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liabilities, non-current Other Liabilities, Noncurrent Segment Reporting [Abstract] Segment Reporting [Abstract] Goodwill Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Common stock — $0.01 par value; 60,000,000 shares authorized; 28,128,405 shares issued and outstanding at March 31, 2026; 27,888,217 shares issued and 27,610,486 shares outstanding as of June 30, 2025, respectively; Common Stock, Value, Issued Payment, Tax Withholding, Share-Based Payment Arrangement Payment, Tax Withholding, Share-Based Payment Arrangement Interest expense Interest Expense, Operating and Nonoperating Accrued wages and benefits Employee-related Liabilities, Current Contract with customer, revenue recognized Contract with Customer, Liability, Revenue Recognized Subsequent Event Type [Domain] Subsequent Event Type [Domain] Retained Earnings Retained Earnings [Member] Operating lease liabilities Operating Lease, 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Diluted EPS: Earnings Per Share, Diluted [Abstract] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Statement Condensed Consolidated Balance Sheets [Abstract] Statement Condensed Consolidated Balance Sheets [Abstract] Statement Condensed Consolidated Balance Sheets [Abstract] Treasury Stock, Shares, Acquired Treasury Stock, Shares, Acquired PEO Name PEO Name Operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Geographical [Axis] Geographical [Axis] Accrued expenses Increase (Decrease) in Accrued Liabilities Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Diluted Diluted weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Underlying Security Market Price Change Underlying Security Market Price Change, Percent Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning of Period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, End of Period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Accounts payable Increase (Decrease) in Accounts Payable Line of credit facility, borrowing base Line of Credit Facility, Current Borrowing Capacity Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Gross profit Gross profit Gross Profit Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Change in CIE Change in CIE Change in CIE from prior year to the current period. 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Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Other Treasury Share Purchases Other Treasury Share Purchases Other treasury share purchases. Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Computation of Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Segment Information Segment Reporting [Text Block] Expiration Date Trading Arrangement Expiration Date Contract retentions collectible beyond one year Construction Contractor, Receivable, Retainage, after Year One Equity Awards Adjustments Equity Awards Adjustments [Member] Summary of Revenue by Contract Type Disaggregation of Revenue [Table Text Block] Total liabilities and stockholders’ equity Liabilities and Equity Non-Rule 10b5-1 Arrangement Adopted Non-Rule 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Including Portion Attributable to Noncontrolling Interest Current assets: Assets, Current [Abstract] Income Statement [Abstract] Income Statement [Abstract] Stockholders’ equity: Equity, Attributable to Parent [Abstract] Treasury shares sold to Employee Stock Purchase Plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Document Transition Report Document Transition Report Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Provision for federal, state and foreign income taxes Income Tax Expense (Benefit) Change in BIE Change in BIE Change in BIE from the prior year to the current period. 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