$IESC
IES Holdings, Inc. Stock $iesc

$iesc Overview Financials Valuation SEC Filings Company Website

2018 Q3 Form 10-K Financial Statement

#000104826819000007 Filed on December 06, 2019

Income Statement

Concept	2018 Q3	2018 Q2	2018 Q1
Revenue	$240.3M	$232.6M	$205.7M
YoY Change	16.31%	11.64%	0.99%
Cost Of Revenue	$199.8M	$190.0M	$171.8M
YoY Change	18.58%	9.91%	-0.01%
Gross Profit	$40.52M	$42.54M	$33.84M
YoY Change	6.34%	20.17%	6.37%
Gross Profit Margin	16.86%	18.29%	16.45%
Selling, General & Admin	$31.80M	$32.37M	$29.65M
YoY Change	1.6%	5.1%	-1.57%
% of Gross Profit	78.48%	76.1%	87.61%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$2.150M	$2.437M	$2.061M
YoY Change	-21.82%	-2.75%	-11.13%
% of Gross Profit	5.31%	5.73%	6.09%
Operating Expenses	$31.70M	$32.37M	$29.65M
YoY Change	1.93%	5.1%	-1.57%
Operating Profit	$8.821M	$10.09M	$4.142M
YoY Change	25.94%	119.42%	156.15%
Interest Expense	-$500.0K	$513.0K	$473.0K
YoY Change	25.0%	-228.25%	10.51%
% of Operating Profit	-5.67%	5.08%	11.42%
Other Income/Expense, Net	$100.0K	$111.0K	$0.00
YoY Change	0.0%
Pretax Income	$8.300M	$9.687M	$3.712M
YoY Change	23.88%	120.16%	201.05%
Income Tax	$3.700M	$1.038M	$1.425M
% Of Pretax Income	44.58%	10.72%	38.39%
Net Earnings	$4.675M	$8.516M	$2.221M
YoY Change	48.6%	45.13%	314.37%
Net Earnings / Revenue	1.95%	3.66%	1.08%
Basic Earnings Per Share	$0.22	$0.40	$0.11
Diluted Earnings Per Share	$0.22	$0.40	$0.11
COMMON SHARES
Basic Shares Outstanding	21.21M shares	21.20M shares	21.18M shares
Diluted Shares Outstanding		21.33M shares	21.44M shares

Balance Sheet

Concept	2018 Q3	2018 Q2	2018 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$26.20M	$21.70M	$35.70M
YoY Change	-7.42%	-9.21%	71.63%
Cash & Equivalents	$26.25M	$21.69M	$35.71M
Short-Term Investments
Other Short-Term Assets	$8.100M	$8.800M	$9.500M
YoY Change	-7.95%	87.23%	53.23%
Inventory	$20.97M	$41.30M	$17.59M
Prepaid Expenses
Receivables	$151.6M	$162.2M	$127.9M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$262.7M	$234.0M	$226.6M
YoY Change	13.35%	4.57%	5.25%
LONG-TERM ASSETS
Property, Plant & Equipment	$25.36M	$25.20M	$25.06M
YoY Change	2.93%	2.26%	2.58%
Goodwill	$50.70M		$46.74M
YoY Change	8.59%		7.48%
Intangibles	$30.59M		$29.52M
YoY Change	-2.62%		-4.91%
Long-Term Investments
YoY Change
Other Assets	$6.065M	$55.70M	$6.106M
YoY Change	60.36%	1565.17%	81.35%
Total Long-Term Assets	$159.3M	$162.0M	$158.4M
YoY Change	-17.35%	-16.25%	-17.8%
TOTAL ASSETS
Total Short-Term Assets	$262.7M	$234.0M	$226.6M
Total Long-Term Assets	$159.3M	$162.0M	$158.4M
Total Assets	$422.0M	$396.0M	$385.0M
YoY Change	-0.59%	-5.08%	-5.63%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$130.6M	$117.4M	$111.6M
YoY Change	8.2%	1.03%	-2.62%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$164.4M	$143.2M	$139.4M
YoY Change	9.15%	-2.53%	-0.6%
LONG-TERM LIABILITIES
Long-Term Debt	$29.56M	$29.60M	$29.57M
YoY Change	0.44%	0.66%	0.66%
Other Long-Term Liabilities	$4.374M	$4.400M	$4.639M
YoY Change	-1.86%	-0.74%	-37.43%
Total Long-Term Liabilities	$33.94M	$34.00M	$34.21M
YoY Change	0.14%	0.47%	-7.02%
TOTAL LIABILITIES
Total Short-Term Liabilities	$164.4M	$143.2M	$139.4M
Total Long-Term Liabilities	$33.94M	$34.00M	$34.21M
Total Liabilities	$198.4M	$180.5M	$173.6M
YoY Change	7.5%	-0.14%	-1.93%
SHAREHOLDERS EQUITY
Retained Earnings	$32.31M		$19.12M
YoY Change	-30.4%		-48.95%
Common Stock	$220.0K		$220.0K
YoY Change	0.0%		0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$8.937M		$8.108M
YoY Change	29.56%		73.77%
Treasury Stock Shares	844.0K shares		790.4K shares
Shareholders Equity	$220.4M	$215.5M	$208.1M
YoY Change
Total Liabilities & Shareholders Equity	$422.0M	$396.0M	$385.0M
YoY Change	-0.59%	-5.07%	-5.63%

Cashflow Statement

Concept	2018 Q3	2018 Q2	2018 Q1
OPERATING ACTIVITIES
Net Income	$4.675M	$8.516M	$2.221M
YoY Change	48.6%	45.13%	314.37%
Depreciation, Depletion And Amortization	$2.150M	$2.437M	$2.061M
YoY Change	-21.82%	-2.75%	-11.13%
Cash From Operating Activities	$7.240M	-$6.180M	$6.170M
YoY Change	-40.41%	-181.96%	-25.66%
INVESTING ACTIVITIES
Capital Expenditures	-$1.180M	-$1.050M	-$1.130M
YoY Change	49.37%	15.38%	3.67%
Acquisitions
YoY Change
Other Investing Activities	-$1.430M	-$5.790M	$80.00K
YoY Change	-74.09%	108.27%	-100.69%
Cash From Investing Activities	-$2.600M	-$6.850M	-$1.050M
YoY Change	-58.8%	85.64%	-91.76%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-90.00K	-990.0K	-1.300M
YoY Change	-93.79%	23.75%	140.74%
NET CHANGE
Cash From Operating Activities	7.240M	-6.180M	6.170M
Cash From Investing Activities	-2.600M	-6.850M	-1.050M
Cash From Financing Activities	-90.00K	-990.0K	-1.300M
Net Change In Cash	4.550M	-14.02M	3.820M
YoY Change	3.64%	-559.67%	-176.71%
FREE CASH FLOW
Cash From Operating Activities	$7.240M	-$6.180M	$6.170M
Capital Expenditures	-$1.180M	-$1.050M	-$1.130M
Free Cash Flow	$8.420M	-$5.130M	$7.300M
YoY Change	-34.93%	-160.71%	-22.26%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
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CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	76-0542208
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	Houston
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	5433 Westheimer Road
CY2019	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 500
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CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Entity File Number EntityFileNumber	001-13783
CY2019	dei	Entity Registrant Name EntityRegistrantName	IES Holdings, Inc.
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
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CY2019	dei	City Area Code CityAreaCode	713
CY2019	dei	Local Phone Number LocalPhoneNumber	860-1500
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CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	246248000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	33478000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	-13803000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	13594000	USD
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	552000	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	421000	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	296000	USD
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	318000	USD
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	288000	USD
CY2017	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	294000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	9557000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	8860000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	9634000	USD
CY2019	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-52000	USD
CY2018	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	15000	USD
CY2017	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	69000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	2357000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	-136000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	1707000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5681000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	38151000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	6899000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	35254000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	7574000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	7621000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	684000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	3970000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1856000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-1586000	USD
CY2018	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	17840000	USD
CY2018	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	2250000	USD
CY2017	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	6798000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	22349000	USD
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	6300000	USD
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	4563000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	12224000	USD
CY2019	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	444000	USD
CY2018	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-274000	USD
CY2017	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	510000	USD
CY2019	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	22472000	USD
CY2018	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	6584000	USD
CY2017	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	-2829000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	6683000	USD
CY2018	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	3570000	USD
CY2017	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	5898000	USD
CY2019	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-459000	USD
CY2018	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-336000	USD
CY2017	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	1139000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	38724000	USD
CY2017	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	4589000	USD
CY2019	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	502000	USD
CY2018	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	108000	USD
CY2017	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	270000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-50000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	7406000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	20213000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-5748000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-11861000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-24532000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	89261000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	168000	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	5434000	USD
CY2019	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	119508000	USD
CY2018	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	177000	USD
CY2017	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	5432000	USD
CY2019	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	0	USD
CY2018	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	0	USD
CY2017	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	448000	USD
CY2019	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	-240000	USD
CY2018	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	-349000	USD
CY2017	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	-153000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	9802000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2059000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2367000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	11000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	218000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-40289000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2406000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2748000	USD
CY2019	us-gaap	Cash And Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashAndCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-7313000	USD
CY2018	us-gaap	Cash And Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashAndCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-2043000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashAndCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-4931000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	26247000	USD
CY2017Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	28290000	USD
CY2016Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	33221000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	18934000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	26247000	USD
CY2017Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	28290000	USD
CY2019	us-gaap	Interest Paid InterestPaid	1743000	USD
CY2018	us-gaap	Interest Paid InterestPaid	1684000	USD
CY2017	us-gaap	Interest Paid InterestPaid	1521000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1370000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2839000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2429000	USD
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	318000	USD
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	288000	USD
CY2017	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	294000	USD
CY2019Q3	us-gaap	Deferred Finance Costs Noncurrent Net DeferredFinanceCostsNoncurrentNet	782000	USD
CY2018Q3	us-gaap	Deferred Finance Costs Noncurrent Net DeferredFinanceCostsNoncurrentNet	912000	USD
CY2019Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1184000	USD
CY2018Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	868000	USD
CY2019Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	40874000	USD
CY2019	us-gaap	Loss Contingency Undiscounted Amount Of Insurance Related Assessment Liability LossContingencyUndiscountedAmountOfInsuranceRelatedAssessmentLiability	4975000	USD
CY2018	us-gaap	Loss Contingency Undiscounted Amount Of Insurance Related Assessment Liability LossContingencyUndiscountedAmountOfInsuranceRelatedAssessmentLiability	5286000	USD
CY2019	iesc	Loss Contingency Undiscounted First Year LossContingencyUndiscountedFirstYear	1422000	USD
CY2019	iesc	Loss Contingency Undiscounted Second Year LossContingencyUndiscountedSecondYear	1065000	USD
CY2019	iesc	Loss Contingency Undiscounted Third Year LossContingencyUndiscountedThirdYear	727000	USD
CY2019	iesc	Loss Contingency Undiscounted Fourth Year LossContingencyUndiscountedFourthYear	504000	USD
CY2019	iesc	Loss Contingency Undiscounted Fifth Year LossContingencyUndiscountedFifthYear	290000	USD
CY2019	iesc	Loss Contingency Undiscountedafter Fifth Year LossContingencyUndiscountedafterFifthYear	967000	USD
CY2019	us-gaap	Loss Contingency Undiscounted Amount Of Insurance Related Assessment Liability LossContingencyUndiscountedAmountOfInsuranceRelatedAssessmentLiability	4975000	USD
CY2019Q3	us-gaap	Loss Contingency Accrual Insurance Related Assessment Discount Rate LossContingencyAccrualInsuranceRelatedAssessmentDiscountRate	0.016
CY2018Q3	us-gaap	Loss Contingency Accrual Insurance Related Assessment Discount Rate LossContingencyAccrualInsuranceRelatedAssessmentDiscountRate	0.029
CY2019Q3	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	6683000	USD
CY2018Q3	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	6202000	USD
CY2019Q3	us-gaap	Minority Interest Ownership Percentage By Parent MinorityInterestOwnershipPercentageByParent	0.80
CY2019Q3	us-gaap	Minority Interest Ownership Percentage By Noncontrolling Owners MinorityInterestOwnershipPercentageByNoncontrollingOwners	0.20
CY2019Q3	us-gaap	Redeemable Noncontrolling Interest Equity Redemption Value RedeemableNoncontrollingInterestEquityRedemptionValue	3294000	USD
CY2018	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	44000	USD
CY2019	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification	35000000	USD
CY2019Q3	iesc	Controlling Shareholder Ownership Percentage ControllingShareholderOwnershipPercentage	0.58
CY2019	us-gaap	Related Party Transaction Purchases From Related Party RelatedPartyTransactionPurchasesFromRelatedParty	8000	USD
CY2019Q3	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	86000	USD
CY2019	us-gaap	Revenues Revenues	1076996000	USD
CY2018	us-gaap	Revenues Revenues	876828000	USD
CY2017	us-gaap	Revenues Revenues	810744000	USD
CY2019	us-gaap	Revenues Revenues	1076996000	USD
CY2018	us-gaap	Revenues Revenues	876828000	USD
CY2017	us-gaap	Revenues Revenues	810744000	USD
CY2019Q3	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	11329000	USD
CY2019Q3	iesc	Estimatedprofitsoncontractsinprocess Estimatedprofitsoncontractsinprocess	761401000	USD
CY2018Q3	iesc	Estimatedprofitsoncontractsinprocess Estimatedprofitsoncontractsinprocess	539226000	USD
CY2019Q3	iesc	Billingsto Date BillingstoDate	772104000	USD
CY2018Q3	iesc	Billingsto Date BillingstoDate	541606000	USD
CY2019Q3	iesc	Contract Asset Liability Net ContractAssetLiabilityNet	-10703000	USD
CY2018Q3	iesc	Contract Asset Liability Net ContractAssetLiabilityNet	-2380000	USD
CY2019Q3	us-gaap	Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear	29860000	USD
CY2018Q3	us-gaap	Costs In Excess Of Billings On Uncompleted Contracts Or Programs Expected To Be Collected Within One Year CostsInExcessOfBillingsOnUncompletedContractsOrProgramsExpectedToBeCollectedWithinOneYear	31446000	USD
CY2019Q3	us-gaap	Billings In Excess Of Cost Current BillingsInExcessOfCostCurrent	40563000	USD
CY2018Q3	us-gaap	Billings In Excess Of Cost Current BillingsInExcessOfCostCurrent	33826000	USD
CY2019Q3	iesc	Contract Asset Liability Net ContractAssetLiabilityNet	-10703000	USD
CY2018Q3	iesc	Contract Asset Liability Net ContractAssetLiabilityNet	-2380000	USD
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	31831000	USD
CY2018	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	31135000	USD
CY2019Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	451884000	USD
CY2019Q3	iesc	Performance Obligation Next12 Months PerformanceObligationNext12Months	391769000	USD
CY2019Q3	us-gaap	Land Land	1436000	USD
CY2018Q3	us-gaap	Land Land	1348000	USD
CY2019Q3	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	13608000	USD
CY2018Q3	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	12479000	USD
CY2019Q3	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	30600000	USD
CY2018Q3	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	27443000	USD
CY2019Q3	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	7945000	USD
CY2018Q3	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	7854000	USD
CY2019Q3	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	1587000	USD
CY2018Q3	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	1579000	USD
CY2019Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	55176000	USD
CY2018Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	50703000	USD
CY2019Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	29560000	USD
CY2018Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	25613000	USD
CY2019Q3	us-gaap	Construction In Progress Gross ConstructionInProgressGross	130000	USD
CY2018Q3	us-gaap	Construction In Progress Gross ConstructionInProgressGross	274000	USD
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21196388	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21533254	shares
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.56
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.67
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.62
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.55
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.67
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.62
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	301879	shares
CY2019Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	25746000	USD
CY2018Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	25364000	USD
CY2019	us-gaap	Depreciation Depreciation	5607000	USD
CY2018	us-gaap	Depreciation Depreciation	4759000	USD
CY2017	us-gaap	Depreciation Depreciation	3840000	USD
CY2019	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Basic UndistributedEarningsLossAvailableToCommonShareholdersBasic	32950000	USD
CY2018	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Basic UndistributedEarningsLossAvailableToCommonShareholdersBasic	-14113000	USD
CY2017	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Basic UndistributedEarningsLossAvailableToCommonShareholdersBasic	13275000	USD
CY2018	us-gaap	Minority Interest Period Increase Decrease MinorityInterestPeriodIncreaseDecrease	-44000	USD
CY2017	us-gaap	Minority Interest Period Increase Decrease MinorityInterestPeriodIncreaseDecrease	44000	USD
CY2019	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	256000	USD
CY2017	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	103000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	33206000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-14157000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	13422000	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21082012	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21196388	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21280549	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	233233	shares
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	252705	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21315245	shares
CY2018Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	868000	USD
CY2017Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	650000	USD
CY2019	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	552000	USD
CY2018	us-gaap	Allowance For Doubtful Accounts Receivable Period Increase Decrease AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease	515000	USD
CY2019	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	236000	USD
CY2018	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	297000	USD
CY2019Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	1184000	USD
CY2018Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	868000	USD
CY2019Q3	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	85276000	USD
CY2018Q3	us-gaap	Accounts Payable Trade Current AccountsPayableTradeCurrent	75293000	USD
CY2019Q3	us-gaap	Accrued Salaries Current And Noncurrent AccruedSalariesCurrentAndNoncurrent	42828000	USD
CY2018Q3	us-gaap	Accrued Salaries Current And Noncurrent AccruedSalariesCurrentAndNoncurrent	34058000	USD
CY2019Q3	us-gaap	Accrued Insurance Current And Noncurrent AccruedInsuranceCurrentAndNoncurrent	6683000	USD
CY2018Q3	us-gaap	Accrued Insurance Current And Noncurrent AccruedInsuranceCurrentAndNoncurrent	6202000	USD
CY2019Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	18122000	USD
CY2018Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	15038000	USD
CY2019Q3	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	152909000	USD
CY2018Q3	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	130591000	USD
CY2019Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	763000	USD
CY2018Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	747000	USD
CY2019Q3	us-gaap	Investments Investments	408000	USD
CY2018Q3	us-gaap	Investments Investments	558000	USD
CY2019Q3	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	3767000	USD
CY2018Q3	us-gaap	Other Assets Miscellaneous Noncurrent OtherAssetsMiscellaneousNoncurrent	4760000	USD
CY2019Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	4938000	USD
CY2018Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	6065000	USD
CY2019Q3	us-gaap	Long Term Loans From Bank LongTermLoansFromBank	0	USD
CY2018Q3	us-gaap	Long Term Loans From Bank LongTermLoansFromBank	30247000	USD
CY2018Q3	us-gaap	Deferred Finance Costs Noncurrent Net DeferredFinanceCostsNoncurrentNet	912000	USD
CY2019Q3	us-gaap	Other Long Term Debt Noncurrent OtherLongTermDebtNoncurrent	299000	USD
CY2018Q3	us-gaap	Other Long Term Debt Noncurrent OtherLongTermDebtNoncurrent	229000	USD
CY2019Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	299000	USD
CY2018Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	29564000	USD
CY2019Q3	us-gaap	Deferred Finance Costs Noncurrent Net DeferredFinanceCostsNoncurrentNet	782000	USD
CY2019Q3	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	6468000	USD
CY2019Q3	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	93532000	USD
CY2018Q3	us-gaap	Line Of Credit Facility Interest Rate At Period End LineOfCreditFacilityInterestRateAtPeriodEnd	0.0425
CY2019	us-gaap	Interest Expense Debt InterestExpenseDebt	1857000	USD
CY2018	us-gaap	Interest Expense Debt InterestExpenseDebt	1946000	USD
CY2017	us-gaap	Interest Expense Debt InterestExpenseDebt	1702000	USD
CY2019Q3	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	100000000	USD
CY2019Q2	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	1000000.0	shares
CY2019Q2	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	25000000	USD
CY2019Q3	iesc	Liquidity Liquidity	112467000	USD
CY2019Q3	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	93532000	USD
CY2019Q3	iesc	Fixed Charge Coverage Ratio FixedChargeCoverageRatio	4.7
CY2019	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	10553000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	7680000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	6990000	USD
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	8101000	USD
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Receivable In Two Years OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears	6235000	USD
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Receivable In Three Years OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears	4750000	USD
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Receivable In Four Years OperatingLeasesFutureMinimumPaymentsReceivableInFourYears	3139000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	1241000	USD
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	27950000	USD
CY2019	iesc	Minimumpaymentsforleasesnotyetcommenced Minimumpaymentsforleasesnotyetcommenced	1964000	USD
CY2019Q3	us-gaap	Other Commitment OtherCommitment	2422000	USD
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Receivable In Five Years OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears	2130000	USD
CY2019Q3	us-gaap	Operating Leases Future Minimum Payments Receivable Thereafter OperatingLeasesFutureMinimumPaymentsReceivableThereafter	3595000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-1330000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-2345000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-3092000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	5908000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	38744000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	6384000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2312000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1536000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1432000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-227000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	216000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	487000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6663000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	38151000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5211000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	8430000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	5973000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	6582000	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	1277000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	1173000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2009000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1193000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1003000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	1761000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	142000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	31333000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	0	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	183000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	17000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	556000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	238000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	207000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-83000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-3967000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-1908000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Contingencies IncomeTaxReconciliationTaxContingencies	-3499000	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Settlements State And Local IncomeTaxReconciliationTaxSettlementsStateAndLocal	0	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Settlements State And Local IncomeTaxReconciliationTaxSettlementsStateAndLocal	-1387000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Settlements State And Local IncomeTaxReconciliationTaxSettlementsStateAndLocal	0	USD
CY2019	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-447000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	0	USD
CY2017	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	0	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6663000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	38151000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5211000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.2453
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2019Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	245000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	207000	USD
CY2019Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	9783000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	8054000	USD
CY2019Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	39045000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	46881000	USD
CY2019Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	1396000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	1172000	USD
CY2019Q3	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	119000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	119000	USD
CY2019Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	672000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	665000	USD
CY2019Q3	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	74000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	94000	USD
CY2019Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1137000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	712000	USD
CY2019Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	52471000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	57904000	USD
CY2019Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	4044000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	4127000	USD
CY2019Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	48427000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	53777000	USD
CY2019Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	840000	USD
CY2018Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1122000	USD
CY2019Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	5978000	USD
CY2018Q3	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	5499000	USD
CY2019Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	735000	USD
CY2018Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	576000	USD
CY2019Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	7553000	USD
CY2018Q3	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	7197000	USD
CY2019Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	40874000	USD
CY2018Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	46580000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-83000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	1761000	USD
CY2019Q3	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	306324000	USD
CY2019Q3	iesc	Operating Loss Carryforwards Attributable To Goodwill Amortization OperatingLossCarryforwardsAttributableToGoodwillAmortization	143577000	USD
CY2019Q3	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	94007000	USD
CY2019Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	40874000	USD
CY2019Q3	iesc	Reorganization Of Goodwill Excess Tax Basis ReorganizationOfGoodwillExcessTaxBasis	23050000	USD
CY2018Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	30256000	USD
CY2017Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	51968000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	93000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	13000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	19000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	272000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	4074000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	3361000	USD
CY2019	iesc	Unrecognizedtaxbenefitsreductionsratechange Unrecognizedtaxbenefitsreductionsratechange	0	USD
CY2018	iesc	Unrecognizedtaxbenefitsreductionsratechange Unrecognizedtaxbenefitsreductionsratechange	18636000	USD
CY2019Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	26294000	USD
CY2018Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	30256000	USD
CY2019Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	26294000	USD
CY2018Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	30256000	USD
CY2019Q3	us-gaap	Increase In Unrecognized Tax Benefits Is Reasonably Possible IncreaseInUnrecognizedTaxBenefitsIsReasonablyPossible	1573000	USD
CY2019Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	43000	USD
CY2018Q3	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	35000	USD
CY2019	us-gaap	Revenues Revenues	1076996000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	894893000	USD
CY2019	us-gaap	Gross Profit GrossProfit	182103000	USD
CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	140575000	USD
CY2019	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	-374000	USD
CY2019	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-52000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	41850000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	9557000	USD
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	6300000	USD
CY2019Q3	us-gaap	Assets Assets	445258000	USD
CY2018	us-gaap	Revenues Revenues	876828000	USD
CY2018	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	726866000	USD
CY2018	us-gaap	Gross Profit GrossProfit	149962000	USD
CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	123920000	USD
CY2018	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	103000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	8860000	USD
CY2018	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	15000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	25954000	USD
CY2018	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	100627	shares
CY2018	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	100627	shares
CY2019Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	3024000	USD
CY2018	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	15.41
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	4563000	USD
CY2018Q3	us-gaap	Assets Assets	421994000	USD
CY2017	us-gaap	Revenues Revenues	810744000	USD
CY2017	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	670246000	USD
CY2017	us-gaap	Gross Profit GrossProfit	140498000	USD
CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	120370000	USD
CY2017	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	-145000	USD
CY2017	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	69000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	20342000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	9634000	USD
CY2017	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	4589000	USD
CY2017Q3	us-gaap	Assets Assets	424494000	USD
CY2019Q3	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	824676	shares
CY2019Q3	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	1500000	shares
CY2019Q2	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	1000000.0	shares
CY2019	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	467819	shares
CY2019	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	17.34
CY2019	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	97003	shares
CY2019Q3	us-gaap	Shares Issued SharesIssued	22500	shares
CY2018	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	32832	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	140668	shares
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	174334	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Granted ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted	283195	shares
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	140668	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	31409	shares
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	2257	shares
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	283195	shares
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	0	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	140668	shares
CY2019	us-gaap	Restricted Stock Expense RestrictedStockExpense	3800000	USD
CY2018Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	292000	USD
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	79500	shares
CY2016Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.43
CY2017	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	33750	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	6.46
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	45750	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.42
CY2018	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1500	shares
CY2018	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	7.21
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	44250	shares
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.39
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	22500	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	6.43
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	21750	shares
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.35
CY2019Q3	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	21750	shares
CY2019Q3	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	6.35
CY2019Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	254000	USD
CY2019	us-gaap	Related Party Transaction Purchases From Related Party RelatedPartyTransactionPurchasesFromRelatedParty	8000	USD
CY2019	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	42000	USD
CY2018Q4	us-gaap	Defined Benefit Plan Funded Percentage DefinedBenefitPlanFundedPercentage	0.8327
CY2019Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	763000	USD
CY2019Q3	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	646000	USD
CY2019Q3	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	11000	USD
CY2019Q3	us-gaap	Fair Value Net Asset Liability FairValueNetAssetLiability	106000	USD
CY2018Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	747000	USD
CY2018Q3	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	631000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2144000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1895000	USD
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1157000	USD
CY2019Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	738000	USD
CY2018Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	755000	USD
CY2018Q3	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	680000	USD
CY2018Q3	us-gaap	Fair Value Net Asset Liability FairValueNetAssetLiability	-564000	USD
CY2019Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	11000	USD
CY2018Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	680000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	-295000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	-374000	USD
CY2019Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	11000	USD
CY2019Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	4104000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3950000	USD
CY2018Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	4453000	USD
CY2019Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	6301000	USD
CY2018Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	5168000	USD
CY2019Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	1861000	USD
CY2018Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	1746000	USD
CY2019Q3	us-gaap	Other Inventory OtherInventory	9277000	USD
CY2018Q3	us-gaap	Other Inventory OtherInventory	9599000	USD
CY2019Q3	us-gaap	Inventory Net InventoryNet	21543000	USD
CY2018Q3	us-gaap	Inventory Net InventoryNet	20966000	USD
CY2017Q3	us-gaap	Goodwill Goodwill	46693000	USD
CY2018	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	4240000	USD
CY2018	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	-231000	USD
CY2018Q3	us-gaap	Goodwill Goodwill	50702000	USD
CY2019	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	119000	USD
CY2019	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	39000	USD
CY2019Q3	us-gaap	Goodwill Goodwill	50622000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	39662000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	13039000	USD
CY2019Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	26623000	USD
CY2018Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	41625000	USD
CY2018Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	11035000	USD
CY2018Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	30590000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4101000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5766000	USD
CY2019	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P9Y3M18D
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	3222000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	3249000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	3422000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	2785000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	2240000	USD
CY2019Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	11705000	USD
CY2019Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	26623000	USD
CY2019Q3	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	6683000	USD
CY2018Q3	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	6202000	USD
CY2019Q3	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	90000	USD
CY2018Q3	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	171000	USD
CY2019Q3	iesc	Estimatedcostofcompletionofbondedproject Estimatedcostofcompletionofbondedproject	88698000	USD
CY2018	us-gaap	Business Combination Consideration Transferred1 BusinessCombinationConsiderationTransferred1	7413000	USD
CY2018	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	7091000	USD
CY2019	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	125000	USD
CY2017	us-gaap	Business Combination Consideration Transferred Liabilities Incurred BusinessCombinationConsiderationTransferredLiabilitiesIncurred	15000	USD
CY2018Q3	us-gaap	Business Combination Contingent Consideration Liability Current BusinessCombinationContingentConsiderationLiabilityCurrent	182000	USD
CY2018Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets	1767000	USD
CY2018Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Property Plant And Equipment BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment	590000	USD
CY2019Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangible Assets Other Than Goodwill BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill	3182000	USD
CY2018Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Net BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet	4164000	USD
CY2019Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities	1580000	USD
CY2018Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Noncurrent Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilities	14000	USD
CY2018Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deferred Tax Liabilities Current BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesCurrent	696000	USD
CY2018Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Less Noncontrolling Interest BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest	7413000	USD
CY2018Q3	us-gaap	Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Net BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet	4164000	USD
CY2019Q3	us-gaap	Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Amount BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount	1448000	USD
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.46
CY2017Q4	us-gaap	Revenues Revenues	198300000	USD
CY2018Q1	us-gaap	Revenues Revenues	205677000	USD
CY2019Q2	us-gaap	Gross Profit GrossProfit	46397000	USD
CY2019Q3	us-gaap	Gross Profit GrossProfit	50870000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	6884000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	5489000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	10972000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	9861000	USD
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.32
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.32
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.26
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.26
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.52
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.47
CY2019Q2	us-gaap	Revenues Revenues	282633000	USD
CY2019Q3	us-gaap	Revenues Revenues	293607000	USD
CY2018Q4	us-gaap	Gross Profit GrossProfit	41601000	USD
CY2019Q1	us-gaap	Gross Profit GrossProfit	43235000	USD
CY2018Q4	us-gaap	Revenues Revenues	243842000	USD
CY2019Q1	us-gaap	Revenues Revenues	256914000	USD
CY2018Q2	us-gaap	Revenues Revenues	232576000	USD
CY2018Q3	us-gaap	Revenues Revenues	240275000	USD
CY2017Q4	us-gaap	Gross Profit GrossProfit	33064000	USD
CY2018Q1	us-gaap	Gross Profit GrossProfit	33840000	USD
CY2018Q2	us-gaap	Gross Profit GrossProfit	42537000	USD
CY2018Q3	us-gaap	Gross Profit GrossProfit	40521000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	-29569000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	2221000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	8516000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	4675000	USD
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.39
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.11
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.40
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.22
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.39
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.11
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.22

Files In Submission

Name	View Source	Status
0001048268-19-000007-index-headers.html	Edgar Link	pending
0001048268-19-000007-index.html	Edgar Link	pending
0001048268-19-000007.txt	Edgar Link	pending
0001048268-19-000007-xbrl.zip	Edgar Link	pending
a201910-k.htm	Edgar Link	pending
a201910-k_htm.xml	Edgar Link	completed
chart-37c63d898e4a16f4912.jpg	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
iesc-20190930.xsd	Edgar Link	pending
iesc-20190930_cal.xml	Edgar Link	unprocessable
iesc-20190930_def.xml	Edgar Link	unprocessable
iesc-20190930_lab.xml	Edgar Link	unprocessable
iesc-20190930_pre.xml	Edgar Link	unprocessable
logo201910k.gif	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
q42019ex1020.htm	Edgar Link	pending
q42019ex211.htm	Edgar Link	pending
q42019ex231.htm	Edgar Link	pending
q42019ex311.htm	Edgar Link	pending
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$IESC
IES Holdings, Inc. Stock $iesc

2018 Q3 Form 10-K Financial Statement

#000104826819000007 Filed on December 06, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IESC IES Holdings, Inc. Stock $iesc

2018 Q3 Form 10-K Financial Statement

#000104826819000007 Filed on December 06, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IESC
IES Holdings, Inc. Stock $iesc