$MTRX
MATRIX SERVICE CO Stock $mtrx

$mtrx Overview Financials Valuation SEC Filings Company Website

2023 Q3 Form 10-K Financial Statement

#000086627323000058 Filed on September 12, 2023

Income Statement

Concept	2023 Q3	2023 Q2	2023
Revenue	$197.7M	$205.9M	$795.0M
YoY Change	-5.17%	2.56%	12.33%
Cost Of Revenue	$185.8M	$191.2M	$764.2M
YoY Change	-4.92%	-4.35%	7.79%
Gross Profit	$11.86M	$14.70M	$30.82M
YoY Change	-8.83%	1612.7%	-2655.56%
Gross Profit Margin	6.0%	7.14%	3.88%
Selling, General & Admin	$17.11M	$17.03M	$68.25M
YoY Change	1.8%	-5.9%	0.83%
% of Gross Profit	144.3%	115.9%	221.44%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$2.911M	$3.195M	$13.69M
YoY Change	-20.07%	-13.58%	-10.23%
% of Gross Profit	24.55%	21.74%	44.43%
Operating Expenses	$17.11M	$17.03M	$68.25M
YoY Change	1.8%	-5.9%	0.83%
Operating Profit	-$5.254M	-$2.336M	-$52.89M
YoY Change	3.22%	-86.45%	-23.24%
Interest Expense	$325.0K	-$342.0K	$2.024M
YoY Change	-12.63%	52.0%	-170.74%
% of Operating Profit
Other Income/Expense, Net	$2.262M	$2.566M	$1.860M
YoY Change	-310.61%	-91.96%	-94.26%
Pretax Income	-$3.167M	-$373.0K	-$52.76M
YoY Change	-51.37%	-102.76%	-9.47%
Income Tax	$0.00	-$37.00K	-$400.0K
% Of Pretax Income
Net Earnings	-$3.167M	-$336.0K	-$52.36M
YoY Change	-51.37%	-102.5%	-18.06%
Net Earnings / Revenue	-1.6%	-0.16%	-6.59%
Basic Earnings Per Share	-$0.12		-$1.94
Diluted Earnings Per Share	-$0.12	-$0.01	-$1.94
COMMON SHARES
Basic Shares Outstanding	27.21M shares	27.05M shares	26.99M shares
Diluted Shares Outstanding	27.11M shares		26.99M shares

Balance Sheet

Concept	2023 Q3	2023 Q2	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$27.40M	$54.81M	$54.81M
YoY Change	91.05%	4.66%	4.66%
Cash & Equivalents	$27.36M	$54.81M	$54.81M
Short-Term Investments
Other Short-Term Assets	$3.235M	$3.118M	$8.859M
YoY Change	-41.71%	-75.81%	-31.27%
Inventory	$9.153M	$7.437M	$7.437M
Prepaid Expenses	$10.14M	$5.741M
Receivables	$152.3M	$145.8M	$190.7M
Other Receivables	$500.0K	$496.0K	$496.0K
Total Short-Term Assets	$245.0M	$262.3M	$262.3M
YoY Change	-5.97%	-8.75%	-8.75%
LONG-TERM ASSETS
Property, Plant & Equipment	$45.03M	$47.55M	$69.34M
YoY Change	-12.84%	-37.39%	-8.68%
Goodwill	$29.06M	$29.12M
YoY Change	-30.68%	-30.89%
Intangibles	$2.635M	$3.066M
YoY Change	-39.62%	-36.07%
Long-Term Investments
YoY Change
Other Assets	$14.87M	$11.72M	$36.72M
YoY Change	140.49%	-61.6%	20.33%
Total Long-Term Assets	$137.2M	$138.2M	$138.2M
YoY Change	-8.7%	-9.87%	-9.87%
TOTAL ASSETS
Total Short-Term Assets	$245.0M	$262.3M	$262.3M
Total Long-Term Assets	$137.2M	$138.2M	$138.2M
Total Assets	$382.3M	$400.5M	$400.5M
YoY Change	-6.97%	-9.14%	-9.14%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$74.09M	$76.37M	$76.37M
YoY Change	8.08%	1.98%	1.98%
Accrued Expenses	$24.20M	$25.73M	$25.73M
YoY Change	-26.12%	-31.91%	-31.91%
Deferred Revenue	$73.13M	$85.44M
YoY Change	37.25%	31.23%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$171.4M	$187.5M	$187.5M
YoY Change	10.87%	5.48%	5.48%
LONG-TERM LIABILITIES
Long-Term Debt	$10.00M	$10.00M	$10.00M
YoY Change	-33.33%	-33.33%	-33.33%
Other Long-Term Liabilities	$1.776M	$21.46M	$21.46M
YoY Change	-91.14%	5.83%	5.83%
Total Long-Term Liabilities	$1.776M	$31.46M	$31.46M
YoY Change	-94.93%	-10.82%	-10.82%
TOTAL LIABILITIES
Total Short-Term Liabilities	$171.4M	$187.5M	$187.5M
Total Long-Term Liabilities	$1.776M	$31.46M	$31.46M
Total Liabilities	$203.2M	$219.0M	$219.0M
YoY Change	7.11%	2.78%	2.78%
SHAREHOLDERS EQUITY
Retained Earnings	$55.75M	$58.92M
YoY Change	-46.79%	-47.05%
Common Stock	$279.0K	$279.0K
YoY Change	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$7.372M	$9.753M
YoY Change	-35.99%	-37.2%
Treasury Stock Shares
Shareholders Equity	$179.1M	$181.5M	$181.5M
YoY Change
Total Liabilities & Shareholders Equity	$382.3M	$400.5M	$400.5M
YoY Change	-6.97%	-9.14%	-9.14%

Cashflow Statement

Concept	2023 Q3	2023 Q2	2023
OPERATING ACTIVITIES
Net Income	-$3.167M	-$336.0K	-$52.36M
YoY Change	-51.37%	-102.5%	-18.06%
Depreciation, Depletion And Amortization	$2.911M	$3.195M	$13.69M
YoY Change	-20.07%	-13.58%	-10.23%
Cash From Operating Activities	-$28.88M	$7.844M	$10.25M
YoY Change	-18.04%	-124.76%	-118.91%
INVESTING ACTIVITIES
Capital Expenditures	$478.0K	$2.797M	$9.009M
YoY Change	-69.71%	-239.15%	169.33%
Acquisitions
YoY Change
Other Investing Activities	$2.620M	$6.356M	$6.466M
YoY Change	65400.0%	-83.17%	-83.43%
Cash From Investing Activities	$2.140M	$3.559M	-$2.543M
YoY Change	-235.96%	-90.05%	-107.13%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$411.0K	-4.948M	-$5.058M
YoY Change	67.76%	-134.01%	-139.83%
NET CHANGE
Cash From Operating Activities	-$28.88M	7.844M	$10.25M
Cash From Investing Activities	$2.140M	3.559M	-$2.543M
Cash From Financing Activities	-$411.0K	-4.948M	-$5.058M
Net Change In Cash	-$27.45M	6.455M	$2.441M
YoY Change	-27.81%	-65.35%	-137.51%
FREE CASH FLOW
Cash From Operating Activities	-$28.88M	$7.844M	$10.25M
Capital Expenditures	$478.0K	$2.797M	$9.009M
Free Cash Flow	-$29.35M	$5.047M	$1.238M
YoY Change	-20.25%	-117.01%	-102.15%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0000866273
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--06-30
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	71000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	223000	usd
CY2023Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1061000	usd
CY2022Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	1320000	usd
CY2023Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	60000000	shares
CY2022Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	60000000	shares
CY2023Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	27888217	shares
CY2022Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	27888217	shares
CY2023Q2	us-gaap	Shares Outstanding SharesOutstanding	27047318	shares
CY2022Q2	us-gaap	Shares Outstanding SharesOutstanding	26790514	shares
CY2023Q2	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	840899	shares
CY2022Q2	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	1097703	shares
CY2023	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
CY2023	mtrx	Deferred Shares Issued DeferredSharesIssued	259529	shares
CY2023	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	50139	shares
CY2023	mtrx	Other Treasury Shares Acquired OtherTreasurySharesAcquired	52864	shares
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	19550	shares
CY2022	mtrx	Deferred Shares Issued DeferredSharesIssued	268403	shares
CY2022	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	29826	shares
CY2022	mtrx	Other Treasury Shares Acquired OtherTreasurySharesAcquired	76703	shares
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	34150	shares
CY2021	mtrx	Deferred Shares Issued DeferredSharesIssued	515218	shares
CY2021	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	29171	shares
CY2021	mtrx	Other Treasury Shares Acquired OtherTreasurySharesAcquired	170629	shares
CY2023Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000.0	shares
CY2022Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000.0	shares
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	5400000	usd
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2022Q4	dei	Entity Public Float EntityPublicFloat	162300000	usd
CY2023Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	27209838	shares
CY2023	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	12316000	usd
CY2022	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	18312000	usd
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.94
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.39
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.18
CY2023	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	12316000	usd
CY2023	us-gaap	Restructuring Charges RestructuringCharges	3142000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	6791000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	7877000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	8156000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	13694000	usd
CY2023	dei	Auditor Firm AuditorFirmId	34
CY2023	dei	Auditor Name AuditorName	DELOITTE & TOUCHE LLP
CY2023	dei	Auditor Location AuditorLocation	Tulsa, Oklahoma
CY2023	us-gaap	Revenues Revenues	795020000	usd
CY2022	us-gaap	Revenues Revenues	707780000	usd
CY2021	us-gaap	Revenues Revenues	673398000	usd
CY2023	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	764200000	usd
CY2022	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	708986000	usd
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	640633000	usd
CY2023	us-gaap	Gross Profit GrossProfit	30820000	usd
CY2022	us-gaap	Gross Profit GrossProfit	-1206000	usd
CY2021	us-gaap	Gross Profit GrossProfit	32765000	usd
CY2023	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	68249000	usd
CY2022	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	67690000	usd
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	69756000	usd
CY2023	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	12316000	usd
CY2022	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	18312000	usd
CY2021	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	usd
CY2023	us-gaap	Restructuring Charges RestructuringCharges	3142000	usd
CY2022	us-gaap	Restructuring Charges RestructuringCharges	646000	usd
CY2021	us-gaap	Restructuring Charges RestructuringCharges	6756000	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	-52887000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	-87854000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	-43747000	usd
CY2023	us-gaap	Interest Expense InterestExpense	2024000	usd
CY2022	us-gaap	Interest Expense InterestExpense	2951000	usd
CY2021	us-gaap	Interest Expense InterestExpense	1559000	usd
CY2023	us-gaap	Investment Income Interest InvestmentIncomeInterest	290000	usd
CY2022	us-gaap	Investment Income Interest InvestmentIncomeInterest	90000	usd
CY2021	us-gaap	Investment Income Interest InvestmentIncomeInterest	126000	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1860000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	32432000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1917000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-52761000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-58283000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-43263000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-400000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5617000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-12039000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	-52361000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	-63900000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	-31224000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.94
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CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.18
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CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.18
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26988000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26733000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26451000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26988000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26733000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26451000	shares
CY2023	us-gaap	Profit Loss ProfitLoss	-52361000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	-63900000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	-31224000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-594000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1426000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1624000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-52955000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-65326000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-29600000	usd
CY2023Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	54812000	usd
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	52371000	usd
CY2023Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	145764000	usd
CY2022Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	153879000	usd
CY2023Q2	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	44888000	usd
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CY2022Q2	us-gaap	Inventory Net InventoryNet	9974000	usd
CY2023Q2	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	496000	usd
CY2022Q2	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	13547000	usd
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CY2022Q2	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	4024000	usd
CY2023Q2	us-gaap	Other Assets Current OtherAssetsCurrent	3118000	usd
CY2022Q2	us-gaap	Other Assets Current OtherAssetsCurrent	8865000	usd
CY2023Q2	us-gaap	Assets Current AssetsCurrent	262256000	usd
CY2022Q2	us-gaap	Assets Current AssetsCurrent	287412000	usd
CY2023Q2	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	25000000	usd
CY2022Q2	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	25000000	usd
CY2023Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	47545000	usd
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CY2023Q2	us-gaap	Goodwill Goodwill	29120000	usd
CY2022Q2	us-gaap	Goodwill Goodwill	42135000	usd
CY2023Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	3066000	usd
CY2022Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	4796000	usd
CY2023Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	11718000	usd
CY2022Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	5514000	usd
CY2023Q2	us-gaap	Assets Assets	400504000	usd
CY2022Q2	us-gaap	Assets Assets	440793000	usd
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CY2023Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	85436000	usd
CY2022Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	65106000	usd
CY2023Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	13679000	usd
CY2022Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	21526000	usd
CY2023Q2	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	5579000	usd
CY2022Q2	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	6125000	usd
CY2023Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	4661000	usd
CY2022Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	5715000	usd
CY2023Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1815000	usd
CY2022Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	4427000	usd
CY2023Q2	us-gaap	Liabilities Current LiabilitiesCurrent	187535000	usd
CY2022Q2	us-gaap	Liabilities Current LiabilitiesCurrent	177785000	usd
CY2023Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	26000	usd
CY2022Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	26000	usd
CY2023Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	20660000	usd
CY2022Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	19904000	usd
CY2023Q2	us-gaap	Line Of Credit LineOfCredit	10000000	usd
CY2022Q2	us-gaap	Line Of Credit LineOfCredit	15000000	usd
CY2023Q2	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	799000	usd
CY2022Q2	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	372000	usd
CY2023Q2	us-gaap	Liabilities Liabilities	219020000	usd
CY2022Q2	us-gaap	Liabilities Liabilities	213087000	usd
CY2023Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q2	us-gaap	Common Stock Value CommonStockValue	279000	usd
CY2022Q2	us-gaap	Common Stock Value CommonStockValue	279000	usd
CY2023Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	140810000	usd
CY2022Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	139854000	usd
CY2023Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	58917000	usd
CY2022Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	111278000	usd
CY2023Q2	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-8769000	usd
CY2022Q2	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-8175000	usd
CY2023Q2	us-gaap	Stockholders Equity Before Treasury Stock StockholdersEquityBeforeTreasuryStock	191237000	usd
CY2022Q2	us-gaap	Stockholders Equity Before Treasury Stock StockholdersEquityBeforeTreasuryStock	243236000	usd
CY2023Q2	us-gaap	Treasury Stock Value TreasuryStockValue	9753000	usd
CY2022Q2	us-gaap	Treasury Stock Value TreasuryStockValue	15530000	usd
CY2023Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	181484000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	227706000	usd
CY2023Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	400504000	usd
CY2022Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	440793000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	-52361000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	-63900000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	13694000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	15254000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	17858000	usd
CY2023	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	12316000	usd
CY2022	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	18312000	usd
CY2021	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	6791000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	7877000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	8156000	usd
CY2023	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	0	usd
CY2022	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	0	usd
CY2021	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	454000	usd
CY2023	mtrx	Deferred Income Tax Expense Benefit Socf DeferredIncomeTaxExpenseBenefitSocf	0	usd
CY2022	mtrx	Deferred Income Tax Expense Benefit Socf DeferredIncomeTaxExpenseBenefitSocf	5358000	usd
CY2021	mtrx	Deferred Income Tax Expense Benefit Socf DeferredIncomeTaxExpenseBenefitSocf	889000	usd
CY2023	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	2841000	usd
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	33114000	usd
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	1201000	usd
CY2023	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-101000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	738000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	85000	usd
CY2023	us-gaap	Other Noncash Expense OtherNoncashExpense	0	usd
CY2022	us-gaap	Other Noncash Expense OtherNoncashExpense	1518000	usd
CY2021	us-gaap	Other Noncash Expense OtherNoncashExpense	0	usd
CY2023	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-248000	usd
CY2022	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-169000	usd
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-460000	usd
CY2023	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-8663000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	6587000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-11109000	usd
CY2023	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	136000	usd
CY2022	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	13978000	usd
CY2021	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	-28774000	usd
CY2023	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-2506000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	2632000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	882000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-10538000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	530000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	21916000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1210000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	13654000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-12387000	usd
CY2023	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	20330000	usd
CY2022	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	11274000	usd
CY2021	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-8610000	usd
CY2023	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-10610000	usd
CY2022	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-7609000	usd
CY2021	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	5464000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	10247000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-54196000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-2971000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9009000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3345000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4354000	usd
CY2023	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	6466000	usd
CY2022	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	39018000	usd
CY2021	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	2090000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2543000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	35673000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2264000	usd
CY2023	mtrx	Advances Under Senior Secured Revolving Credit Facility AdvancesUnderSeniorSecuredRevolvingCreditFacility	0	usd
CY2022	mtrx	Advances Under Senior Secured Revolving Credit Facility AdvancesUnderSeniorSecuredRevolvingCreditFacility	0	usd
CY2021	mtrx	Advances Under Senior Secured Revolving Credit Facility AdvancesUnderSeniorSecuredRevolvingCreditFacility	1125000	usd
CY2023	mtrx	Repayments Of Advances Under Senior Secured Revolving Credit Facility RepaymentsOfAdvancesUnderSeniorSecuredRevolvingCreditFacility	0	usd
CY2022	mtrx	Repayments Of Advances Under Senior Secured Revolving Credit Facility RepaymentsOfAdvancesUnderSeniorSecuredRevolvingCreditFacility	0	usd
CY2021	mtrx	Repayments Of Advances Under Senior Secured Revolving Credit Facility RepaymentsOfAdvancesUnderSeniorSecuredRevolvingCreditFacility	10913000	usd
CY2023	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	10000000	usd
CY2022	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	20000000	usd
CY2021	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	0	usd
CY2023	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	15000000	usd
CY2022	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	5000000	usd
CY2021	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	0	usd
CY2023	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1263000	usd
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1275000	usd
CY2023	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	usd
CY2022	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	199000	usd
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	349000	usd
CY2023	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	252000	usd
CY2022	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	270000	usd
CY2021	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	299000	usd
CY2023	us-gaap	Payments For Repurchase Of Other Equity PaymentsForRepurchaseOfOtherEquity	310000	usd
CY2022	us-gaap	Payments For Repurchase Of Other Equity PaymentsForRepurchaseOfOtherEquity	853000	usd
CY2021	us-gaap	Payments For Repurchase Of Other Equity PaymentsForRepurchaseOfOtherEquity	1554000	usd
CY2023	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	0	usd
CY2022	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	654000	usd
CY2021	us-gaap	Repayments Of Other Debt RepaymentsOfOtherDebt	355000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-5058000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	12699000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-12324000	usd
CY2023	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-205000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-683000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1401000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	2441000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-6507000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-16158000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	77371000	usd
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	83878000	usd
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	100036000	usd
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	79812000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	77371000	usd
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	83878000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-13337000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-2864000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	451000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	2093000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	2773000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	1834000	usd
CY2023	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	104000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	54000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	106000	usd
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	307889000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	-31224000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1624000	usd
CY2021	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	299000	usd
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	349000	usd
CY2021	mtrx	Issuance Of Deferred Shares IssuanceOfDeferredShares	0	usd
CY2021	mtrx	Other Treasury Share Purchases OtherTreasurySharePurchases	1554000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8156000	usd
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	285539000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	-63900000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1426000	usd
CY2022	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	270000	usd
CY2022	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	199000	usd
CY2022	mtrx	Issuance Of Deferred Shares IssuanceOfDeferredShares	0	usd
CY2022	mtrx	Other Treasury Share Purchases OtherTreasurySharePurchases	853000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7877000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	227706000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	-52361000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-594000	usd
CY2023	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	252000	usd
CY2023	mtrx	Issuance Of Deferred Shares IssuanceOfDeferredShares	0	usd
CY2023	mtrx	Other Treasury Share Purchases OtherTreasurySharePurchases	310000	usd
CY2023	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6791000	usd
CY2023Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	181484000	usd
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:9pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-top:9pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. We believe the most significant estimates and judgments are associated with revenue recognition, the recoverability tests that must be periodically performed with respect to our goodwill and other intangible assets, deferred tax assets, and the estimation of loss contingencies, including liabilities associated with litigation and with the self-insured retentions on our insurance programs. Actual results could materially differ from those estimates.</span></div>
CY2023Q2	us-gaap	Construction Contractor Receivable Retainage After Year One ConstructionContractorReceivableRetainageAfterYearOne	10000000	usd
CY2022Q2	us-gaap	Construction Contractor Receivable Retainage After Year One ConstructionContractorReceivableRetainageAfterYearOne	4000000	usd
CY2023Q2	us-gaap	Unapproved Change Orders Amount UnapprovedChangeOrdersAmount	9700000	usd
CY2022Q2	us-gaap	Unapproved Change Orders Amount UnapprovedChangeOrdersAmount	8900000	usd
CY2023Q2	us-gaap	Noncurrent Assets NoncurrentAssets	138248000	usd
CY2023Q2	us-gaap	Compensating Balance Amount CompensatingBalanceAmount	25000000	usd
CY2023Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	54812000	usd
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	52371000	usd
CY2023Q2	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	25000000	usd
CY2022Q2	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	25000000	usd
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	79812000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	77371000	usd
CY2023	mtrx	Changein Bie ChangeinBIE	20330000	usd
CY2023Q2	mtrx	Contract With Customer Current Liability Net ContractWithCustomerCurrentLiabilityNet	-40548000	usd
CY2022Q2	mtrx	Contract With Customer Current Liability Net ContractWithCustomerCurrentLiabilityNet	-20354000	usd
CY2023	mtrx	Changeinnetcontractbalances Changeinnetcontractbalances	-20194000	usd
CY2023	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	57900000	usd
CY2023Q2	us-gaap	Construction Contractor Receivable Retainage Year One ConstructionContractorReceivableRetainageYearOne	16300000	usd
CY2022Q2	us-gaap	Construction Contractor Receivable Retainage Year One ConstructionContractorReceivableRetainageYearOne	16100000	usd
CY2023Q2	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	459700000	usd
CY2023Q2	mtrx	Performanceobligationstoberecognizedasrevenuewithinnexttwelvemonths Performanceobligationstoberecognizedasrevenuewithinnexttwelvemonths	381000000	usd
CY2023Q2	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	44888000	usd
CY2022Q2	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	44752000	usd
CY2023	mtrx	Changein Cie ChangeinCIE	136000	usd
CY2023Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	85436000	usd
CY2022Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	65106000	usd
CY2023	us-gaap	Revenues Revenues	795020000	usd
CY2022	us-gaap	Revenues Revenues	707780000	usd
CY2021	us-gaap	Revenues Revenues	673398000	usd
CY2023	us-gaap	Revenues Revenues	795020000	usd
CY2021	us-gaap	Loss Contingency Related Receivable Carrying Value Period Increase Decrease LossContingencyRelatedReceivableCarryingValuePeriodIncreaseDecrease	2900000	usd
CY2021	us-gaap	Loss Contingency Receivable Proceeds LossContingencyReceivableProceeds	8900000	usd
CY2023Q2	mtrx	Land Buildings And Improvements Gross LandBuildingsAndImprovementsGross	37263000	usd
CY2022Q2	mtrx	Land Buildings And Improvements Gross LandBuildingsAndImprovementsGross	34788000	usd
CY2023Q2	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	84258000	usd
CY2022Q2	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	93036000	usd
CY2023Q2	mtrx	Transportation Equipment Gross TransportationEquipmentGross	40606000	usd
CY2022Q2	mtrx	Transportation Equipment Gross TransportationEquipmentGross	48999000	usd
CY2023Q2	mtrx	Office Equipment And Capitalized Computer Software Gross OfficeEquipmentAndCapitalizedComputerSoftwareGross	38178000	usd
CY2022Q2	mtrx	Office Equipment And Capitalized Computer Software Gross OfficeEquipmentAndCapitalizedComputerSoftwareGross	43823000	usd
CY2023Q2	us-gaap	Construction In Progress Gross ConstructionInProgressGross	84000	usd
CY2022Q2	us-gaap	Construction In Progress Gross ConstructionInProgressGross	1646000	usd
CY2023Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	200389000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	222292000	usd
CY2023Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	152844000	usd
CY2022Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	168423000	usd
CY2023Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	47545000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	53869000	usd
CY2022Q2	us-gaap	Noncurrent Assets NoncurrentAssets	153381000	usd
CY2021Q2	us-gaap	Noncurrent Assets NoncurrentAssets	176337000	usd
CY2023	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	6300000	usd
CY2023Q2	mtrx	Holdback Receivable HoldbackReceivable	400000	usd
CY2020Q2	us-gaap	Goodwill Goodwill	60369000	usd
CY2021	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	267000	usd
CY2021Q2	us-gaap	Goodwill Goodwill	60636000	usd
CY2022	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	18312000	usd
CY2022	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-189000	usd
CY2022Q2	us-gaap	Goodwill Goodwill	42135000	usd
CY2023	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	12316000	usd
CY2023Q2	us-gaap	Disposal Group Including Discontinued Operation Goodwill1 DisposalGroupIncludingDiscontinuedOperationGoodwill1	627000	usd
CY2023	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-72000	usd
CY2023Q2	us-gaap	Goodwill Goodwill	29120000	usd
CY2023Q2	mtrx	Goodwill Attributable To Reporting Units At Risk For Impairment GoodwillAttributableToReportingUnitsAtRiskForImpairment	20900000	usd
CY2023Q2	mtrx	Goodwill Attributable To Reporting Units At Risk For Impairment Subsequent Event GoodwillAttributableToReportingUnitsAtRiskForImpairmentSubsequentEvent	15400000	usd
	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	18300000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	15627000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	12561000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	3066000	usd
CY2022Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	19889000	usd
CY2022Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	15093000	usd
CY2022Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	4796000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1700000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1800000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2300000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	1415000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1096000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	555000	usd
CY2023Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	3066000	usd
CY2023	us-gaap	Line Of Credit Facility Initiation Date1 LineOfCreditFacilityInitiationDate1	2021-09-09
CY2023Q2	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	90000000	usd
CY2023Q2	mtrx	Available Increase In Borrowing Capacity AvailableIncreaseInBorrowingCapacity	15000000	usd
CY2023Q2	us-gaap	Compensating Balance Amount CompensatingBalanceAmount	25000000	usd
CY2023	us-gaap	Line Of Credit Facility Expiration Date1 LineOfCreditFacilityExpirationDate1	2026-09-09
CY2023Q2	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	67000000	usd
CY2023Q2	us-gaap	Line Of Credit LineOfCredit	10000000	usd
CY2023Q2	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	19300000	usd
CY2023Q2	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	37700000	usd
CY2023Q2	mtrx	Borrowing Base Minimum During Year BorrowingBaseMinimumDuringYear	67000000	usd
CY2023Q2	mtrx	Borrowing Base Maximum During Year BorrowingBaseMaximumDuringYear	83200000	usd
CY2023	mtrx	Asset Backed Credit Facility Adjusted Term Sofr One Month Add On AssetBackedCreditFacilityAdjustedTermSOFROneMonthAddOn	11.448
CY2023	mtrx	Asset Backed Credit Facility Adjusted Term Sofr Three Month Add On AssetBackedCreditFacilityAdjustedTermSOFRThreeMonthAddOn	26.161
CY2023	mtrx	Mtrx Asset Backed Credit Facility Federal Funds Rate Addition MtrxAssetBackedCreditFacility_FederalFundsRateAddition	0.0050	rate
CY2023	mtrx	Asset Backed Credit Facility Adjusted Term Sofr Rate Minimum AssetBackedCreditFacilityAdjustedTermSOFRRateMinimum	0.0100	rate
CY2023	mtrx	Alternate Base Rate Margin AlternateBaseRateMargin	0.0100	rate
CY2023	mtrx	Line Of Credit Basis Spread On Alternate Base Rate Minimum LineOfCreditBasisSpreadOnAlternateBaseRateMinimum	0.0100	rate
CY2023	mtrx	Line Of Credit Basis Spread On Alternate Base Rate Maximum LineOfCreditBasisSpreadOnAlternateBaseRateMaximum	0.0150	rate
CY2023	mtrx	Additional Margin On Adjusted Term Sofr Minimum AdditionalMarginOnAdjustedTermSOFRMinimum	0.0200	rate
CY2023	mtrx	Additional Margin On Adjusted Term Sofr Maximum AdditionalMarginOnAdjustedTermSOFRMaximum	0.0250	rate
CY2023	us-gaap	Line Of Credit Facility Unused Capacity Commitment Fee Percentage LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage	0.0025	rate
CY2023Q2	us-gaap	Line Of Credit Facility Interest Rate At Period End LineOfCreditFacilityInterestRateAtPeriodEnd	0.0747	rate
CY2023	mtrx	Asset Backed Credit Facility Fixed Charge Coverage Ratio Requirement AssetBackedCreditFacilityFixedChargeCoverageRatioRequirement	15000000	usd
CY2023	mtrx	Mtrx Asset Backed Lineof Credit Percentage Limitfor Fixed Charge Coverage Ratio MtrxAssetBackedLineofCreditPercentageLimitforFixedChargeCoverageRatio	0.1500	rate
CY2023	mtrx	Mtrx Asset Backed Lineof Credit Balance Limitfor Fixed Charge Coverage Ratio MtrxAssetBackedLineofCreditBalanceLimitforFixedChargeCoverageRatio	1.00	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-52636000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-53258000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-38867000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-125000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-5025000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-4396000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-52761000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-58283000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-43263000	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-369000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	230000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-13154000	usd
CY2023	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-31000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	28000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	465000	usd
CY2023	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	0	usd
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1000	usd
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	-239000	usd
CY2023	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-400000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	259000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-12928000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2504000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	774000	usd
CY2023	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2858000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-291000	usd
CY2023	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-4000	usd
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	406000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	5358000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	889000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-400000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5617000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-12039000	usd
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-11080000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-12239000	usd
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-9085000	usd
CY2023	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-2320000	usd
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-1971000	usd
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-1240000	usd
CY2023	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	0	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	1132000	usd
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	0	usd
CY2023	mtrx	Income Tax Reconciliation Charges Without Tax Benefit IncomeTaxReconciliationChargesWithoutTaxBenefit	-358000	usd
CY2022	mtrx	Income Tax Reconciliation Charges Without Tax Benefit IncomeTaxReconciliationChargesWithoutTaxBenefit	-265000	usd
CY2021	mtrx	Income Tax Reconciliation Charges Without Tax Benefit IncomeTaxReconciliationChargesWithoutTaxBenefit	-961000	usd
CY2023	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	12595000	usd
CY2022	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	17943000	usd
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	2797000	usd
CY2023	mtrx	Effectofnewaccountingstandardcomparedtooldstandard Effectofnewaccountingstandardcomparedtooldstandard	-1216000	usd
CY2022	mtrx	Effectofnewaccountingstandardcomparedtooldstandard Effectofnewaccountingstandardcomparedtooldstandard	-1019000	usd
CY2021	mtrx	Effectofnewaccountingstandardcomparedtooldstandard Effectofnewaccountingstandardcomparedtooldstandard	-1826000	usd
CY2023	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	1175000	usd
CY2022	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	613000	usd
CY2021	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	1707000	usd
CY2023	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	50000	usd
CY2022	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-232000	usd
CY2021	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-96000	usd
CY2023	us-gaap	Income Tax Reconciliation Prior Year Income Taxes IncomeTaxReconciliationPriorYearIncomeTaxes	0	usd
CY2022	us-gaap	Income Tax Reconciliation Prior Year Income Taxes IncomeTaxReconciliationPriorYearIncomeTaxes	141000	usd
CY2021	us-gaap	Income Tax Reconciliation Prior Year Income Taxes IncomeTaxReconciliationPriorYearIncomeTaxes	-5223000	usd
CY2023	us-gaap	Income Tax Reconciliation Tax Contingencies Other IncomeTaxReconciliationTaxContingenciesOther	-90000	usd
CY2022	us-gaap	Income Tax Reconciliation Tax Contingencies Other IncomeTaxReconciliationTaxContingenciesOther	-120000	usd
CY2021	us-gaap	Income Tax Reconciliation Tax Contingencies Other IncomeTaxReconciliationTaxContingenciesOther	-7000	usd
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	46000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	292000	usd
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-265000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-400000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5617000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-12039000	usd
CY2021	mtrx	Amount Of Non Deductible Goodwill Impaired AmountOfNonDeductibleGoodwillImpaired	5400000	usd
CY2021Q2	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	1500000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	rate
CY2022Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	26000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-26000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Warranty Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves	504000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Warranty Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves	1534000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	273000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	340000	usd
CY2023Q2	mtrx	Deferred Tax Assets Insurance Reserve DeferredTaxAssetsInsuranceReserve	913000	usd
CY2022Q2	mtrx	Deferred Tax Assets Insurance Reserve DeferredTaxAssetsInsuranceReserve	1035000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	26888000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	23717000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	964000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	1051000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	1794000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	1910000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	7218000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	5449000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	0	usd
CY2022Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	1427000	usd
CY2023Q2	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Research And Development Costs DeferredTaxLiabilitiesDeferredExpenseCapitalizedResearchAndDevelopmentCosts	6592000	usd
CY2022Q2	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Research And Development Costs DeferredTaxLiabilitiesDeferredExpenseCapitalizedResearchAndDevelopmentCosts	0	usd
CY2023Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1608000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1002000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	41060000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	28615000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	5694000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	8850000	usd
CY2023Q2	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	5472000	usd
CY2022Q2	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	7842000	usd
CY2023Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	248000	usd
CY2022Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1034000	usd
CY2023Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	5720000	usd
CY2022Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	8876000	usd
CY2023Q2	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-26000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-26000	usd
CY2023Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	0	usd
CY2022Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	0	usd
CY2023Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	26000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	-26000	usd
CY2023	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	13300000	usd
CY2023Q2	mtrx	Caresact Deferred Payroll Tax Liability CARESACTDeferredPayrollTaxLiability	5600000	usd
CY2023Q2	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	200000	usd
CY2021	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	500000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	6635000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	7511000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	8386000	usd
CY2023	us-gaap	Short Term Lease Cost ShortTermLeaseCost	29598000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	24225000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	25912000	usd
CY2023	us-gaap	Lease Cost LeaseCost	36233000	usd
CY2022	us-gaap	Lease Cost LeaseCost	31736000	usd
CY2021	us-gaap	Lease Cost LeaseCost	34298000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	5656000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	4283000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	4257000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	4172000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	3896000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	8950000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	31214000	usd
CY2023Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	5893000	usd
CY2023Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	25321000	usd
CY2023Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	4661000	usd
CY2023Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	20660000	usd
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	14.19
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	214017	shares
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	21.89
CY2023Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	1774949	shares
CY2023Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	10.66
CY2023Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y7M6D
CY2023Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.061
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	6618000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	5383000	usd
CY2023Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2023Q2	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	2707175	shares
CY2023	us-gaap	Line Of Credit Facility Dividend Restrictions LineOfCreditFacilityDividendRestrictions	2.5 million
CY2023Q2	us-gaap	Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased	1349037	shares
CY2023	mtrx	Other Treasury Shares Acquired OtherTreasurySharesAcquired	52864	shares
CY2022	mtrx	Other Treasury Shares Acquired OtherTreasurySharesAcquired	76703	shares
CY2021	mtrx	Other Treasury Shares Acquired OtherTreasurySharesAcquired	170629	shares
CY2023Q2	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	840899	shares
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	6800000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	7900000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	8200000	usd
CY2023Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	6900000	usd
CY2023	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y6M
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	1200000	usd
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	1000000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	1800000	usd
CY2023Q2	mtrx	Change In Shares Available Under Plan ChangeInSharesAvailableUnderPlan	625000	shares
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	1725000	shares
CY2023Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	2350000	shares
CY2023Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	1501880	shares
CY2023Q2	mtrx	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Method Numberof Simulations Used ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueMethodNumberofSimulationsUsed	100000	shares
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	1465788	shares
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	14.86
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CY2021	mtrx	Share Based Compensation Arrangement By Share Based Payment Award Deferred Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardDeferredGrantsInPeriod	665597	shares
CY2022	mtrx	Share Based Compensation Arrangement By Share Based Payment Award Deferred Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardDeferredWeightedAverageGrantDateFairValue	14.13
CY2021	mtrx	Share Based Compensation Arrangement By Share Based Payment Award Deferred Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardDeferredWeightedAverageGrantDateFairValue	10.60
CY2022	mtrx	Share Based Compensation Arrangement By Share Based Payment Award Deferred Shares Vested And Released ShareBasedCompensationArrangementByShareBasedPaymentAwardDeferredSharesVestedAndReleased	268403	shares
CY2021	mtrx	Share Based Compensation Arrangement By Share Based Payment Award Deferred Shares Vested And Released ShareBasedCompensationArrangementByShareBasedPaymentAwardDeferredSharesVestedAndReleased	515218	shares
CY2022Q2	mtrx	Share Based Compensation Arrangement By Share Based Payment Award Deferred Shares Vested And Released Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardDeferredSharesVestedAndReleasedWeightedAverageGrantDateFairValue	13.92
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CY2022	mtrx	Share Based Compensation Arrangement By Share Based Payment Award Deferred Cancellations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardDeferredCancellationsInPeriod	242743	shares
CY2021	mtrx	Share Based Compensation Arrangement By Share Based Payment Award Deferred Cancellations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardDeferredCancellationsInPeriod	119904	shares
CY2022Q2	mtrx	Share Based Compensation Arrangement By Share Based Payment Award Deferred Shares Cancelled Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardDeferredSharesCancelledWeightedAverageGrantDateFairValue	25.50
CY2021Q2	mtrx	Share Based Compensation Arrangement By Share Based Payment Award Deferred Shares Cancelled Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardDeferredSharesCancelledWeightedAverageGrantDateFairValue	20.67
CY2023	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	1500000	usd
CY2022	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	2600000	usd
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	2300000	usd
CY2023	us-gaap	Restricted Stock Expense RestrictedStockExpense	1300000	usd
CY2022	us-gaap	Restricted Stock Expense RestrictedStockExpense	600000	usd
CY2021	us-gaap	Restricted Stock Expense RestrictedStockExpense	1000000	usd
CY2023Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Aggregate Intrinsic Value Outstanding SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding	1700000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-52361000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-63900000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-31224000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26988000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26733000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26451000	shares
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.94
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.39
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.18
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26988000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26733000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26451000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26988000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26733000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26451000	shares
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.94
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.39
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.18
CY2023	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	97	shares
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	110	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	227	shares
CY2023	mtrx	Defined Contribution Plan Maximum Annual Contribution By Employee Percent DefinedContributionPlanMaximumAnnualContributionByEmployeePercent	0.25
CY2023	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	1
CY2023	mtrx	Percentage Of Employee Contribution As Base For Employer Contributions PercentageOfEmployeeContributionAsBaseForEmployerContributions	0.03
CY2023	mtrx	Defined Contribution Plan Employer Matching Contribution Percent For Two Percent Of Employee Contribution DefinedContributionPlanEmployerMatchingContributionPercentForTwoPercentOfEmployeeContribution	0.50
CY2023	mtrx	Percentage Of Employee Contribution As Base For Employer Contribution To Match PercentageOfEmployeeContributionAsBaseForEmployerContributionToMatch	0.02
CY2023	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	5300000	usd
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	5400000	usd
CY2023Q2	mtrx	Number Of Unions Contributed To NumberOfUnionsContributedTo	100
CY2023	us-gaap	Multiemployer Plan Pension Insignificant Employer Contribution Cost MultiemployerPlanPensionInsignificantEmployerContributionCost	3969000	usd
CY2023	us-gaap	Multiemployer Plan Pension Insignificant Employer Contribution Cost MultiemployerPlanPensionInsignificantEmployerContributionCost	3969000	usd
CY2023	us-gaap	Multiemployer Plan Pension Insignificant Employer Contribution Cost MultiemployerPlanPensionInsignificantEmployerContributionCost	3969000	usd
CY2022	us-gaap	Multiemployer Plan Pension Insignificant Employer Contribution Cost MultiemployerPlanPensionInsignificantEmployerContributionCost	3110000	usd
CY2021	us-gaap	Multiemployer Plan Pension Insignificant Employer Contribution Cost MultiemployerPlanPensionInsignificantEmployerContributionCost	3449000	usd
CY2023	us-gaap	Multiemployer Plan Employer Contribution Cost MultiemployerPlanEmployerContributionCost	23556000	usd
CY2022	us-gaap	Multiemployer Plan Employer Contribution Cost MultiemployerPlanEmployerContributionCost	16818000	usd
CY2021	us-gaap	Multiemployer Plan Employer Contribution Cost MultiemployerPlanEmployerContributionCost	15369000	usd
CY2023	mtrx	Employee Stock Purchase Plan Maximum Annual Share Purchase Limited To Aggregate Market Value EmployeeStockPurchasePlanMaximumAnnualSharePurchaseLimitedToAggregateMarketValue	60000	usd
CY2023	mtrx	Employee Stock Purchase Plan Maximum Number Of Shares Available For Issuance EmployeeStockPurchasePlanMaximumNumberOfSharesAvailableForIssuance	1000000	shares
CY2023	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	50139	shares
CY2022	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	29826	shares
CY2021	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	29171	shares
CY2023	mtrx	Grossrevenues Grossrevenues	800878000	usd
CY2023	us-gaap	Revenues Revenues	795020000	usd
CY2023	us-gaap	Gross Profit GrossProfit	30820000	usd
CY2023	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	68249000	usd
CY2023	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	15458000	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	-52887000	usd
CY2023Q2	us-gaap	Assets Assets	400504000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	9009000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	13694000	usd
CY2022	mtrx	Grossrevenues Grossrevenues	714850000	usd
CY2022	us-gaap	Revenues Revenues	707780000	usd
CY2022	us-gaap	Gross Profit GrossProfit	-1206000	usd
CY2022	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	67690000	usd
CY2022	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	18958000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	-87854000	usd
CY2022Q2	us-gaap	Assets Assets	440793000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	3345000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	15254000	usd
CY2021	mtrx	Grossrevenues Grossrevenues	679506000	usd
CY2021	us-gaap	Revenues Revenues	673398000	usd
CY2021	us-gaap	Gross Profit GrossProfit	32765000	usd
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	69756000	usd
CY2021	us-gaap	Restructuring Settlement And Impairment Provisions RestructuringSettlementAndImpairmentProvisions	6756000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	-43747000	usd
CY2021Q2	us-gaap	Assets Assets	467556000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4354000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	17858000	usd
CY2023	us-gaap	Severance Costs1 SeveranceCosts1	2787000	usd
CY2022	us-gaap	Severance Costs1 SeveranceCosts1	596000	usd
CY2021	us-gaap	Severance Costs1 SeveranceCosts1	5545000	usd
	us-gaap	Severance Costs1 SeveranceCosts1	17701000	usd
CY2023	us-gaap	Business Exit Costs1 BusinessExitCosts1	216000	usd
CY2022	us-gaap	Business Exit Costs1 BusinessExitCosts1	33000	usd
CY2021	us-gaap	Business Exit Costs1 BusinessExitCosts1	785000	usd
	us-gaap	Business Exit Costs1 BusinessExitCosts1	4746000	usd
CY2023	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0	usd
CY2022	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0	usd
CY2021	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	0	usd
	us-gaap	Impairment Of Intangible Assets Indefinitelived Excluding Goodwill ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill	1525000	usd
CY2023	us-gaap	Other Restructuring Costs OtherRestructuringCosts	139000	usd
CY2022	us-gaap	Other Restructuring Costs OtherRestructuringCosts	17000	usd
CY2021	us-gaap	Other Restructuring Costs OtherRestructuringCosts	426000	usd
	us-gaap	Other Restructuring Costs OtherRestructuringCosts	582000	usd
CY2023	us-gaap	Restructuring Charges RestructuringCharges	3142000	usd
CY2022	us-gaap	Restructuring Charges RestructuringCharges	646000	usd
CY2021	us-gaap	Restructuring Charges RestructuringCharges	6756000	usd
	us-gaap	Restructuring Charges RestructuringCharges	24554000	usd
CY2022Q2	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	29935000	usd
CY2023	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	12507000	usd
CY2023	us-gaap	Valuation Allowances And Reserves Charged To Other Accounts ValuationAllowancesAndReservesChargedToOtherAccounts	0	usd
CY2023	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	321000	usd
CY2023Q2	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	42121000	usd
CY2021Q2	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	12002000	usd
CY2022	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	18681000	usd
CY2022	us-gaap	Valuation Allowances And Reserves Charged To Other Accounts ValuationAllowancesAndReservesChargedToOtherAccounts	0	usd
CY2022	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	748000	usd
CY2022Q2	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	29935000	usd
CY2020Q2	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	8668000	usd
CY2021	us-gaap	Valuation Allowances And Reserves Charged To Cost And Expense ValuationAllowancesAndReservesChargedToCostAndExpense	2882000	usd
CY2021	us-gaap	Valuation Allowances And Reserves Charged To Other Accounts ValuationAllowancesAndReservesChargedToOtherAccounts	0	usd
CY2021	us-gaap	Valuation Allowances And Reserves Deductions ValuationAllowancesAndReservesDeductions	-452000	usd
CY2021Q2	us-gaap	Valuation Allowances And Reserves Balance ValuationAllowancesAndReservesBalance	12002000	usd

Files In Submission

Name	View Source	Status
mtrx-20230630_cal.xml	Edgar Link	unprocessable
mtrx-20230630_pre.xml	Edgar Link	unprocessable
0000866273-23-000058-index-headers.html	Edgar Link	pending
0000866273-23-000058-index.html	Edgar Link	pending
0000866273-23-000058.txt	Edgar Link	pending
0000866273-23-000058-xbrl.zip	Edgar Link	pending
exhibit21-mtrxx2023x06x30x.htm	Edgar Link	pending
exhibit23-mtrxx2023x06x30x.htm	Edgar Link	pending
exhibit311-mtrxx2023x06x30x.htm	Edgar Link	pending
exhibit312-mtrxx2023x06x30x.htm	Edgar Link	pending
exhibit321-mtrxx2023x06x30x.htm	Edgar Link	pending
exhibit322-mtrxx2023x06x30x.htm	Edgar Link	pending
exhibit95-mtrxx2023x06x30x.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
mtrx-20230630.htm	Edgar Link	pending
mtrx-20230630.xsd	Edgar Link	pending
mtrx-20230630_g1.jpg	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
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R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
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R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
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R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
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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
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R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
mtrx-20230630_htm.xml	Edgar Link	completed
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
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R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.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
mtrx-20230630_def.xml	Edgar Link	unprocessable
mtrx-20230630_lab.xml	Edgar Link	unprocessable

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$MTRX
MATRIX SERVICE CO Stock $mtrx

2023 Q3 Form 10-K Financial Statement

#000086627323000058 Filed on September 12, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MTRX MATRIX SERVICE CO Stock $mtrx

2023 Q3 Form 10-K Financial Statement

#000086627323000058 Filed on September 12, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MTRX
MATRIX SERVICE CO Stock $mtrx