$IESC
IES Holdings, Inc. Stock $iesc

$iesc Overview Financials Valuation SEC Filings Company Website

2021 Q3 Form 10-Q Financial Statement

#000104826821000134 Filed on August 05, 2021

Income Statement

Concept	2021 Q3	2021 Q2	2020 Q3
Revenue	$483.8M	$405.9M	$330.4M
YoY Change	46.43%	38.46%	12.54%
Cost Of Revenue	$392.2M	$333.0M	$262.3M
YoY Change	49.53%	41.84%	8.08%
Gross Profit	$91.62M	$72.83M	$68.16M
YoY Change	34.41%	24.88%	33.99%
Gross Profit Margin	18.94%	17.94%	20.63%
Selling, General & Admin	$61.47M	$50.34M	$46.70M
YoY Change	31.62%	13.74%	25.88%
% of Gross Profit	67.09%	69.12%	68.52%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$6.004M	$6.062M	$3.710M
YoY Change	61.83%	89.44%	57.2%
% of Gross Profit	6.55%	8.32%	5.44%
Operating Expenses	$61.54M	$50.34M	$46.70M
YoY Change	31.77%	13.74%	26.22%
Operating Profit	$30.08M	$22.45M	$21.46M
YoY Change	40.16%	59.65%	54.72%
Interest Expense	-$325.0K	$240.0K	-$100.0K
YoY Change	225.0%	-10.78%	-66.67%
% of Operating Profit	-1.08%	1.07%	-0.47%
Other Income/Expense, Net	$38.00K	$79.00K	$300.0K
YoY Change	-87.33%	-65.95%
Pretax Income	$29.82M	$22.29M	$14.60M
YoY Change	104.21%	58.92%	7.35%
Income Tax	$6.341M	$2.640M	$1.100M
% Of Pretax Income	21.27%	11.84%	7.53%
Net Earnings	$22.42M	$19.30M	$14.61M
YoY Change	53.52%	57.43%	48.12%
Net Earnings / Revenue	4.63%	4.76%	4.42%
Basic Earnings Per Share		$0.93	$0.69
Diluted Earnings Per Share	$1.060M	$0.92	$0.68
COMMON SHARES
Basic Shares Outstanding	20.86M shares	20.83M shares	21.05M shares
Diluted Shares Outstanding		21.09M shares

Balance Sheet

Concept	2021 Q3	2021 Q2	2020 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$23.11M	$18.52M	$53.60M
YoY Change	-56.89%	-48.26%	183.6%
Cash & Equivalents	$23.11M	$18.52M	$53.58M
Short-Term Investments
Other Short-Term Assets	$21.07M	$20.17M	$9.200M
YoY Change	128.97%	81.68%	-13.21%
Inventory	$68.57M	$71.56M	$24.89M
Prepaid Expenses
Receivables	$286.7M	$243.9M	$213.0M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$484.2M	$425.2M	$371.5M
YoY Change	30.35%	30.31%	25.3%
LONG-TERM ASSETS
Property, Plant & Equipment	$35.45M	$35.93M	$24.59M
YoY Change	44.19%	42.25%	-4.49%
Goodwill	$92.40M	$92.03M	$53.76M
YoY Change	71.86%	52.15%	6.2%
Intangibles	$85.62M	$89.30M	$39.36M
YoY Change	117.54%	111.65%	47.83%
Long-Term Investments
YoY Change
Other Assets	$7.049M	$6.775M	$5.780M
YoY Change	21.96%	32.09%	17.05%
Total Long-Term Assets	$282.4M	$290.7M	$189.1M
YoY Change	49.38%	46.08%	27.07%
TOTAL ASSETS
Total Short-Term Assets	$484.2M	$425.2M	$371.5M
Total Long-Term Assets	$282.4M	$290.7M	$189.1M
Total Assets	$766.6M	$715.9M	$560.5M
YoY Change	36.77%	36.28%	25.89%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$234.1M	$207.8M	$175.2M
YoY Change	33.62%	33.53%	14.58%
Accrued Expenses	$13.97M	$13.67M	$11.10M
YoY Change	25.88%	26.56%
Deferred Revenue	$62.49M	$67.24M	$55.74M
YoY Change	12.1%	19.69%	37.41%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$1.033M	$832.0K	$400.0K
YoY Change	158.25%	177.33%
Total Short-Term Liabilities	$311.6M	$289.5M	$242.4M
YoY Change	28.52%	29.95%	25.31%
LONG-TERM LIABILITIES
Long-Term Debt	$39.75M	$30.58M	$217.0K
YoY Change	18216.13%	11843.75%	-27.42%
Other Long-Term Liabilities	$16.08M	$15.54M	$12.22M
YoY Change	31.64%	116.73%	528.02%
Total Long-Term Liabilities	$55.83M	$46.12M	$12.43M
YoY Change	349.05%	520.95%	454.01%
TOTAL LIABILITIES
Total Short-Term Liabilities	$311.6M	$289.5M	$242.4M
Total Long-Term Liabilities	$55.83M	$46.12M	$12.43M
Total Liabilities	$396.1M	$364.4M	$275.4M
YoY Change	43.81%	44.68%	40.72%
SHAREHOLDERS EQUITY
Retained Earnings	$173.1M	$150.6M	$107.0M
YoY Change	61.8%	62.68%	63.12%
Common Stock	$220.0K	$220.0K	$220.0K
YoY Change	0.0%	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$29.30M	$23.78M	$24.50M
YoY Change	19.6%	47.24%	96.26%
Treasury Stock Shares	1.317M shares	1.193M shares	1.287M shares
Shareholders Equity	$346.0M	$328.2M	$283.3M
YoY Change
Total Liabilities & Shareholders Equity	$766.6M	$715.9M	$560.5M
YoY Change	36.77%	36.28%	25.89%

Cashflow Statement

Concept	2021 Q3	2021 Q2	2020 Q3
OPERATING ACTIVITIES
Net Income	$22.42M	$19.30M	$14.61M
YoY Change	53.52%	57.43%	48.12%
Depreciation, Depletion And Amortization	$6.004M	$6.062M	$3.710M
YoY Change	61.83%	89.44%	57.2%
Cash From Operating Activities	$2.775M	-$13.21M	$21.14M
YoY Change	-86.87%	-157.74%	14.77%
INVESTING ACTIVITIES
Capital Expenditures	-$2.010M	-$2.391M	-$1.050M
YoY Change	91.43%	198.87%	-7.08%
Acquisitions
YoY Change
Other Investing Activities	$360.0K	-$37.13M	$40.00K
YoY Change	800.0%	-371380.0%	-91.67%
Cash From Investing Activities	-$1.650M	-$39.52M	-$1.000M
YoY Change	65.0%	4902.41%	53.85%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	3.456M	28.92M	-2.400M
YoY Change	-244.0%	-196.23%	-79.92%
NET CHANGE
Cash From Operating Activities	2.775M	-13.21M	21.14M
Cash From Investing Activities	-1.650M	-39.52M	-1.000M
Cash From Financing Activities	3.456M	28.92M	-2.400M
Net Change In Cash	4.581M	-23.81M	17.74M
YoY Change	-74.18%	199.16%	204.81%
FREE CASH FLOW
Cash From Operating Activities	$2.775M	-$13.21M	$21.14M
Capital Expenditures	-$2.010M	-$2.391M	-$1.050M
Free Cash Flow	$4.785M	-$10.82M	$22.19M
YoY Change	-78.44%	-145.69%	13.5%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Document Period End Date DocumentPeriodEndDate	2021-06-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-13783
	dei	Entity Central Index Key EntityCentralIndexKey	0001048268
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--09-30
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Entity Registrant Name EntityRegistrantName	IES Holdings, Inc.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	76-0542208
	dei	Entity Address Address Line1 EntityAddressAddressLine1	5433 Westheimer Road
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	77056
	dei	City Area Code CityAreaCode	713
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 500
	dei	Local Phone Number LocalPhoneNumber	860-1500
	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
	dei	Entity Address City Or Town EntityAddressCityOrTown	Houston
	dei	Security12b Title Security12bTitle	Common Stock, par value $0.01 per share
	dei	Trading Symbol TradingSymbol	IESC
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	true
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2021Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	20856736	shares
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	18524000	USD
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	53577000	USD
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1278000	USD
CY2020Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2613000	USD
CY2021Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	243853000	USD
CY2020Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	213016000	USD
CY2021Q2	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	39159000	USD
CY2020Q3	us-gaap	Accounts And Other Receivables Net Current AccountsAndOtherReceivablesNetCurrent	40878000	USD
CY2021Q2	us-gaap	Inventory Net InventoryNet	71562000	USD
CY2020Q3	us-gaap	Inventory Net InventoryNet	24889000	USD
CY2021Q2	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	31962000	USD
CY2020Q3	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	29937000	USD
CY2021Q2	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	20166000	USD
CY2020Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	9153000	USD
CY2021Q2	us-gaap	Assets Current AssetsCurrent	425226000	USD
CY2020Q3	us-gaap	Assets Current AssetsCurrent	371450000	USD
CY2021Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	35932000	USD
CY2020Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	24589000	USD
CY2021Q2	us-gaap	Goodwill Goodwill	92027000	USD
CY2020Q3	us-gaap	Goodwill Goodwill	53763000	USD
CY2021Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	89301000	USD
CY2020Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	39357000	USD
CY2021Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	23992000	USD
CY2020Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	33803000	USD
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	42677000	USD
CY2020Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	31786000	USD
CY2021Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	6775000	USD
CY2020Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	5780000	USD
CY2021Q2	us-gaap	Assets Assets	715930000	USD
CY2020Q3	us-gaap	Assets Assets	560528000	USD
CY2021Q2	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	222271000	USD
CY2020Q3	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	186710000	USD
CY2021Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	67235000	USD
CY2020Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	55739000	USD
CY2021Q2	us-gaap	Liabilities Current LiabilitiesCurrent	289506000	USD
CY2020Q3	us-gaap	Liabilities Current LiabilitiesCurrent	242449000	USD
CY2021Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	30576000	USD
CY2020Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	217000	USD
CY2021Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	28750000	USD
CY2020Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	20530000	USD
CY2021Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	15542000	USD
CY2020Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	12215000	USD
CY2021Q2	us-gaap	Liabilities Liabilities	364374000	USD
CY2020Q3	us-gaap	Liabilities Liabilities	275411000	USD
CY2021Q2	us-gaap	Minority Interest MinorityInterest	23367000	USD
CY2020Q3	us-gaap	Minority Interest MinorityInterest	1804000	USD
CY2021Q2	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2020Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2020Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2021Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2021Q2	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2020Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2021Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	328189000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	283313000	USD
CY2021Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2020Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	22049529	shares
CY2021Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	22049529	shares
CY2021Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	20856736	shares
CY2020Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	20762395	shares
CY2021Q2	us-gaap	Common Stock Value CommonStockValue	220000	USD
CY2020Q3	us-gaap	Common Stock Value CommonStockValue	220000	USD
CY2021Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	1192793	shares
CY2020Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	1287134	shares
CY2021Q2	us-gaap	Treasury Stock Value TreasuryStockValue	23783000	USD
CY2020Q3	us-gaap	Treasury Stock Value TreasuryStockValue	24499000	USD
CY2021Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	201126000	USD
CY2020Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	200587000	USD
CY2021Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	150626000	USD
CY2020Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	107005000	USD
CY2020Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	44261000	USD
CY2021Q2	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	69000	USD
CY2021Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	715930000	USD
CY2020Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	560528000	USD
CY2021Q2	us-gaap	Revenues Revenues	405871000	USD
CY2020Q2	us-gaap	Revenues Revenues	293125000	USD
CY2021Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	333042000	USD
CY2020Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	234805000	USD
CY2021Q2	us-gaap	Gross Profit GrossProfit	72829000	USD
CY2020Q2	us-gaap	Gross Profit GrossProfit	58320000	USD
CY2021Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	50342000	USD
CY2020Q2	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	0	USD
CY2021Q2	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	32000	USD
CY2020Q2	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	3000	USD
CY2021Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	22450000	USD
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	14062000	USD
CY2021Q2	us-gaap	Interest Expense InterestExpense	240000	USD
CY2020Q2	us-gaap	Interest Expense InterestExpense	269000	USD
CY2021Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	79000	USD
CY2020Q2	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	232000	USD
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	22289000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	14025000	USD
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2640000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1695000	USD
CY2021Q2	us-gaap	Profit Loss ProfitLoss	19649000	USD
CY2020Q2	us-gaap	Profit Loss ProfitLoss	12330000	USD
CY2021Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	348000	USD
CY2020Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	70000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	19301000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	12260000	USD
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.93
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.58
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.92
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.58
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	20829165	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	20728149	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21087779	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	20996732	shares
	us-gaap	Revenues Revenues	1052670000	USD
	us-gaap	Revenues Revenues	860445000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	856288000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	700646000	USD
	us-gaap	Gross Profit GrossProfit	196382000	USD
	us-gaap	Gross Profit GrossProfit	159799000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	140783000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	124169000	USD
	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	142000	USD
	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	0	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	24000	USD
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.11
	us-gaap	Interest Expense InterestExpense	637000	USD
	us-gaap	Interest Expense InterestExpense	828000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	248000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	40000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	55481000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	35670000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-177000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	55092000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	34665000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9890000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7592000	USD
	us-gaap	Profit Loss ProfitLoss	45202000	USD
	us-gaap	Profit Loss ProfitLoss	27073000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	967000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	80000	USD
	us-gaap	Net Income Loss NetIncomeLoss	44235000	USD
	us-gaap	Net Income Loss NetIncomeLoss	26993000	USD
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.28
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.08
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.26
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	20780975	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	20819857	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21066489	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21084267	shares
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	308535000	USD
CY2021Q2	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	795000	USD
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1045000	USD
CY2021Q2	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	-103000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	19301000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	328189000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	257805000	USD
CY2020Q2	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	543000	USD
CY2020Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1159000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2843000	USD
	us-gaap	Net Income Loss NetIncomeLoss	26993000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	12260000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	270681000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	283313000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1490000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2745000	USD
	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	400000	USD
	us-gaap	Net Income Loss NetIncomeLoss	44235000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	328189000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	246248000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	5437000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	34000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	270681000	USD
	us-gaap	Profit Loss ProfitLoss	45202000	USD
	us-gaap	Profit Loss ProfitLoss	27073000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	37000	USD
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1668000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	145000	USD
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	314000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	15910000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	8797000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	24000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	40000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	2745000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	2843000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	6841000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5031000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	10686000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2007000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	33761000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	3275000	USD
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	2025000	USD
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-4551000	USD
	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	6062000	USD
	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	8783000	USD
	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	275000	USD
	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-520000	USD
	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	3964000	USD
	us-gaap	Increase Decrease In Other Accounts Payable And Accrued Liabilities IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities	156000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	11496000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	14402000	USD
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	1642000	USD
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	4345000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	35149000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	55595000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	5391000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	3700000	USD
	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	166000	USD
	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	60000	USD
	us-gaap	Payments To Acquire Businesses And Interest In Affiliates PaymentsToAcquireBusinessesAndInterestInAffiliates	92694000	USD
	us-gaap	Payments To Acquire Businesses And Interest In Affiliates PaymentsToAcquireBusinessesAndInterestInAffiliates	28952000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-97919000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-32592000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	947057000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt And Capital Securities Net ProceedsFromIssuanceOfLongTermDebtAndCapitalSecuritiesNet	592648000	USD
	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	915928000	USD
	us-gaap	Repayments Of Long Term Debt And Capital Securities RepaymentsOfLongTermDebtAndCapitalSecurities	592643000	USD
	us-gaap	Proceeds From Repayments Of Other Long Term Debt ProceedsFromRepaymentsOfOtherLongTermDebt	-423000	USD
	us-gaap	Proceeds From Repayments Of Other Long Term Debt ProceedsFromRepaymentsOfOtherLongTermDebt	-132000	USD
	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	1188000	USD
	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	-311000	USD
	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	-577000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1490000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	5437000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	34000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	27717000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-6107000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-35053000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	16896000	USD
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	53577000	USD
CY2020Q3	us-gaap	Long Term Loans From Bank LongTermLoansFromBank	12000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	18934000	USD
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	18524000	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	35830000	USD
	us-gaap	Interest Paid InterestPaid	460000	USD
	us-gaap	Interest Paid InterestPaid	668000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3473000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	718000	USD
CY2021Q2	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	1188000	USD
CY2021Q2	us-gaap	Redeemable Noncontrolling Interest Equity Redemption Value RedeemableNoncontrollingInterestEquityRedemptionValue	17355000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	70000	USD
CY2021Q2	iesc	Controlling Shareholder Ownership Percentage ControllingShareholderOwnershipPercentage	0.56
CY2021Q2	us-gaap	Related Party Transaction Purchases From Related Party RelatedPartyTransactionPurchasesFromRelatedParty	8000	USD
CY2021Q2	us-gaap	Capitalized Contract Cost Net CapitalizedContractCostNet	100000	USD
CY2021Q2	us-gaap	Revenues Revenues	405871000	USD
CY2021Q2	us-gaap	Other Long Term Debt Noncurrent OtherLongTermDebtNoncurrent	97000	USD
CY2020Q2	us-gaap	Revenues Revenues	293125000	USD
	us-gaap	Revenues Revenues	1052670000	USD
	us-gaap	Revenues Revenues	860445000	USD
CY2021Q2	us-gaap	Revenues Revenues	405871000	USD
CY2020Q2	us-gaap	Revenues Revenues	293125000	USD
	us-gaap	Revenues Revenues	1052670000	USD
	us-gaap	Revenues Revenues	860445000	USD
CY2021Q2	us-gaap	Unbilled Receivables Current UnbilledReceivablesCurrent	18525000	USD
CY2021Q2	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	25851000	USD
CY2020Q2	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	19661000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	41121000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	29692000	USD
CY2021Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	668716000	USD
CY2021Q2	iesc	Performance Obligation Next12 Months PerformanceObligationNext12Months	555454000	USD
CY2021Q2	us-gaap	Long Term Loans From Bank LongTermLoansFromBank	30479000	USD
CY2021Q2	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	64331000	USD
CY2020Q3	us-gaap	Other Long Term Debt Noncurrent OtherLongTermDebtNoncurrent	205000	USD
CY2021Q2	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	4527000	USD
CY2021Q2	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	100000000	USD
CY2021Q2	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Basic UndistributedEarningsLossAvailableToCommonShareholdersBasic	19388000	USD
CY2020Q2	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Basic UndistributedEarningsLossAvailableToCommonShareholdersBasic	12066000	USD
CY2021Q2	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	-103000	USD
CY2020Q2	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	0	USD
CY2021Q2	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	-16000	USD
CY2020Q2	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	-194000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	19301000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	12260000	USD
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	20829165	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	20728149	shares
CY2021Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	258614	shares
CY2020Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	268583	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21087779	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	20996732	shares
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.93
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.58
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.92
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.58
	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Basic UndistributedEarningsLossAvailableToCommonShareholdersBasic	43797000	USD
	us-gaap	Undistributed Earnings Loss Available To Common Shareholders Basic UndistributedEarningsLossAvailableToCommonShareholdersBasic	26577000	USD
	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	400000	USD
	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	0	USD
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	-38000	USD
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	-416000	USD
	us-gaap	Net Income Loss NetIncomeLoss	44235000	USD
	us-gaap	Net Income Loss NetIncomeLoss	26993000	USD
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	20780975	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	20819857	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	285514	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	264410	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21066489	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21084267	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.11
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.28
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.08
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.26
CY2021Q2	us-gaap	Revenues Revenues	405871000	USD
CY2021Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	333042000	USD
CY2021Q2	us-gaap	Gross Profit GrossProfit	72829000	USD
CY2021Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	50342000	USD
CY2021Q2	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	69000	USD
CY2021Q2	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	32000	USD
CY2021Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	22450000	USD
CY2021Q2	us-gaap	Depreciation Depreciation	6062000	USD
CY2021Q2	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	2387000	USD
CY2021Q2	us-gaap	Assets Assets	715930000	USD
CY2020Q2	us-gaap	Revenues Revenues	293125000	USD
CY2020Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	234805000	USD
CY2020Q2	us-gaap	Gross Profit GrossProfit	58320000	USD
CY2020Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	44261000	USD
CY2020Q2	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	3000	USD
CY2020Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	14062000	USD
CY2020Q2	us-gaap	Depreciation Depreciation	3200000	USD
CY2020Q2	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	802000	USD
CY2020Q2	us-gaap	Assets Assets	525325000	USD
	us-gaap	Revenues Revenues	1052670000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	856288000	USD
	us-gaap	Gross Profit GrossProfit	196382000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	140783000	USD
	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	142000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	24000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	55481000	USD
	us-gaap	Depreciation Depreciation	15910000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	5391000	USD
CY2021Q2	us-gaap	Assets Assets	715930000	USD
	us-gaap	Revenues Revenues	860445000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	700646000	USD
	us-gaap	Gross Profit GrossProfit	159799000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	124169000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	40000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	35670000	USD
	us-gaap	Depreciation Depreciation	8797000	USD
	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	3700000	USD
CY2020Q2	us-gaap	Assets Assets	525325000	USD
CY2021Q2	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	842141	shares
CY2015Q3	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
CY2020Q2	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	20.29
	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	22.32
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	32323	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	13996	shares
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	17427	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Granted ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted	0	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Shares Issued In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod	8183	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	13996	shares
CY2021Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	202000	USD
CY2021Q2	us-gaap	Shares Outstanding SharesOutstanding	258253	shares
	us-gaap	Stock Issued During Period Shares Share Based Compensation Forfeited StockIssuedDuringPeriodSharesShareBasedCompensationForfeited	114067	shares
	iesc	Sharesvested Sharesvested	121102	shares
CY2021Q2	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	847000	USD
CY2020Q2	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	665000	USD
	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	2326000	USD
	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1747000	USD
CY2021Q2	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	585000	USD
CY2020Q3	us-gaap	Pension And Other Postretirement Defined Benefit Plans Liabilities Current And Noncurrent PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent	719000	USD
CY2021Q2	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	945000	USD
CY2021Q2	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	814000	USD
CY2021Q2	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	4147000	USD
CY2021Q2	us-gaap	Fair Value Net Asset Liability FairValueNetAssetLiability	-4016000	USD
CY2020Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	766000	USD
CY2020Q3	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	644000	USD
CY2020Q3	us-gaap	Fair Value Net Asset Liability FairValueNetAssetLiability	122000	USD
CY2021Q2	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	4147000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	-4074000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	-73000	USD
CY2021Q2	us-gaap	Business Combination Contingent Consideration Liability Noncurrent BusinessCombinationContingentConsiderationLiabilityNoncurrent	4147000	USD
CY2021Q2	us-gaap	Inventory Raw Materials InventoryRawMaterials	5264000	USD
CY2020Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	3232000	USD
CY2021Q2	us-gaap	Inventory Work In Process InventoryWorkInProcess	5928000	USD
CY2020Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	4894000	USD
CY2021Q2	us-gaap	Inventory Finished Goods InventoryFinishedGoods	1537000	USD
CY2020Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	1186000	USD
CY2021Q2	us-gaap	Other Inventory OtherInventory	58833000	USD
CY2020Q3	us-gaap	Other Inventory OtherInventory	15577000	USD
CY2021Q2	us-gaap	Inventory Net InventoryNet	71562000	USD
CY2020Q3	us-gaap	Inventory Net InventoryNet	24889000	USD
CY2020Q3	us-gaap	Goodwill Goodwill	53763000	USD
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	38264000	USD
CY2021Q2	us-gaap	Goodwill Goodwill	92027000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	117670000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	28369000	USD
CY2021Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	89301000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	58026000	USD
CY2020Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	18669000	USD
CY2020Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	39357000	USD
CY2021Q2	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	5642000	USD
CY2020Q3	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	6254000	USD
CY2021Q2	iesc	Estimatedcostofcompletionofbondedproject Estimatedcostofcompletionofbondedproject	98342000	USD
CY2021Q2	us-gaap	Purchase Commitment Remaining Minimum Amount Committed PurchaseCommitmentRemainingMinimumAmountCommitted	13771000	USD
CY2021Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	13668000	USD
CY2021Q2	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	832000	USD
CY2020Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	11056000	USD
CY2020Q3	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	418000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	7263000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	431000	USD
CY2021Q2	iesc	Lessee Total Lease Liability Payments Remainder Of Fiscal Year LesseeTotalLeaseLiabilityPaymentsRemainderOfFiscalYear	7694000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	12462000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	843000	USD
CY2021Q2	iesc	Total Lease Liability Payments Year Two TotalLeaseLiabilityPaymentsYearTwo	13305000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	503000	USD
CY2021Q2	iesc	Total Lease Liability Payments Year Five TotalLeaseLiabilityPaymentsYearFive	4655000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	9245000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	63000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	8534000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	831000	USD
CY2021Q2	iesc	Total Lease Liability Payments Year Three TotalLeaseLiabilityPaymentsYearThree	9365000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	5678000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	787000	USD
CY2021Q2	iesc	Total Lease Liability Payments Year Four TotalLeaseLiabilityPaymentsYearFour	6465000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	4152000	USD
CY2021Q2	iesc	Total Lease Liability Payments Due After Year Five TotalLeaseLiabilityPaymentsDueAfterYearFive	9308000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	47334000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	3458000	USD
CY2021Q2	iesc	Total Lease Liability Payments Due TotalLeaseLiabilityPaymentsDue	50792000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	4835000	USD
CY2021Q2	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	303000	USD
CY2021Q2	iesc	Total Lease Liability Undiscounted Excess Amount TotalLeaseLiabilityUndiscountedExcessAmount	5138000	USD
CY2021Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	42499000	USD
CY2021Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	3155000	USD
CY2021Q2	iesc	Total Lease Liability TotalLeaseLiability	45654000	USD
CY2021Q2	iesc	Operating Leasesnotyet Commenced OperatingLeasesnotyetCommenced	5979000	USD
CY2021Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	3287000	USD
CY2020Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	2967000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	10337000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	8907000	USD
CY2021Q2	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	176000	USD
CY2020Q2	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	64000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	418000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	124000	USD
CY2021Q2	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	33000	USD
CY2020Q2	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	15000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	81000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	30000	USD
CY2021Q2	iesc	Finance Lease Cost FinanceLeaseCost	209000	USD
CY2020Q2	iesc	Finance Lease Cost FinanceLeaseCost	79000	USD
	iesc	Finance Lease Cost FinanceLeaseCost	499000	USD
	iesc	Finance Lease Cost FinanceLeaseCost	154000	USD
CY2021Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	330000	USD
CY2020Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	327000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	880000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	802000	USD
CY2021Q2	us-gaap	Variable Lease Cost VariableLeaseCost	321000	USD
CY2020Q2	us-gaap	Variable Lease Cost VariableLeaseCost	190000	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	954000	USD
	us-gaap	Variable Lease Cost VariableLeaseCost	618000	USD
CY2021Q2	us-gaap	Lease Cost LeaseCost	4147000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	20799000	USD
CY2020Q2	us-gaap	Lease Cost LeaseCost	3563000	USD
	us-gaap	Lease Cost LeaseCost	12670000	USD
	us-gaap	Lease Cost LeaseCost	10481000	USD
CY2021Q2	us-gaap	Operating Lease Payments OperatingLeasePayments	3401000	USD
CY2020Q2	us-gaap	Operating Lease Payments OperatingLeasePayments	3202000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	11051000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	9500000	USD
CY2021Q2	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	33000	USD
CY2020Q2	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	15000	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	81000	USD
	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	30000	USD
CY2021Q2	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5834000	USD
CY2020Q2	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	577000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	8750000	USD
CY2021Q2	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	1032000	USD
CY2020Q2	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	270000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	1992000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	1198000	USD
CY2021Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y1M6D
CY2020Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y3M18D
CY2021Q2	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P4Y3M18D
CY2020Q3	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P4Y4M24D
CY2021Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.038
CY2020Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.039
CY2021Q2	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.045
CY2020Q3	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.051
	us-gaap	Business Combination Consideration Transferred1 BusinessCombinationConsiderationTransferred1	92694000	USD
CY2021Q2	us-gaap	Escrow Deposit EscrowDeposit	10916000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	4500000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	4500000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	-4074000	USD
CY2021Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets	36256000	USD
CY2021Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Property Plant And Equipment BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment	11965000	USD
CY2021Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Intangible Assets Other Than Goodwill BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill	59695000	USD
CY2021Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Net BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet	38264000	USD
CY2021Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Noncurrent Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets	802000	USD
CY2021Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities	29212000	USD
CY2021Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Capital Lease Obligation BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCapitalLeaseObligation	342000	USD
CY2021Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Deferred Tax Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities	3168000	USD
	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	21566000	USD
CY2021Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Less Noncontrolling Interest BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedLessNoncontrollingInterest	92694000	USD
CY2021Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired Goodwill And Liabilities Assumed Net BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet	38264000	USD
CY2021Q2	us-gaap	Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Amount BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount	24611000	USD
	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P6Y4M24D
CY2021Q2	us-gaap	Business Combination Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual	53881000	USD
CY2021Q2	us-gaap	Business Combination Pro Forma Information Earnings Or Loss Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual	665000	USD
	us-gaap	Business Combination Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual	98420000	USD
	us-gaap	Business Combination Pro Forma Information Earnings Or Loss Of Acquiree Since Acquisition Date Actual BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual	3101000	USD
	us-gaap	Business Combination Consideration Transferred1 BusinessCombinationConsiderationTransferred1	28952000	USD
CY2021Q2	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	419553000	USD
CY2020Q2	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	347179000	USD
	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	1147234000	USD
	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	1051916000	USD
CY2021Q2	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	19709000	USD
CY2020Q2	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	14751000	USD
	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	47288000	USD
	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	31370000	USD

Files In Submission

Name	View Source	Status
0001048268-21-000134-index-headers.html	Edgar Link	pending
0001048268-21-000134-index.html	Edgar Link	pending
0001048268-21-000134.txt	Edgar Link	pending
0001048268-21-000134-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
iesc-20210630.htm	Edgar Link	pending
iesc-20210630.xsd	Edgar Link	pending
iesc-20210630_cal.xml	Edgar Link	unprocessable
iesc-20210630_def.xml	Edgar Link	unprocessable
iesc-20210630_g1.gif	Edgar Link	pending
iesc-20210630_htm.xml	Edgar Link	completed
iesc-20210630_lab.xml	Edgar Link	unprocessable
iesc-20210630_pre.xml	Edgar Link	unprocessable
joinderlimitedconsentandei.htm	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
q32021ex311.htm	Edgar Link	pending
q32021ex312.htm	Edgar Link	pending
q32021ex321.htm	Edgar Link	pending
q32021ex322.htm	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$IESC
IES Holdings, Inc. Stock $iesc

2021 Q3 Form 10-Q Financial Statement

#000104826821000134 Filed on August 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IESC IES Holdings, Inc. Stock $iesc

2021 Q3 Form 10-Q Financial Statement

#000104826821000134 Filed on August 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$IESC
IES Holdings, Inc. Stock $iesc