19.36%	29.98%
% of Gross Profit	78.28%	75.73%	78.41%
Research & Development			$32.80M
YoY Change			28.13%
% of Gross Profit			1.06%
Depreciation & Amortization	$33.23M	$30.36M	$124.2M
YoY Change	9.66%	1.09%	4.92%
% of Gross Profit	3.52%	3.85%	4.01%
Operating Expenses	$858.2M	$700.5M	$32.80M
YoY Change	43.3%	19.94%	28.13%
Operating Profit	$86.88M	$87.56M	$281.0M
YoY Change	187.2%	120.1%	185.91%
Interest Expense	-$1.892M	-$1.749M	-$7.629M
YoY Change	-5.4%	-16.71%	-5.81%
% of Operating Profit	-2.18%	-2.0%	-2.72%
Other Income/Expense, Net	$1.156M	$338.0K	$3.797M
YoY Change	-42.2%	-77.47%	65.16%
Pretax Income	$86.20M	$86.15M	$277.2M
YoY Change	185.43%	119.89%	199.64%
Income Tax	$20.71M	$22.46M	$63.63M
% Of Pretax Income	24.03%	26.07%	22.96%
Net Earnings	$65.49M	$63.69M	$213.5M
YoY Change	173.85%	116.61%	200.31%
Net Earnings / Revenue	5.53%	6.26%	5.36%
Basic Earnings Per Share		$2.48	$8.38
Diluted Earnings Per Share	$2.474M	$2.38	$7.98
COMMON SHARES
Basic Shares Outstanding	25.57M	25.63M	25.47M
Diluted Shares Outstanding		26.77M	26.77M

Balance Sheet

Concept	2021 Q4	2021 Q3	2021
SHORT-TERM ASSETS
Cash & Short-Term Investments	$125.0M	$468.5M	$125.0M
YoY Change	-66.17%	33.44%	-66.17%
Cash & Equivalents	$76.62M	$408.2M	$3.830M
Short-Term Investments	$48.34M	$60.29M	$48.34M
Other Short-Term Assets	$5.898M	$6.419M	$55.66M
YoY Change	33.38%	22.62%	3.84%
Inventory
Prepaid Expenses	$40.10M	$30.12M
Receivables	$582.3M	$425.0M	$582.3M
Other Receivables	$13.09M	$13.83M	$13.09M
Total Short-Term Assets	$776.1M	$953.1M	$776.1M
YoY Change	2.36%	30.52%	2.35%
LONG-TERM ASSETS
Property, Plant & Equipment	$695.9M	$684.3M	$802.6M
YoY Change	2.54%	0.92%	1.1%
Goodwill	$300.3M	$86.37M
YoY Change	240.06%	-2.21%
Intangibles	$126.6M	$52.14M
YoY Change	130.22%	-6.93%
Long-Term Investments
YoY Change
Other Assets	$101.6M	$74.73M	$107.1M
YoY Change	31.14%	0.91%	27.96%
Total Long-Term Assets	$1.337B	$1.009B	$1.337B
YoY Change	30.93%	-0.66%	30.94%
TOTAL ASSETS
Total Short-Term Assets	$776.1M	$953.1M	$776.1M
Total Long-Term Assets	$1.337B	$1.009B	$1.337B
Total Assets	$2.113B	$1.962B	$2.113B
YoY Change	18.76%	12.38%	18.76%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$311.4M	$227.9M	$311.4M
YoY Change	82.21%	40.66%	82.21%
Accrued Expenses	$305.9M	$291.6M	$318.4M
YoY Change	23.95%	17.02%	24.7%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$50.62M	$67.90M	$50.62M
YoY Change	-24.57%	3.03%	-24.57%
Total Short-Term Liabilities	$702.7M	$615.7M	$702.7M
YoY Change	38.72%	23.75%	38.74%
LONG-TERM LIABILITIES
Long-Term Debt	$174.9M	$176.5M	$174.9M
YoY Change	-19.43%	-21.88%	-19.43%
Other Long-Term Liabilities	$135.5M	$38.21M	$241.1M
YoY Change	257.17%	8.0%	56.26%
Total Long-Term Liabilities	$135.5M	$38.21M	$416.0M
YoY Change	257.17%	8.0%	12.01%
TOTAL LIABILITIES
Total Short-Term Liabilities	$702.7M	$615.7M	$702.7M
Total Long-Term Liabilities	$135.5M	$38.21M	$416.0M
Total Liabilities	$838.2M	$653.9M	$1.184B
YoY Change	53.95%	22.7%	24.54%
SHAREHOLDERS EQUITY
Retained Earnings	$801.3M	$737.8M
YoY Change	34.46%	28.53%
Common Stock	$318.3M	$340.6M
YoY Change	-7.1%	0.12%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$929.1M	$961.0M	$929.1M
YoY Change
Total Liabilities & Shareholders Equity	$2.113B	$1.962B	$2.113B
YoY Change	18.76%	12.38%	18.76%

Cashflow Statement

Concept	2021 Q4	2021 Q3	2021
OPERATING ACTIVITIES
Net Income	$65.49M	$63.69M	$213.5M
YoY Change	173.85%	116.61%	200.31%
Depreciation, Depletion And Amortization	$33.23M	$30.36M	$124.2M
YoY Change	9.66%	1.09%	4.92%
Cash From Operating Activities	$85.17M	$92.44M	$323.5M
YoY Change	55.71%	33.59%	57.05%
INVESTING ACTIVITIES
Capital Expenditures	-$20.66M	-$22.94M	$58.41M
YoY Change	-25.69%	227.74%	35.06%
Acquisitions			$239.4M
YoY Change
Other Investing Activities	-$250.4M	$333.0K	-$224.7M
YoY Change	-1203.15%	-99.61%	-445.74%
Cash From Investing Activities	-$271.1M	-$22.61M	-$303.2M
YoY Change	5321.5%	-128.87%	-4163.85%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$83.10M
YoY Change			1160.05%
Debt Paid & Issued, Net			$171.9M
YoY Change			-47.28%
Cash From Financing Activities	-145.7M	-24.24M	-247.6M
YoY Change	995.38%	-91.53%	122.29%
NET CHANGE
Cash From Operating Activities	85.17M	92.44M	323.5M
Cash From Investing Activities	-271.1M	-22.61M	-303.2M
Cash From Financing Activities	-145.7M	-24.24M	-247.6M
Net Change In Cash	-331.6M	45.59M	-227.3M
YoY Change	-1010.95%	-132.87%	-322.78%
FREE CASH FLOW
Cash From Operating Activities	$85.17M	$92.44M	$323.5M
Capital Expenditures	-$20.66M	-$22.94M	$58.41M
Free Cash Flow	$105.8M	$115.4M	$265.1M
YoY Change	28.28%	51.42%	62.9%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Fort Smith
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	AR
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	72916
CY2021	dei	City Area Code CityAreaCode	479
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	8401 McClure Drive
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0000894405
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	0-19969
CY2021	dei	Entity Registrant Name EntityRegistrantName	ARCBEST CORPORATION
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	71-0673405
CY2021	dei	Local Phone Number LocalPhoneNumber	785-6000
CY2021	dei	Security12b Title Security12bTitle	Common Stock
CY2021	dei	Trading Symbol TradingSymbol	ARCB
CY2021	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	false
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021Q2	dei	Entity Public Float EntityPublicFloat	1458553375
CY2022Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	24597758
CY2020Q4	arcb	Service Office And Other Equipment Gross ServiceOfficeAndOtherEquipmentGross	233810000
CY2021Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	175989000
CY2020Q4	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	163193000
CY2021Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	16931000
CY2020Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	15156000
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1774982000
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1671097000
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1079061000
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	992407000
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	101629000
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	77496000
CY2021Q4	us-gaap	Assets Assets	2112676000
CY2020Q4	us-gaap	Assets Assets	1779008000
CY2021	dei	Auditor Name AuditorName	Ernst & Young LLP
CY2021	dei	Auditor Location AuditorLocation	Tulsa, Oklahoma
CY2021	dei	Auditor Firm AuditorFirmId	42
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	76620000
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	303954000
CY2021Q4	us-gaap	Short Term Investments ShortTermInvestments	48339000
CY2020Q4	us-gaap	Short Term Investments ShortTermInvestments	65408000
CY2021Q4	arcb	Allowances For Credit Losses And Reserve For Customer Deductions AllowancesForCreditLossesAndReserveForCustomerDeductions	13226000
CY2020Q4	arcb	Allowances For Credit Losses And Reserve For Customer Deductions AllowancesForCreditLossesAndReserveForCustomerDeductions	7851000
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	582344000
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	320870000
CY2021Q4	us-gaap	Allowance For Doubtful Other Receivables Current AllowanceForDoubtfulOtherReceivablesCurrent	690000
CY2020Q4	us-gaap	Allowance For Doubtful Other Receivables Current AllowanceForDoubtfulOtherReceivablesCurrent	660000
CY2021Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	13094000
CY2020Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	14343000
CY2021Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	40104000
CY2020Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	37774000
CY2021Q4	arcb	Prepaid And Income Taxes Receivable Current PrepaidAndIncomeTaxesReceivableCurrent	9654000
CY2020Q4	arcb	Prepaid And Income Taxes Receivable Current PrepaidAndIncomeTaxesReceivableCurrent	11397000
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	5898000
CY2020Q4	us-gaap	Other Assets Current OtherAssetsCurrent	4422000
CY2021Q4	us-gaap	Assets Current AssetsCurrent	776053000
CY2020Q4	us-gaap	Assets Current AssetsCurrent	758168000
CY2021Q4	arcb	Land And Structures Gross LandAndStructuresGross	350694000
CY2020Q4	arcb	Land And Structures Gross LandAndStructuresGross	342178000
CY2021Q4	arcb	Revenue Equipment Gross RevenueEquipmentGross	980283000
CY2020Q4	arcb	Revenue Equipment Gross RevenueEquipmentGross	916760000
CY2021Q4	arcb	Service Office And Other Equipment Gross ServiceOfficeAndOtherEquipmentGross	251085000
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	695921000
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	678690000
CY2021Q4	us-gaap	Goodwill Goodwill	300337000
CY2020Q4	us-gaap	Goodwill Goodwill	88320000
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	126580000
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	54981000
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	106686000
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	115195000
CY2021Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	5470000
CY2020Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	6158000
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	318033000
CY2020Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	342354000
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	801314000
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	595932000
CY2021Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	4492514
CY2020Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	3656938
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	311401000
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	170898000
CY2021Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	12087000
CY2020Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	316000
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	305851000
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	246746000
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	50615000
CY2020Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	67105000
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	22740000
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	21482000
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	702694000
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	506547000
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	174917000
CY2020Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	217119000
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	88835000
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	97839000
CY2021Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	16733000
CY2020Q4	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent	18555000
CY2021Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	135537000
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	37948000
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	64893000
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	72407000
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	70000000
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	70000000
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	29359597
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	29045309
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	294000
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	290000
CY2021Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	194273000
CY2020Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	111173000
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	3699000
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1190000
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	929067000
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	828593000
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2112676000
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1779008000
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3980067000
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2940163000
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2988310000
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	3699081000
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	2841885000
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	2924540000
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	280986000
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	98278000
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	63770000
CY2021	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	1275000
CY2020	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	3616000
CY2019	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	6453000
CY2021	us-gaap	Interest And Debt Expense InterestAndDebtExpense	8904000
CY2020	us-gaap	Interest And Debt Expense InterestAndDebtExpense	11697000
CY2019	us-gaap	Interest And Debt Expense InterestAndDebtExpense	11467000
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3797000
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2299000
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-7285000
CY2021	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-3832000
CY2020	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-5782000
CY2019	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-12299000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	277154000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	92496000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	51471000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	63633000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21396000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11486000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	213521000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	71100000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	39985000
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	8.38
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.80
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.56
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.98
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.69
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.51
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25471939
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25410232
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25535529
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26772126
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26422523
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26450055
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.32
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.32
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.32
CY2021	us-gaap	Net Income Loss NetIncomeLoss	213521000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	71100000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	39985000
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	451000
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	513000
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	2308000
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	1300000
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	1480000
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	6657000
CY2020	arcb	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Settlements Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationSettlementsTax	23000
CY2019	arcb	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Settlements Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationSettlementsTax	1167000
CY2020	arcb	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Settlements Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationSettlementsNetOfTax	66000
CY2019	arcb	Other Comprehensive Income Loss Finalization Of Pension And Non Pension Postretirement Plan Valuation Settlements Net Of Tax OtherComprehensiveIncomeLossFinalizationOfPensionAndNonPensionPostretirementPlanValuationSettlementsNetOfTax	7338000
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	-139000
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	-152000
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax	314000
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	400000
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax	437000
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
CY2020	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	-1000
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
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	534000
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-277000
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTax	-357000
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	1507000
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-782000
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-1007000
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	36000
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	232000
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	194000
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	102000
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	661000
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	547000
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2509000
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	987000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	14441000
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	216030000
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	72087000
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	54426000
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
CY2020	us-gaap	Net Income Loss NetIncomeLoss	71100000
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	987000
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2065000
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10478000
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	6595000
CY2020	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	8157000
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	828593000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	213521000
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	2509000
CY2021	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	10743000
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	11426000
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	83100000
CY2021	us-gaap	Accelerated Share Repurchase Program Adjustment AcceleratedShareRepurchaseProgramAdjustment	-25000000
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	8139000
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	929067000
CY2021	us-gaap	Profit Loss ProfitLoss	213521000
CY2020	us-gaap	Profit Loss ProfitLoss	71100000
CY2019	us-gaap	Profit Loss ProfitLoss	39985000
CY2021	us-gaap	Depreciation Depreciation	118864000
CY2020	us-gaap	Depreciation Depreciation	114379000
CY2019	us-gaap	Depreciation Depreciation	108099000
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5357000
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4012000
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4367000
CY2020	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	-89000
CY2019	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	-8505000
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	11426000
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	10478000
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	9523000
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1466000
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4327000
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1223000
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-7589000
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	7715000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5411000
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	26514000
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	8520000
CY2020	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	2376000
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	5247000
CY2021	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	6923000
CY2021	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	122782000
CY2020	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	38129000
CY2019	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-13720000
CY2021	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	1482000
CY2020	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	7966000
CY2019	us-gaap	Increase Decrease In Prepaid Expense IncreaseDecreaseInPrepaidExpense	4756000
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-354000
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-2646000
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1365000
CY2021	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	13136000
CY2020	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	-1712000
CY2019	us-gaap	Increase Decrease In Income Taxes IncreaseDecreaseInIncomeTaxes	-8720000
CY2021	arcb	Increase Decrease In Operating Right Of Use Assets And Lease Liabilities Net IncreaseDecreaseInOperatingRightOfUseAssetsAndLeaseLiabilitiesNet	-623000
CY2020	arcb	Increase Decrease In Operating Right Of Use Assets And Lease Liabilities Net IncreaseDecreaseInOperatingRightOfUseAssetsAndLeaseLiabilitiesNet	-756000
CY2019	arcb	Increase Decrease In Operating Right Of Use Assets And Lease Liabilities Net IncreaseDecreaseInOperatingRightOfUseAssetsAndLeaseLiabilitiesNet	-728000
CY2021	arcb	Increase Decrease In Accounts Payable Accrued Expenses And Other Liabilities IncreaseDecreaseInAccountsPayableAccruedExpensesAndOtherLiabilities	106064000
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	170364000
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	58412000
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	43248000
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	90955000
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	13815000
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	13348000
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	13490000
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	239380000
CY2020	arcb	Increase Decrease In Accounts Payable Accrued Expenses And Other Liabilities IncreaseDecreaseInAccountsPayableAccruedExpensesAndOtherLiabilities	40670000
CY2019	arcb	Increase Decrease In Accounts Payable Accrued Expenses And Other Liabilities IncreaseDecreaseInAccountsPayableAccruedExpensesAndOtherLiabilities	-27623000
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	323515000
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	205989000
CY2021	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	9013000
CY2021	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	56011000
CY2020	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	165133000
CY2019	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	129709000
CY2021	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	73182000
CY2020	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	216735000
CY2019	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	120409000
CY2021	us-gaap	Payments To Acquire Longterm Investments PaymentsToAcquireLongtermInvestments	25350000
CY2021	us-gaap	Payments To Develop Software PaymentsToDevelopSoftware	20061000
CY2020	us-gaap	Payments To Develop Software PaymentsToDevelopSoftware	14241000
CY2019	us-gaap	Payments To Develop Software PaymentsToDevelopSoftware	11476000
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-303204000
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	7461000
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-98241000
CY2021	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	50000000
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	180000000
CY2020	us-gaap	Proceeds From Accounts Receivable Securitization ProceedsFromAccountsReceivableSecuritization	45000000
CY2021	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	3523000
CY2019	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	20410000
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	171915000
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	326098000
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	58938000
CY2021	us-gaap	Increase Decrease In Book Overdrafts IncreaseDecreaseInBookOverdrafts	-1957000
CY2020	us-gaap	Increase Decrease In Book Overdrafts IncreaseDecreaseInBookOverdrafts	6510000
CY2019	us-gaap	Increase Decrease In Book Overdrafts IncreaseDecreaseInBookOverdrafts	-2722000
CY2021	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	314000
CY2019	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	562000
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	8139000
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	8157000
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	8187000
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	83100000
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	6595000
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	9110000
CY2021	arcb	Forward Contract For Accelerated Share Repurchase ForwardContractForAcceleratedShareRepurchase	-25000000
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	10743000
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2065000
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1291000
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-247645000
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-111405000
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-60400000
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-227334000
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	102045000
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	11723000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	303954000
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
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	76620000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	303954000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	201909000
CY2021	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	59700000
CY2020	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	61803000
CY2019	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	70372000
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1704000
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1667000
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	234000
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	14671000
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	67819000
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	32761000
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-family:'Times New Roman','Times','serif';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>
CY2021	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p style="font-family:'Times New Roman','Times','serif';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','Times','serif';font-size:12pt;text-align:justify;margin:0pt;"><span style="font-size:10pt;visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';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 4% of its revenues in 2021, 2020, or 2019 or more than 7% of its accounts receivable balance at December 31, 2021 </p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt;">and 2020. 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>
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	8800000
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3600000
CY2021	arcb	Allowance For Credit Losses Including Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Allowance For Credit Losses Increase Decrease AllowanceForCreditLossesIncludingBusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAllowanceForCreditLossesIncreaseDecrease	8000000.0
CY2021Q4	arcb	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Allowance For Credit Losses BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAllowanceForCreditLosses	6500000
CY2021	arcb	Accounts Receivable Allowance For Credit Loss Writeoff Net Of Recovery AccountsReceivableAllowanceForCreditLossWriteoffNetOfRecovery	2800000
CY2019	arcb	Impairment Of Long Lived Assets Held For Use And Intangible Assets ImpairmentOfLongLivedAssetsHeldForUseAndIntangibleAssets	6500000
CY2021Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	25000000.0
CY2021	us-gaap	Revenue Practical Expedient Incremental Cost Of Obtaining Contract RevenuePracticalExpedientIncrementalCostOfObtainingContract	true
CY2021	us-gaap	Revenue Practical Expedient Remaining Performance Obligation RevenuePracticalExpedientRemainingPerformanceObligation	true
CY2020Q4	us-gaap	Goodwill Goodwill	88320000
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	213969000
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	76620000
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	303954000
CY2021Q4	us-gaap	Short Term Investments ShortTermInvestments	48339000
CY2020Q4	us-gaap	Short Term Investments ShortTermInvestments	65408000
CY2021Q4	arcb	Deposits Uninsured Amount DepositsUninsuredAmount	42600000
CY2020Q4	arcb	Deposits Uninsured Amount DepositsUninsuredAmount	156400000
CY2021	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	4488564000
CY2020	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	3213722000
CY2021	arcb	Business Acquisition Pro Forma Income Loss Before Tax BusinessAcquisitionProFormaIncomeLossBeforeTax	266866000
CY2020	arcb	Business Acquisition Pro Forma Income Loss Before Tax BusinessAcquisitionProFormaIncomeLossBeforeTax	63622000
CY2021	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	205728000
CY2020	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	48290000
CY2021	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Diluted BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted	7.68
CY2020	us-gaap	Business Acquisition Pro Forma Income Loss From Continuing Operations Before Changes In Accounting And Extraordinary Items Net Of Tax Per Share Diluted BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted	1.83
CY2021	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	1952000
CY2021Q4	us-gaap	Goodwill Goodwill	300337000
CY2021Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	20000000
CY2020Q4	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2021	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P11Y
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	130656000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	36376000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	94280000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	53701000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	31020000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	22681000
CY2021Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	162956000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	36376000
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	126580000
CY2020Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	86001000
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	31020000
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	54981000
CY2020Q4	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0
CY2021Q4	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	12920000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	12826000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	12793000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	12778000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	8671000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	34292000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	94280000
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	56451000
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	10001000
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	2202000
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	14430000
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3267000
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1813000
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	341000
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	413000
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	2060000
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	71222000
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	13681000
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	6075000
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-6098000
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	5948000
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	4196000
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1554000
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1789000
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1221000
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	63000
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-22000
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-6000
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-7589000
CY2019	arcb	Deferred Income Tax Expense Benefit Compensation And Benefits Share Based Compensation Cost DeferredIncomeTaxExpenseBenefitCompensationAndBenefitsShareBasedCompensationCost	-709000
CY2021	arcb	Deferred Income Tax Expense Benefit Valuation Allowance DeferredIncomeTaxExpenseBenefitValuationAllowance	911000
CY2020	arcb	Deferred Income Tax Expense Benefit Valuation Allowance DeferredIncomeTaxExpenseBenefitValuationAllowance	617000
CY2019	arcb	Deferred Income Tax Expense Benefit Valuation Allowance DeferredIncomeTaxExpenseBenefitValuationAllowance	383000
CY2021	arcb	Deferred Income Tax Expense Benefit Other Accrued Expenses DeferredIncomeTaxExpenseBenefitOtherAccruedExpenses	-4097000
CY2020	arcb	Deferred Income Tax Expense Benefit Other Accrued Expenses DeferredIncomeTaxExpenseBenefitOtherAccruedExpenses	1663000
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	7715000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5411000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	63633000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21396000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11486000
CY2021	arcb	Deferred Income Tax Expense Benefit Property Plant And Equipment And Other Long Lived Assets DeferredIncomeTaxExpenseBenefitPropertyPlantAndEquipmentAndOtherLongLivedAssets	1451000
CY2020	arcb	Deferred Income Tax Expense Benefit Property Plant And Equipment And Other Long Lived Assets DeferredIncomeTaxExpenseBenefitPropertyPlantAndEquipmentAndOtherLongLivedAssets	4975000
CY2019	arcb	Deferred Income Tax Expense Benefit Property Plant And Equipment And Other Long Lived Assets DeferredIncomeTaxExpenseBenefitPropertyPlantAndEquipmentAndOtherLongLivedAssets	16255000
CY2021	arcb	Deferred Income Tax Expense Benefit Amortization Of Intangible Assets And Impairment DeferredIncomeTaxExpenseBenefitAmortizationOfIntangibleAssetsAndImpairment	-536000
CY2020	arcb	Deferred Income Tax Expense Benefit Amortization Of Intangible Assets And Impairment DeferredIncomeTaxExpenseBenefitAmortizationOfIntangibleAssetsAndImpairment	183000
CY2019	arcb	Deferred Income Tax Expense Benefit Amortization Of Intangible Assets And Impairment DeferredIncomeTaxExpenseBenefitAmortizationOfIntangibleAssetsAndImpairment	-6933000
CY2021	arcb	Deferred Income Tax Expense Benefit Reserves For Worker Compensation And Cargo Claims DeferredIncomeTaxExpenseBenefitReservesForWorkerCompensationAndCargoClaims	-3294000
CY2020	arcb	Deferred Income Tax Expense Benefit Reserves For Worker Compensation And Cargo Claims DeferredIncomeTaxExpenseBenefitReservesForWorkerCompensationAndCargoClaims	-182000
CY2019	arcb	Deferred Income Tax Expense Benefit Reserves For Worker Compensation And Cargo Claims DeferredIncomeTaxExpenseBenefitReservesForWorkerCompensationAndCargoClaims	-1880000
CY2021	arcb	Deferred Income Tax Expense Benefit Revenue Recognition DeferredIncomeTaxExpenseBenefitRevenueRecognition	-1445000
CY2020	arcb	Deferred Income Tax Expense Benefit Revenue Recognition DeferredIncomeTaxExpenseBenefitRevenueRecognition	-1481000
CY2019	arcb	Deferred Income Tax Expense Benefit Revenue Recognition DeferredIncomeTaxExpenseBenefitRevenueRecognition	-1437000
CY2021	arcb	Deferred Income Tax Expense Benefit Allowance For Doubtful Accounts DeferredIncomeTaxExpenseBenefitAllowanceForDoubtfulAccounts	156000
CY2020	arcb	Deferred Income Tax Expense Benefit Allowance For Doubtful Accounts DeferredIncomeTaxExpenseBenefitAllowanceForDoubtfulAccounts	-652000
CY2019	arcb	Deferred Income Tax Expense Benefit Allowance For Doubtful Accounts DeferredIncomeTaxExpenseBenefitAllowanceForDoubtfulAccounts	541000
CY2021	arcb	Deferred Income Tax Expense Benefit Pension And Other Retirement Plans DeferredIncomeTaxExpenseBenefitPensionAndOtherRetirementPlans	-3000
CY2020	arcb	Deferred Income Tax Expense Benefit Pension And Other Retirement Plans DeferredIncomeTaxExpenseBenefitPensionAndOtherRetirementPlans	957000
CY2019	arcb	Deferred Income Tax Expense Benefit Pension And Other Retirement Plans DeferredIncomeTaxExpenseBenefitPensionAndOtherRetirementPlans	564000
CY2021	arcb	Deferred Income Tax Expense Benefit Multiemployer Pension Fund Withdrawal DeferredIncomeTaxExpenseBenefitMultiemployerPensionFundWithdrawal	164000
CY2020	arcb	Deferred Income Tax Expense Benefit Multiemployer Pension Fund Withdrawal DeferredIncomeTaxExpenseBenefitMultiemployerPensionFundWithdrawal	157000
CY2019	arcb	Deferred Income Tax Expense Benefit Multiemployer Pension Fund Withdrawal DeferredIncomeTaxExpenseBenefitMultiemployerPensionFundWithdrawal	150000
CY2021	arcb	Deferred Income Tax Expense Benefit Operating Loss Carryforwards Federal And State DeferredIncomeTaxExpenseBenefitOperatingLossCarryforwardsFederalAndState	-300000
CY2020	arcb	Deferred Income Tax Expense Benefit Operating Loss Carryforwards Federal And State DeferredIncomeTaxExpenseBenefitOperatingLossCarryforwardsFederalAndState	-259000
CY2019	arcb	Deferred Income Tax Expense Benefit Operating Loss Carryforwards Federal And State DeferredIncomeTaxExpenseBenefitOperatingLossCarryforwardsFederalAndState	59000
CY2021	arcb	Deferred Income Tax Expense Benefit State Depreciation Adjustments DeferredIncomeTaxExpenseBenefitStateDepreciationAdjustments	598000
CY2020	arcb	Deferred Income Tax Expense Benefit State Depreciation Adjustments DeferredIncomeTaxExpenseBenefitStateDepreciationAdjustments	343000
CY2019	arcb	Deferred Income Tax Expense Benefit State Depreciation Adjustments DeferredIncomeTaxExpenseBenefitStateDepreciationAdjustments	-1302000
CY2021	arcb	Deferred Income Tax Expense Benefit Compensation And Benefits Share Based Compensation Cost DeferredIncomeTaxExpenseBenefitCompensationAndBenefitsShareBasedCompensationCost	-984000
CY2020	arcb	Deferred Income Tax Expense Benefit Compensation And Benefits Share Based Compensation Cost DeferredIncomeTaxExpenseBenefitCompensationAndBenefitsShareBasedCompensationCost	-195000
CY2019	arcb	Deferred Income Tax Expense Benefit Other Accrued Expenses DeferredIncomeTaxExpenseBenefitOtherAccruedExpenses	-699000
CY2021	arcb	Deferred Income Tax Expense Benefit Prepaid Expenses DeferredIncomeTaxExpenseBenefitPrepaidExpenses	-788000
CY2020	arcb	Deferred Income Tax Expense Benefit Prepaid Expenses DeferredIncomeTaxExpenseBenefitPrepaidExpenses	1207000
CY2019	arcb	Deferred Income Tax Expense Benefit Prepaid Expenses DeferredIncomeTaxExpenseBenefitPrepaidExpenses	1782000
CY2021	arcb	Deferred Income Tax Expense Benefit Operating Lease Right Of Use Assets Liabilities Net DeferredIncomeTaxExpenseBenefitOperatingLeaseRightOfUseAssetsLiabilitiesNet	-228000
CY2020	arcb	Deferred Income Tax Expense Benefit Operating Lease Right Of Use Assets Liabilities Net DeferredIncomeTaxExpenseBenefitOperatingLeaseRightOfUseAssetsLiabilitiesNet	-13000
CY2019	arcb	Deferred Income Tax Expense Benefit Operating Lease Right Of Use Assets Liabilities Net DeferredIncomeTaxExpenseBenefitOperatingLeaseRightOfUseAssetsLiabilitiesNet	-1049000
CY2021	arcb	Deferred Income Tax Expense Benefit Other DeferredIncomeTaxExpenseBenefitOther	806000
CY2020	arcb	Deferred Income Tax Expense Benefit Other DeferredIncomeTaxExpenseBenefitOther	395000
CY2019	arcb	Deferred Income Tax Expense Benefit Other DeferredIncomeTaxExpenseBenefitOther	-314000
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-7589000
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	7715000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5411000
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	47683000
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	40502000
CY2021Q4	arcb	Deferred Tax Assets Operating Lease Liabilities DeferredTaxAssetsOperatingLeaseLiabilities	30590000
CY2020Q4	arcb	Deferred Tax Assets Operating Lease Liabilities DeferredTaxAssetsOperatingLeaseLiabilities	33933000
CY2021Q4	arcb	Deferred Tax Assets Tax Deferred Expense Supplemental Pension Liabilities DeferredTaxAssetsTaxDeferredExpenseSupplementalPensionLiabilities	97000
CY2020Q4	arcb	Deferred Tax Assets Tax Deferred Expense Supplemental Pension Liabilities DeferredTaxAssetsTaxDeferredExpenseSupplementalPensionLiabilities	103000
CY2021Q4	arcb	Deferred Tax Assets Multiemployer Pension Fund Withdrawal DeferredTaxAssetsMultiemployerPensionFundWithdrawal	5247000
CY2020Q4	arcb	Deferred Tax Assets Multiemployer Pension Fund Withdrawal DeferredTaxAssetsMultiemployerPensionFundWithdrawal	5409000
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	4441000
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	4871000
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	6755000
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	5827000
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	1652000
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	1353000
CY2021Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	2778000
CY2020Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	1426000
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	266000
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1297000
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	99509000
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	94721000
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	2196000
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	1284000
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	97313000
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	93437000
CY2021Q4	arcb	Deferred Tax Liabilities Property Plant And Equipment And Other Long Lived Assets DeferredTaxLiabilitiesPropertyPlantAndEquipmentAndOtherLongLivedAssets	114999000
CY2020Q4	arcb	Deferred Tax Liabilities Property Plant And Equipment And Other Long Lived Assets DeferredTaxLiabilitiesPropertyPlantAndEquipmentAndOtherLongLivedAssets	113092000
CY2021Q4	arcb	Deferred Tax Liabilities Operating Lease Right Of Use Assets DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets	29403000
CY2020Q4	arcb	Deferred Tax Liabilities Operating Lease Right Of Use Assets DeferredTaxLiabilitiesOperatingLeaseRightOfUseAssets	32923000
CY2021Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	6966000
CY2020Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	7520000
CY2021Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	5368000
CY2020Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	6151000
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	156736000
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	159686000
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	59423000
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	66249000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	58202000
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	19424000
CY2021	arcb	Income Tax Reconciliation Life Insurance Proceeds And Changes IncomeTaxReconciliationLifeInsuranceProceedsAndChanges	-866000
CY2020	arcb	Income Tax Reconciliation Life Insurance Proceeds And Changes IncomeTaxReconciliationLifeInsuranceProceedsAndChanges	-488000
CY2019	arcb	Income Tax Reconciliation Life Insurance Proceeds And Changes IncomeTaxReconciliationLifeInsuranceProceedsAndChanges	-775000
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	10809000
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-2704000
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-1062000
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-637000
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	3596000
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	1395000
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	1344000
CY2020	arcb	Income Tax Reconciliation Tax Credits Fuel Tax IncomeTaxReconciliationTaxCreditsFuelTax	1261000
CY2019	arcb	Income Tax Reconciliation Tax Credits Fuel Tax IncomeTaxReconciliationTaxCreditsFuelTax	2340000
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	887000
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	617000
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	382000
CY2021	arcb	Effective Income Tax Rate Reconciliation Change In Uncertain Tax Positions EffectiveIncomeTaxRateReconciliationChangeInUncertainTaxPositions	854000
CY2020	arcb	Effective Income Tax Rate Reconciliation Change In Uncertain Tax Positions EffectiveIncomeTaxRateReconciliationChangeInUncertainTaxPositions	-933000
CY2019	arcb	Effective Income Tax Rate Reconciliation Change In Uncertain Tax Positions EffectiveIncomeTaxRateReconciliationChangeInUncertainTaxPositions	-20000
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-6140000
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	420000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	388000
CY2019	arcb	Effective Income Tax Rate Reconciliation Nonunion Pension Termination Expense EffectiveIncomeTaxRateReconciliationNonunionPensionTerminationExpense	1040000
CY2021	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	404000
CY2020	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	391000
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Foreign IncomeTaxReconciliationTaxCreditsForeign	2054000
CY2021	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	2044000
CY2020	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	2078000
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	1354000
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1028000
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	306000
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-385000
CY2021	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	50353000
CY2020	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	15949000
CY2019	us-gaap	Federal Income Tax Expense Benefit Continuing Operations FederalIncomeTaxExpenseBenefitContinuingOperations	6398000
CY2021	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	12876000
CY2020	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	5056000
CY2019	us-gaap	State And Local Income Tax Expense Benefit Continuing Operations StateAndLocalIncomeTaxExpenseBenefitContinuingOperations	3034000
CY2021	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	404000
CY2020	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	391000
CY2019	us-gaap	Foreign Income Tax Expense Benefit Continuing Operations ForeignIncomeTaxExpenseBenefitContinuingOperations	2054000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	63633000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21396000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11486000
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.230
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.231
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.223
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	77500000
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	28600000
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	28100000
CY2021	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	19400000
CY2020	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	13300000
CY2019	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	13100000
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	900000
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0
CY2021	us-gaap	Lessor Operating Lease Existence Of Option To Terminate LessorOperatingLeaseExistenceOfOptionToTerminate	false
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	26552000
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	24559000
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	22291000
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	4128000
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	3152000
CY2019	us-gaap	Variable Lease Cost VariableLeaseCost	3366000
CY2021	us-gaap	Sublease Income SubleaseIncome	626000
CY2020	us-gaap	Sublease Income SubleaseIncome	398000
CY2019	us-gaap	Sublease Income SubleaseIncome	324000
CY2021	us-gaap	Lease Cost LeaseCost	30054000
CY2020	us-gaap	Lease Cost LeaseCost	27313000
CY2019	us-gaap	Lease Cost LeaseCost	25333000
CY2021	arcb	Operating Lease Noncash Change In Operating Right Of Use Assets OperatingLeaseNoncashChangeInOperatingRightOfUseAssets	24023000
CY2020	arcb	Operating Lease Noncash Change In Operating Right Of Use Assets OperatingLeaseNoncashChangeInOperatingRightOfUseAssets	21184000
CY2019	arcb	Operating Lease Noncash Change In Operating Right Of Use Assets OperatingLeaseNoncashChangeInOperatingRightOfUseAssets	20439000
CY2021	arcb	Operating Lease Change In Operating Lease Liabilities OperatingLeaseChangeInOperatingLeaseLiabilities	23400000
CY2020	arcb	Operating Lease Change In Operating Lease Liabilities OperatingLeaseChangeInOperatingLeaseLiabilities	20428000
CY2019	arcb	Operating Lease Change In Operating Lease Liabilities OperatingLeaseChangeInOperatingLeaseLiabilities	19711000
CY2021	arcb	Operating Right Use Of Assets And Lease Liabilities Net OperatingRightUseOfAssetsAndLeaseLiabilitiesNet	623000
CY2020	arcb	Operating Right Use Of Assets And Lease Liabilities Net OperatingRightUseOfAssetsAndLeaseLiabilitiesNet	756000
CY2019	arcb	Operating Right Use Of Assets And Lease Liabilities Net OperatingRightUseOfAssetsAndLeaseLiabilitiesNet	728000
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	25909000
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	23810000
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	21714000
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	106686000
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	22740000
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	88835000
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	111575000
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y10M24D
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0288
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	115195000
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	21482000
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	97839000
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	119321000
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y8M12D
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0318
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	25567000
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	19800000
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	17414000
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	14839000
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	11404000
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	33750000
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	122774000
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	11199000
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	111575000
CY2021Q4	arcb	Lessee Operating Lease Lease Not Yet Commenced Amount LesseeOperatingLeaseLeaseNotYetCommencedAmount	85300000
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	225532000
CY2020Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	284224000
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	50615000
CY2020Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	67105000
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	174917000
CY2020Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	217119000
CY2021Q4	arcb	Maturities Of Long Term Debt And Future Minimum Payments Under Capital Leases Due Current MaturitiesOfLongTermDebtAndFutureMinimumPaymentsUnderCapitalLeasesDueCurrent	55060000
CY2021Q4	arcb	Maturities Of Long Term Debt And Future Minimum Payments Under Capital Leases Due In Two Years MaturitiesOfLongTermDebtAndFutureMinimumPaymentsUnderCapitalLeasesDueInTwoYears	51599000
CY2021Q4	arcb	Maturities Of Long Term Debt And Future Minimum Payments Under Capital Leases Due In Three Years MaturitiesOfLongTermDebtAndFutureMinimumPaymentsUnderCapitalLeasesDueInThreeYears	95675000
CY2021Q4	arcb	Maturities Of Long Term Debt And Future Minimum Payments Under Capital Leases Due In Four Years MaturitiesOfLongTermDebtAndFutureMinimumPaymentsUnderCapitalLeasesDueInFourYears	22856000
CY2021Q4	arcb	Maturities Of Long Term Debt And Future Minimum Payments Under Capital Leases Due In Five Years MaturitiesOfLongTermDebtAndFutureMinimumPaymentsUnderCapitalLeasesDueInFiveYears	10898000
CY2021Q4	arcb	Maturities Of Long Term Debt And Future Minimum Payments Under Capital Leases Due Thereafter MaturitiesOfLongTermDebtAndFutureMinimumPaymentsUnderCapitalLeasesDueThereafter	293000
CY2021Q4	arcb	Maturities Of Long Term Debt And Future Minimum Payments Under Capital Leases Due MaturitiesOfLongTermDebtAndFutureMinimumPaymentsUnderCapitalLeasesDue	236381000
CY2021Q4	arcb	Maturities Of Long Term Debt And Future Minimum Payments Under Capital Leases Interest Included In Payments MaturitiesOfLongTermDebtAndFutureMinimumPaymentsUnderCapitalLeasesInterestIncludedInPayments	10849000
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	225532000
CY2021Q4	arcb	Debt Instrument Collateral Property Plant And Equipment Gross DebtInstrumentCollateralPropertyPlantAndEquipmentGross	271665000
CY2020Q4	arcb	Debt Instrument Collateral Property Plant And Equipment Gross DebtInstrumentCollateralPropertyPlantAndEquipmentGross	353093000
CY2021Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	10225000
CY2020Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	10468000
CY2021Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	15590000
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	12962000
CY2019	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	200000
CY2021Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	10600000
CY2020Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	12300000
CY2021Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	116535000
CY2020Q4	us-gaap	Self Insurance Reserve Current SelfInsuranceReserveCurrent	103898000
CY2021Q4	us-gaap	Accrued Vacation Current AccruedVacationCurrent	52746000
CY2020Q4	us-gaap	Accrued Vacation Current AccruedVacationCurrent	51728000
CY2021Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	110755000
CY2020Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	67690000
CY2021Q4	arcb	Debt Instrument Collateral Accumulated Depreciation And Amortization Property Plant And Equipment DebtInstrumentCollateralAccumulatedDepreciationAndAmortizationPropertyPlantAndEquipment	88696000
CY2020Q4	arcb	Debt Instrument Collateral Accumulated Depreciation And Amortization Property Plant And Equipment DebtInstrumentCollateralAccumulatedDepreciationAndAmortizationPropertyPlantAndEquipment	115424000
CY2021Q4	arcb	Debt Instrument Collateral Property Plant And Equipment Net DebtInstrumentCollateralPropertyPlantAndEquipmentNet	182969000
CY2020Q4	arcb	Debt Instrument Collateral Property Plant And Equipment Net DebtInstrumentCollateralPropertyPlantAndEquipmentNet	237669000
CY2021Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.026
CY2021	us-gaap	Interest Paid Net InterestPaidNet	8700000
CY2020	us-gaap	Interest Paid Net InterestPaidNet	11300000
CY2019	us-gaap	Interest Paid Net InterestPaidNet	10900000
CY2021	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	500000
CY2020	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	300000
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	305851000
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	246746000
CY2021	arcb	Long Term Cash Incentive Plan Earning Period LongTermCashIncentivePlanEarningPeriod	P3Y
CY2021Q4	arcb	Deferred Compensation Cash Based Arrangements Liability Noncurrent DeferredCompensationCashBasedArrangementsLiabilityNoncurrent	28300000
CY2020Q4	arcb	Deferred Compensation Cash Based Arrangements Liability Noncurrent DeferredCompensationCashBasedArrangementsLiabilityNoncurrent	14200000
CY2019Q4	arcb	Deferred Compensation Cash Based Arrangements Liability Noncurrent DeferredCompensationCashBasedArrangementsLiabilityNoncurrent	13700000
CY2021Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	57200000
CY2020Q4	us-gaap	Cash Surrender Value Of Life Insurance CashSurrenderValueOfLifeInsurance	55700000
CY2021	arcb	Life Insurance Policy Recognized Gains LifeInsurancePolicyRecognizedGains	4100000
CY2020	arcb	Life Insurance Policy Recognized Gains LifeInsurancePolicyRecognizedGains	2300000
CY2019	arcb	Life Insurance Policy Recognized Gains LifeInsurancePolicyRecognizedGains	3700000
CY2021Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.08
CY2021Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2037000
CY2020Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.08
CY2020Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2033000
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.08
CY2021Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2058000
CY2020Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.08
CY2020Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2049000
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.08
CY2021Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2050000
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.08
CY2020Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2040000
CY2021Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.08
CY2021Q4	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	1994000
CY2020Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.08
CY2020Q4	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	2035000
CY2021Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	4492514
CY2020Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	3656938
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	4900000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	213521000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	71100000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	39985000
CY2019	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	22000
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	213521000
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	71100000
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	39963000
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25471939
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25410232
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25535529
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	8.38
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.80
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.56
CY2021	us-gaap	Net Income Loss NetIncomeLoss	213521000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	71100000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	39985000
CY2019	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Diluted ParticipatingSecuritiesDistributedAndUndistributedEarningsLossDiluted	21000
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	213521000
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	71100000
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	39964000
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25471939
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25410232
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	25535529
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1300187
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1012291
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	914526
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26772126
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26422523
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26450055
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.98
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.69
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.51
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3980067000
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2940163000
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2988310000
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	3699081000
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	2841885000
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	2924540000
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	280986000
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	26514000
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	3699081000
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	98278000
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	63770000
CY2021	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	1275000
CY2020	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	3616000
CY2019	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	6453000
CY2021	us-gaap	Interest And Debt Expense InterestAndDebtExpense	8904000
CY2020	us-gaap	Interest And Debt Expense InterestAndDebtExpense	11697000
CY2019	us-gaap	Interest And Debt Expense InterestAndDebtExpense	11467000
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3797000
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2299000
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-7285000
CY2021	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-3832000
CY2020	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-5782000
CY2019	arcb	Nonoperating Income Expense And Interest And Debt Expense NonoperatingIncomeExpenseAndInterestAndDebtExpense	-12299000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	277154000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	92496000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	51471000
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3980067000
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2940163000
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2988310000
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3980067000
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2940163000
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2988310000
CY2021	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	118112000
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	105051000
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	160684000
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	124221000
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	118391000
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	112466000
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	32800000
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	25600000
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1550859000
CY2020	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1368588000
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1408409000
CY2021	arcb	Rents Purchased Transportation Other Costs Of Services RentsPurchasedTransportationOtherCostsOfServices	1570050000
CY2020	arcb	Rents Purchased Transportation Other Costs Of Services RentsPurchasedTransportationOtherCostsOfServices	974835000
CY2019	arcb	Rents Purchased Transportation Other Costs Of Services RentsPurchasedTransportationOtherCostsOfServices	934958000
CY2021	arcb	Fuel Supplies And Expenses FuelSuppliesAndExpenses	324380000
CY2020	arcb	Fuel Supplies And Expenses FuelSuppliesAndExpenses	250221000
CY2019	arcb	Fuel Supplies And Expenses FuelSuppliesAndExpenses	316047000
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	124221000
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	118391000
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	112466000
CY2021	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	129571000
CY2020	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	129850000
CY2019	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	126146000
CY2020	us-gaap	Costs And Expenses CostsAndExpenses	2841885000
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	2924540000

Files In Submission

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$ARCB
ARCBEST CORP /DE/ Stock $arcb

2021 Q4 Form 10-K Financial Statement

#000155837022002184 Filed on February 25, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ARCB ARCBEST CORP /DE/ Stock $arcb

2021 Q4 Form 10-K Financial Statement

#000155837022002184 Filed on February 25, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ARCB
ARCBEST CORP /DE/ Stock $arcb