$MTRX
MATRIX SERVICE CO Stock $mtrx

$mtrx Overview Financials Valuation SEC Filings Company Website

2021 Q3 Form 10-Q Financial Statement

#000086627321000116 Filed on November 09, 2021

Income Statement

Concept	2021 Q3	2020 Q3
Revenue	$168.1M	$182.8M
YoY Change	-8.03%	-45.94%
Cost Of Revenue	$171.6M	$168.4M
YoY Change	1.89%	-44.89%
Gross Profit	-$3.508M	$14.35M
YoY Change	-124.45%	-55.8%
Gross Profit Margin	-2.09%	7.85%
Selling, General & Admin	$16.63M	$18.13M
YoY Change	-8.27%	-23.48%
% of Gross Profit		126.33%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$4.052M	$4.639M
YoY Change	-12.65%	-2.93%
% of Gross Profit		32.33%
Operating Expenses	$16.63M	$18.13M
YoY Change	-8.27%	-23.48%
Operating Profit	-$20.74M	-$3.458M
YoY Change	499.83%	-139.41%
Interest Expense	$1.999M	$375.0K
YoY Change	433.07%	-3.6%
% of Operating Profit
Other Income/Expense, Net	-$83.00K	$1.033M
YoY Change	-108.03%	34333.33%
Pretax Income	-$22.80M	-$2.767M
YoY Change	724.11%	-131.22%
Income Tax	-$5.265M	$270.0K
% Of Pretax Income
Net Earnings	-$17.54M	-$3.037M
YoY Change	477.48%	-149.37%
Net Earnings / Revenue	-10.43%	-1.66%
Basic Earnings Per Share	-$0.66	-$0.12
Diluted Earnings Per Share	-$0.66	-$0.12
COMMON SHARES
Basic Shares Outstanding	26.61M shares	26.27M shares
Diluted Shares Outstanding	26.61M shares	26.27M shares

Balance Sheet

Concept	2021 Q3	2020 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$34.68M	$82.20M
YoY Change	-57.81%	-41.24%
Cash & Equivalents	$34.68M	$82.18M
Short-Term Investments
Other Short-Term Assets	$11.18M	$9.144M
YoY Change	22.27%	-8.28%
Inventory	$6.314M	$6.751M
Prepaid Expenses
Receivables	$144.9M	$171.5M
Other Receivables	$16.85M	$4.100M
Total Short-Term Assets	$250.3M	$331.3M
YoY Change	-24.47%	-24.59%
LONG-TERM ASSETS
Property, Plant & Equipment	$65.80M	$79.44M
YoY Change	-17.17%	-2.55%
Goodwill	$60.54M	$60.44M
YoY Change	0.17%	-35.22%
Intangibles	$6.094M	$8.287M
YoY Change	-26.46%	-55.24%
Long-Term Investments
YoY Change
Other Assets	$10.37M	$6.893M
YoY Change	50.41%	-49.84%
Total Long-Term Assets	$200.0M	$180.9M
YoY Change	10.56%	-22.49%
TOTAL ASSETS
Total Short-Term Assets	$250.3M	$331.3M
Total Long-Term Assets	$200.0M	$180.9M
Total Assets	$450.3M	$512.2M
YoY Change	-12.09%	-23.86%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$65.97M	$68.62M
YoY Change	-3.85%	-29.25%
Accrued Expenses	$37.33M	$38.10M
YoY Change	-2.02%	-34.42%
Deferred Revenue	$50.97M	$63.52M
YoY Change	-19.76%	-148.79%
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$154.3M	$170.2M
YoY Change	-9.37%	-40.34%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$9.400M
YoY Change	-100.0%	-17.3%
Other Long-Term Liabilities	$27.67M	$26.60M
YoY Change	4.03%	63.19%
Total Long-Term Liabilities	$27.67M	$36.00M
YoY Change	-23.13%	216.73%
TOTAL LIABILITIES
Total Short-Term Liabilities	$154.3M	$170.2M
Total Long-Term Liabilities	$27.67M	$36.00M
Total Liabilities	$182.0M	$206.2M
YoY Change	-11.75%	-34.6%
SHAREHOLDERS EQUITY
Retained Earnings	$157.6M	$203.4M
YoY Change	-22.48%	-17.21%
Common Stock	$279.0K	$279.0K
YoY Change	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$17.39M	$22.34M
YoY Change	-22.19%	68.36%
Treasury Stock Shares	1.191M shares	1.428M shares
Shareholders Equity	$268.3M	$306.0M
YoY Change
Total Liabilities & Shareholders Equity	$450.3M	$512.2M
YoY Change	-12.09%	-23.86%

Cashflow Statement

Concept	2021 Q3	2020 Q3
OPERATING ACTIVITIES
Net Income	-$17.54M	-$3.037M
YoY Change	477.48%	-149.37%
Depreciation, Depletion And Amortization	$4.052M	$4.639M
YoY Change	-12.65%	-2.93%
Cash From Operating Activities	-$19.15M	-$15.02M
YoY Change	27.52%	-126.77%
INVESTING ACTIVITIES
Capital Expenditures	$219.0K	$2.777M
YoY Change	-92.11%	-68.02%
Acquisitions
YoY Change
Other Investing Activities	$103.0K	$1.070M
YoY Change	-90.37%	613.33%
Cash From Investing Activities	-$116.0K	-$1.703M
YoY Change	-93.19%	-80.04%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$1.817M	-$1.454M
YoY Change	24.97%	-151.91%
NET CHANGE
Cash From Operating Activities	-$19.15M	-$15.02M
Cash From Investing Activities	-$116.0K	-$1.703M
Cash From Financing Activities	-$1.817M	-$1.454M
Net Change In Cash	-$21.60M	-$17.86M
YoY Change	20.93%	-135.6%
FREE CASH FLOW
Cash From Operating Activities	-$19.15M	-$15.02M
Capital Expenditures	$219.0K	$2.777M
Free Cash Flow	-$19.37M	-$17.80M
YoY Change	8.85%	-137.53%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021Q3	dei	Amendment Flag AmendmentFlag	false
CY2021Q3	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2021Q3	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q1
CY2021Q3	dei	Entity Central Index Key EntityCentralIndexKey	0000866273
CY2021Q3	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--06-30
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-2633000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	54000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	12000	USD
CY2021Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	586000	USD
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	898000	USD
CY2021Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	60000000	shares
CY2021Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	60000000	shares
CY2021Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	27888217	shares
CY2021Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	27888217	shares
CY2021Q3	us-gaap	Shares Outstanding SharesOutstanding	26697028	shares
CY2021Q2	us-gaap	Shares Outstanding SharesOutstanding	26549438	shares
CY2021Q3	us-gaap	Treasury Stock Shares TreasuryStockShares	1191189	shares
CY2021Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	1338779	shares
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	mtrx	Deferred Shares Issued DeferredSharesIssued	217084	shares
CY2020Q3	mtrx	Deferred Shares Issued DeferredSharesIssued	478703	shares
CY2021Q3	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	7209	shares
CY2020Q3	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	8730	shares
CY2021Q3	mtrx	Other Treasury Shares Acquired OtherTreasurySharesAcquired	76703	shares
CY2020Q3	mtrx	Other Treasury Shares Acquired OtherTreasurySharesAcquired	168765	shares
CY2021Q3	dei	Document Type DocumentType	10-Q
CY2021Q3	dei	Document Quarterly Report DocumentQuarterlyReport	true
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	dei	Document Transition Report DocumentTransitionReport	false
CY2021Q3	dei	Entity File Number EntityFileNumber	1-15461
CY2021Q3	dei	Entity Registrant Name EntityRegistrantName	MATRIX SERVICE CO
CY2021Q3	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021Q3	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	73-1352174
CY2021Q3	dei	Entity Address Address Line1 EntityAddressAddressLine1	5100 East Skelly Drive, Suite 500
CY2021Q3	dei	Entity Address City Or Town EntityAddressCityOrTown	Tulsa
CY2021Q3	dei	Entity Address State Or Province EntityAddressStateOrProvince	OK
CY2021Q3	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	74135
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2021Q3	dei	City Area Code CityAreaCode	918
CY2021Q3	dei	Local Phone Number LocalPhoneNumber	838-8822
CY2021Q3	dei	Security12b Title Security12bTitle	Common Stock, par value $0.01 per share
CY2021Q3	dei	Trading Symbol TradingSymbol	MTRX
CY2021Q3	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2021Q3	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021Q3	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021Q3	dei	Entity Small Business EntitySmallBusiness	false
CY2021Q3	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021Q3	dei	Entity Shell Company EntityShellCompany	false
CY2021Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	26765025	shares
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	us-gaap	Revenues Revenues	168093000	USD
CY2020Q3	us-gaap	Revenues Revenues	182771000	USD
CY2021Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	171601000	USD
CY2020Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	168421000	USD
CY2021Q3	us-gaap	Gross Profit GrossProfit	-3508000	USD
CY2020Q3	us-gaap	Gross Profit GrossProfit	14350000	USD
CY2021Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	16629000	USD
CY2020Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	18128000	USD
CY2021Q3	us-gaap	Restructuring Charges RestructuringCharges	605000	USD
CY2020Q3	us-gaap	Restructuring Charges RestructuringCharges	-320000	USD
CY2021Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-20742000	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-3458000	USD
CY2021Q3	us-gaap	Interest Expense InterestExpense	1999000	USD
CY2020Q3	us-gaap	Interest Expense InterestExpense	375000	USD
CY2021Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	21000	USD
CY2020Q3	us-gaap	Investment Income Interest InvestmentIncomeInterest	33000	USD
CY2021Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-83000	USD
CY2020Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1033000	USD
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-22803000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-2767000	USD
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.66
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-5265000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	270000	USD
CY2021Q3	us-gaap	Profit Loss ProfitLoss	-17538000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	-3037000	USD
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.12
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.66
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.12
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26611000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26265000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26611000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26265000	shares
CY2021Q3	us-gaap	Profit Loss ProfitLoss	-17538000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	-3037000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	404000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-18333000	USD
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	34678000	USD
CY2021Q2	us-gaap	Assets Current AssetsCurrent	291219000	USD
CY2021Q3	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	41556000	USD
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	83878000	USD
CY2021Q3	us-gaap	Restricted Cash Current RestrictedCashCurrent	2600000	USD
CY2020Q3	us-gaap	Restricted Cash Current RestrictedCashCurrent	0	USD
CY2021Q2	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	41633000	USD
CY2021Q3	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	94209000	USD
CY2021Q2	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	94453000	USD
CY2021Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	144892000	USD
CY2021Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	148030000	USD
CY2021Q3	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	33766000	USD
CY2021Q2	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	30774000	USD
CY2021Q3	us-gaap	Inventory Net InventoryNet	6314000	USD
CY2021Q2	us-gaap	Inventory Net InventoryNet	7342000	USD
CY2021Q3	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	16845000	USD
CY2021Q2	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	16965000	USD
CY2021Q3	us-gaap	Other Assets Current OtherAssetsCurrent	11180000	USD
CY2021Q2	us-gaap	Other Assets Current OtherAssetsCurrent	4230000	USD
CY2021Q3	us-gaap	Assets Current AssetsCurrent	250275000	USD
CY2021Q3	mtrx	Transportation Equipment Gross TransportationEquipmentGross	50068000	USD
CY2021Q2	mtrx	Transportation Equipment Gross TransportationEquipmentGross	50510000	USD
CY2021Q3	mtrx	Mtrx Office Equipment And Capitalized Computer Software Gross MtrxOfficeEquipmentAndCapitalizedComputerSoftwareGross	43010000	USD
CY2021Q2	mtrx	Mtrx Office Equipment And Capitalized Computer Software Gross MtrxOfficeEquipmentAndCapitalizedComputerSoftwareGross	42706000	USD
CY2021Q3	us-gaap	Construction In Progress Gross ConstructionInProgressGross	126000	USD
CY2021Q2	us-gaap	Construction In Progress Gross ConstructionInProgressGross	493000	USD
CY2021Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	228969000	USD
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CY2021Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	163171000	USD
CY2021Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	160388000	USD
CY2021Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	65798000	USD
CY2021Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	69407000	USD
CY2021Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	25000000	USD
CY2021Q2	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	0	USD
CY2021Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	21515000	USD
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	22412000	USD
CY2021Q3	us-gaap	Goodwill Goodwill	60540000	USD
CY2021Q2	us-gaap	Goodwill Goodwill	60636000	USD
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CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
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CY2021Q3	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	6627000	USD
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CY2021Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	5570000	USD
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CY2021Q3	us-gaap	Liabilities Current LiabilitiesCurrent	154277000	USD
CY2021Q2	us-gaap	Liabilities Current LiabilitiesCurrent	153402000	USD
CY2021Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	29000	USD
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CY2021Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	19951000	USD
CY2021Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	20771000	USD
CY2021Q3	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	7722000	USD
CY2021Q2	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	7810000	USD
CY2021Q3	us-gaap	Liabilities Liabilities	181979000	USD
CY2021Q2	us-gaap	Liabilities Liabilities	182017000	USD
CY2021Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q3	us-gaap	Common Stock Value CommonStockValue	279000	USD
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CY2021Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	135308000	USD
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CY2021Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	175178000	USD
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CY2021Q3	us-gaap	Stockholders Equity Before Treasury Stock StockholdersEquityBeforeTreasuryStock	285683000	USD
CY2021Q2	us-gaap	Stockholders Equity Before Treasury Stock StockholdersEquityBeforeTreasuryStock	306283000	USD
CY2021Q3	us-gaap	Treasury Stock Value TreasuryStockValue	17385000	USD
CY2021Q2	us-gaap	Treasury Stock Value TreasuryStockValue	20744000	USD
CY2021Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	268298000	USD
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	285539000	USD
CY2021Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	450277000	USD
CY2021Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	467556000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	-3037000	USD
CY2021Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	4052000	USD
CY2020Q3	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	4639000	USD
CY2021Q3	us-gaap	Share Based Compensation ShareBasedCompensation	1869000	USD
CY2020Q3	us-gaap	Share Based Compensation ShareBasedCompensation	2218000	USD
CY2021Q3	mtrx	Mtrx Operating Lease Impairments Due To Restructuring MtrxOperatingLeaseImpairmentsDueToRestructuring	0	USD
CY2020Q3	mtrx	Mtrx Operating Lease Impairments Due To Restructuring MtrxOperatingLeaseImpairmentsDueToRestructuring	150000	USD
CY2021Q3	mtrx	Mtrx Deferred Income Tax Expense MtrxDeferredIncomeTaxExpense	-5343000	USD
CY2020Q3	mtrx	Mtrx Deferred Income Tax Expense MtrxDeferredIncomeTaxExpense	289000	USD
CY2021Q3	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	101000	USD
CY2020Q3	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	941000	USD
CY2021Q3	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4000	USD
CY2020Q3	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-64000	USD
CY2021Q3	us-gaap	Other Noncash Expense OtherNoncashExpense	1518000	USD
CY2020Q3	us-gaap	Other Noncash Expense OtherNoncashExpense	0	USD
CY2021Q3	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	0	USD
CY2021Q3	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	219000	USD
CY2020Q3	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2777000	USD
CY2021Q3	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	103000	USD
CY2020Q3	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	101000	USD
CY2020Q3	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	1854000	USD
CY2021Q3	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1028000	USD
CY2020Q3	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-291000	USD
CY2021Q3	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	3134000	USD
CY2020Q3	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-10769000	USD
CY2021Q3	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-2992000	USD
CY2021Q3	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-5921000	USD
CY2020Q3	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-8018000	USD
CY2021Q3	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	5108000	USD
CY2020Q3	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-4431000	USD
CY2021Q3	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-2859000	USD
CY2020Q3	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-366000	USD
CY2021Q3	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-1112000	USD
CY2020Q3	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	3646000	USD
CY2021Q3	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-19153000	USD
CY2020Q3	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-15020000	USD
CY2020Q3	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	1074000	USD
CY2021Q3	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-116000	USD
CY2020Q3	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1703000	USD
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	922000	USD
CY2020Q3	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2021Q3	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	76000	USD
CY2020Q3	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	82000	USD
CY2021Q3	us-gaap	Payments For Repurchase Of Other Equity PaymentsForRepurchaseOfOtherEquity	853000	USD
CY2020Q3	us-gaap	Payments For Repurchase Of Other Equity PaymentsForRepurchaseOfOtherEquity	1536000	USD
CY2021Q3	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	118000	USD
CY2020Q3	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	0	USD
CY2021Q3	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1817000	USD
CY2020Q3	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1454000	USD
CY2021Q3	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-514000	USD
CY2020Q3	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	316000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-21600000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-17861000	USD
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	83878000	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	100036000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	62278000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	82175000	USD
CY2021Q3	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	0	USD
CY2020Q3	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	122000	USD
CY2021Q3	us-gaap	Interest Paid Net InterestPaidNet	1603000	USD
CY2020Q3	us-gaap	Interest Paid Net InterestPaidNet	470000	USD
CY2021Q3	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	51000	USD
CY2020Q3	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	0	USD
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	285539000	USD
CY2021Q3	us-gaap	Profit Loss ProfitLoss	-17538000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-795000	USD
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	0	USD
CY2021Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	76000	USD
CY2021Q3	mtrx	Other Treasury Share Purchases OtherTreasurySharePurchases	853000	USD
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1869000	USD
CY2021Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	268298000	USD
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	307889000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	-3037000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	404000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Other AdjustmentsToAdditionalPaidInCapitalOther	0	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	82000	USD
CY2020Q3	mtrx	Other Treasury Share Purchases OtherTreasurySharePurchases	1536000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2218000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	306020000	USD
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	34678000	USD
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	83878000	USD
CY2021Q3	us-gaap	Restricted Cash Current RestrictedCashCurrent	2600000	USD
CY2020Q3	us-gaap	Restricted Cash Current RestrictedCashCurrent	0	USD
CY2021Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	25000000	USD
CY2021Q2	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	0	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	62278000	USD
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	83878000	USD
CY2021Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	365400000	USD
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	mtrx	Performanceobligationstoberecognizedasrevenuewithinnexttwelvemonths Performanceobligationstoberecognizedasrevenuewithinnexttwelvemonths	302200000	USD
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	33766000	USD
CY2021Q2	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	30774000	USD
CY2021Q3	mtrx	Changein Cie ChangeinCIE	2992000	USD
CY2021Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	50973000	USD
CY2021Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	53832000	USD
CY2021Q3	mtrx	Changein Bie ChangeinBIE	2859000	USD
CY2021Q3	mtrx	Contractwithcustomercurrentliabilitynet Contractwithcustomercurrentliabilitynet	-17207000	USD
CY2021Q2	mtrx	Contractwithcustomercurrentliabilitynet Contractwithcustomercurrentliabilitynet	-23058000	USD
CY2021Q3	mtrx	Changeinnetcontractbalances Changeinnetcontractbalances	5851000	USD
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	44300000	USD
CY2021Q3	us-gaap	Construction Contractor Receivable Retainage Year One ConstructionContractorReceivableRetainageYearOne	12800000	USD
CY2021Q2	us-gaap	Construction Contractor Receivable Retainage Year One ConstructionContractorReceivableRetainageYearOne	19900000	USD
CY2021Q3	us-gaap	Construction Contractor Receivable Retainage After Year One ConstructionContractorReceivableRetainageAfterYearOne	2600000	USD
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q2	us-gaap	Construction Contractor Receivable Retainage After Year One ConstructionContractorReceivableRetainageAfterYearOne	3100000	USD
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	168093000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	182771000	USD
CY2021Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	168093000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	182771000	USD
CY2021Q3	us-gaap	Loss On Contracts LossOnContracts	5900000	USD
CY2021Q3	mtrx	Percentageofrealestateleases Percentageofrealestateleases	0.93	Rate
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	us-gaap	Lessee Operating Lease Term Of Contract LesseeOperatingLeaseTermOfContract	P14Y
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	2092000	USD
CY2020Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	2488000	USD
CY2021Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	5571000	USD
CY2020Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	5975000	USD
CY2021Q3	us-gaap	Lease Cost LeaseCost	7663000	USD
CY2020Q3	us-gaap	Lease Cost LeaseCost	8463000	USD
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	5412000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	4752000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	3608000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	3160000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	2882000	USD
CY2021Q3	mtrx	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	11220000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	31034000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	5513000	USD
CY2021Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	25521000	USD
CY2021Q3	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	5570000	USD
CY2021Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	19951000	USD
CY2021Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y2M12D
CY2021Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.052
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	us-gaap	Operating Lease Payments OperatingLeasePayments	2188000	USD
CY2021Q3	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	882000	USD
CY2021Q2	us-gaap	Goodwill Goodwill	60636000	USD
CY2021Q3	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-96000	USD
CY2021Q3	us-gaap	Goodwill Goodwill	60540000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	19743000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	13649000	USD
CY2021Q3	us-gaap	Line Of Credit Facility Initiation Date1 LineOfCreditFacilityInitiationDate1	2021-09-09
CY2020Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	600000	USD
CY2021Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	6094000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	19837000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	13223000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	6614000	USD
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	500000	USD
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	1297000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	1729000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1416000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1097000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	555000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	6094000	USD
CY2021Q3	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	100000000	USD
CY2021Q3	us-gaap	Line Of Credit Facility Increase Decrease For Period Net LineOfCreditFacilityIncreaseDecreaseForPeriodNet	15000000	USD
CY2021Q3	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	25000000	USD
CY2021Q3	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	32100000	USD
CY2021Q3	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	43100000	USD
CY2021Q3	us-gaap	Line Of Credit Facility Expiration Date1 LineOfCreditFacilityExpirationDate1	2026-09-09
CY2021Q3	mtrx	Mtrx Asset Backed Credit Facility Federal Funds Rate Addition MtrxAssetBackedCreditFacility_FederalFundsRateAddition	0.0050
CY2021Q3	mtrx	Mtrx Asset Backed Credit Facility Libor Rate One Month Add On MtrxAssetBackedCreditFacilityLIBORRateOneMonthAddOn	0.0100
CY2021Q3	mtrx	Asset Backed Credit Facility Base Rate Add On AssetBackedCreditFacilityBaseRateAddOn	0.0100
CY2021Q3	mtrx	Line Of Credit Basis Spread On Alternate Base Rate Minimum LineOfCreditBasisSpreadOnAlternateBaseRateMinimum	0.0100
CY2021Q3	mtrx	Line Of Credit Basis Spread On Alternate Base Rate Maximum LineOfCreditBasisSpreadOnAlternateBaseRateMaximum	0.0150
CY2021Q3	mtrx	Line Of Credit Basis Spread On Adjusted Libo And Cdor Minimum LineOfCreditBasisSpreadOnAdjustedLIBOAndCDORMinimum	0.0200
CY2021Q3	mtrx	Line Of Credit Basis Spread On Adjusted Libo And Cdor Maximum LineOfCreditBasisSpreadOnAdjustedLIBOAndCDORMaximum	0.0250
CY2021Q3	us-gaap	Line Of Credit Facility Unused Capacity Commitment Fee Percentage LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage	0.0025
CY2021Q3	mtrx	Mtrx Asset Backed Lineof Credit Balance Limitfor Fixed Charge Coverage Ratio MtrxAssetBackedLineofCreditBalanceLimitforFixedChargeCoverageRatio	15000000	USD
CY2021Q3	mtrx	Mtrx Asset Backed Lineof Credit Percentage Limitfor Fixed Charge Coverage Ratio MtrxAssetBackedLineofCreditPercentageLimitforFixedChargeCoverageRatio	0.1500
CY2021Q3	mtrx	Asset Backed Credit Facility Fixed Charge Coverage Ratio Requirement AssetBackedCreditFacilityFixedChargeCoverageRatioRequirement	1.00
CY2021Q3	mtrx	Asset Backed Credit Facility Fixed Charge Coverage Ratio Requirement AssetBackedCreditFacilityFixedChargeCoverageRatioRequirement	1.00
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.66
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.12
CY2021Q2	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	200000000	USD
CY2021Q3	us-gaap	Line Of Credit Facility Expiration Date1 LineOfCreditFacilityExpirationDate1	2023-11-02
CY2021Q2	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	41300000	USD
CY2021Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.231
CY2020Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.098
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2020Q3	us-gaap	Income Tax Reconciliation Deductions Other IncomeTaxReconciliationDeductionsOther	1000000	USD
CY2021	mtrx	Mtrx Mtrx Cares Act Nol Carryback Benefit MtrxMtrxCARESActNOLCarrybackBenefit	5200000	USD
CY2021Q3	mtrx	Mtrx Mtrx Cares Act Nol Carryback Benefit MtrxMtrxCARESActNOLCarrybackBenefit	300000	USD
CY2021Q3	mtrx	Mtrx Caresact Deferred Payroll Tax Liability MtrxCARESACTDeferredPayrollTaxLiability	11100000	USD
CY2021Q3	us-gaap	Unapproved Change Orders Amount UnapprovedChangeOrdersAmount	15300000	USD
CY2021Q2	us-gaap	Unapproved Change Orders Amount UnapprovedChangeOrdersAmount	14600000	USD
CY2021Q3	us-gaap	Contracts Receivable Claims And Uncertain Amounts ContractsReceivableClaimsAndUncertainAmounts	17000000	USD
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	us-gaap	Profit Loss ProfitLoss	-17538000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	-3037000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26611000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26265000	shares
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.66
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.12
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26611000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26265000	shares
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	mtrx	Grossrevenues Grossrevenues	170726000	USD
CY2020Q3	mtrx	Grossrevenues Grossrevenues	184995000	USD
CY2021Q3	us-gaap	Revenues Revenues	168093000	USD
CY2020Q3	us-gaap	Revenues Revenues	182771000	USD
CY2021Q3	us-gaap	Gross Profit GrossProfit	-3508000	USD
CY2020Q3	us-gaap	Gross Profit GrossProfit	14350000	USD
CY2021Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	16629000	USD
CY2020Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	18128000	USD
CY2021Q3	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	605000	USD
CY2020Q3	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	-320000	USD
CY2021Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-20742000	USD
CY2020Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-3458000	USD
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
CY2021Q3	us-gaap	Severance Costs1 SeveranceCosts1	25000	USD
CY2021Q3	us-gaap	Assets Assets	450277000	USD
CY2021Q2	us-gaap	Assets Assets	467556000	USD
CY2020Q3	us-gaap	Severance Costs1 SeveranceCosts1	-466000	USD
	us-gaap	Severance Costs1 SeveranceCosts1	14343000	USD
CY2021Q3	us-gaap	Business Exit Costs1 BusinessExitCosts1	16000	USD
CY2020Q3	us-gaap	Business Exit Costs1 BusinessExitCosts1	35000	USD
	us-gaap	Business Exit Costs1 BusinessExitCosts1	4513000	USD
CY2021Q3	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
CY2020Q3	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	1525000	USD
CY2021Q3	us-gaap	Other Restructuring Costs OtherRestructuringCosts	564000	USD
CY2020Q3	us-gaap	Other Restructuring Costs OtherRestructuringCosts	111000	USD
	us-gaap	Other Restructuring Costs OtherRestructuringCosts	990000	USD
CY2021Q3	us-gaap	Restructuring Charges RestructuringCharges	605000	USD
CY2020Q3	us-gaap	Restructuring Charges RestructuringCharges	-320000	USD
	us-gaap	Restructuring Charges RestructuringCharges	21371000	USD
CY2021Q2	us-gaap	Restructuring Reserve RestructuringReserve	2435000	USD
CY2021Q3	us-gaap	Payments For Restructuring PaymentsForRestructuring	272000	USD
CY2021Q3	mtrx	Mtrx Adjustment To Restructuring Costs Liability MtrxAdjustmentToRestructuringCostsLiability	29000	USD
CY2021Q3	us-gaap	Restructuring Reserve RestructuringReserve	2192000	USD

Files In Submission

Name	View Source	Status
0000866273-21-000116-index-headers.html	Edgar Link	pending
0000866273-21-000116-index.html	Edgar Link	pending
0000866273-21-000116.txt	Edgar Link	pending
0000866273-21-000116-xbrl.zip	Edgar Link	pending
exhibit311-mtrxx2021x9x30x.htm	Edgar Link	pending
exhibit312-mtrxx2021x9x30x.htm	Edgar Link	pending
exhibit321-mtrxx2021x9x30x.htm	Edgar Link	pending
exhibit322-mtrxx2021x9x30x.htm	Edgar Link	pending
exhibit95-mtrxx2021x9x30x.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
mtrx-20210930.htm	Edgar Link	pending
mtrx-20210930.xsd	Edgar Link	pending
mtrx-20210930_cal.xml	Edgar Link	unprocessable
mtrx-20210930_def.xml	Edgar Link	unprocessable
mtrx-20210930_htm.xml	Edgar Link	completed
mtrx-20210930_lab.xml	Edgar Link	unprocessable
mtrx-20210930_pre.xml	Edgar Link	unprocessable
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
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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

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$MTRX
MATRIX SERVICE CO Stock $mtrx

2021 Q3 Form 10-Q Financial Statement

#000086627321000116 Filed on November 09, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MTRX MATRIX SERVICE CO Stock $mtrx

2021 Q3 Form 10-Q Financial Statement

#000086627321000116 Filed on November 09, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MTRX
MATRIX SERVICE CO Stock $mtrx