Document and entity information.
Document And Entity Information
Statement [Table]
Statement [Table]
Statement [Line Items]
Statement
Document Type
Document Type
Document Annual Report
Document Period End Date
Document Period End Date
Document Transition Report
Entity File Number
Entity Registrant Name
Entity Registrant Name
Entity Incorporation, State or Country Code
Entity Tax Identification Number
Entity Address, Address Line One
Entity Address, City or Town
Entity Address, State or Province
Entity Address, Postal Zip Code
City Area Code
Local Phone Number
Title of 12(b) Security
Trading Symbol
Security Exchange Name
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Current Reporting Status
Entity Interactive Data Current
Entity Filer Category
Entity Filer Category
Entity Small Business
Entity Emerging Growth Company
Icfr Auditor Attestation Flag
Document Financial Statement Error Correction [Flag]
Entity Shell Company
Entity Public Float
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Documents Incorporated by Reference [Text Block]
Documents Incorporated by Reference
Auditor Firm ID
Auditor Location
Auditor Name
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Amendment Flag
Amendment Flag
CONSOLIDATED STATEMENTS OF EARNINGS
Revenue from Contract with Customer, Excluding Assessed Tax
Revenues
Totals
REVENUES
Cost of Revenue
Cost of revenues
Gross Profit
Gross profit
GROSS PROFIT
Selling, General and Administrative Expense
Selling, general and administrative expenses
Operating Income (Loss)
INCOME FROM OPERATIONS
Income from operations
Other Nonoperating Income (Expense)
Other income (loss), net
Other income, net
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest
Total income before income taxes
Income before income taxes
Income Tax Expense (Benefit)
Provision for income taxes
Provision for income taxes
NET INCOME
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
OTHER COMPREHENSIVE INCOME, NET OF TAXES
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Foreign currency translation adjustments
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax
Net unrealized gains (losses) on available-for-sale securities
Net unrealized gains (losses) on available-for-sale securities
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
COMPREHENSIVE INCOME
EARNINGS PER SHARE
EARNINGS PER SHARE
Earnings Per Share, Basic
Basic (in dollars per share)
Basic (in dollars per share)
Earnings Per Share, Diluted
Diluted (in dollars per share)
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
WEIGHTED AVERAGE SHARES OUTSTANDING
Weighted Average Number of Shares Outstanding, Basic
Basic (in shares)
Weighted average shares outstanding - basic
Weighted Average Number of Shares Outstanding, Diluted
Weighted average shares outstanding - diluted
Diluted (in shares)
Common Stock, Dividends, Per Share, Declared
Regular cash dividend declared per common stock
CASH DIVIDENDS PER SHARE
CONSOLIDATED BALANCE SHEETS
Assets [Abstract]
ASSETS
Assets, Current [Abstract]
CURRENT ASSETS
Cash and Cash Equivalents, at Carrying Value
Cash and cash equivalents
Investments
Investments
Total investments
Accounts Receivable, Net, Current
Accounts receivable, net
Contract with Customer, Asset, Net, Current
Contract assets
Other Assets, Current
Other current assets
Total other current assets
Assets, Current
Current assets
TOTAL CURRENT ASSETS
Property, Plant and Equipment, Net
Property, plant and equipment, net
Property, plant and equipment, net
Goodwill
Goodwill, Ending Balance
Goodwill, Beginning Balance
Goodwill
Goodwill, net
Intangible Assets, Net (Excluding Goodwill)
Intangible assets, net
Deferred Income Tax Assets, Net
Deferred taxes, net
The amount of lessee's right to use underlying asset under operating lease, and asset classified as other.
Operating Lease Right Of Use Asset, and Other Assets
Right-of-use and other assets
Assets
Total assets
TOTAL ASSETS
Liabilities and Equity [Abstract]
LIABILITIES AND STOCKHOLDERS' EQUITY
Liabilities, Current [Abstract]
CURRENT LIABILITIES
Accounts Payable, Current
Accounts payable
Accrued Liabilities, Current
Accrued expenses
Total accrued expenses
Contract with Customer, Liability, Current
Contract liabilities
Liabilities, Current
Current liabilities
TOTAL CURRENT LIABILITIES
Deferred Income Tax Liabilities, Net
Deferred taxes, net
Amount of obligation excluding deferred tax liability due after one year or beyond the normal operating cycle, if longer.
Liabilities, Noncurrent Excluding Deferred Tax Liability
Noncurrent liabilities
Liabilities
TOTAL LIABILITIES
Commitments and Contingencies
COMMITMENTS AND CONTINGENCIES (see Notes 9 and 10)
Stockholders' Equity Attributable to Parent [Abstract]
STOCKHOLDERS' EQUITY
Preferred Stock, Value, Issued
Preferred stock, par value $0.10 per share - 500,000 shares authorized; no shares issued and outstanding
Common Stock, Value, Issued
Common stock, par value $0.15 per share - 30,000,000 shares authorized; 15,828,289 shares issued; 13,950,712 and 13,634,214 shares outstanding at January 31, 2026 and 2025, respectively
Additional Paid in Capital, Common Stock
Additional paid-in capital
Retained Earnings (Accumulated Deficit)
Retained earnings
Treasury Stock, Value
Treasury stock, at cost - 1,877,577 and 2,194,075 shares at January 31, 2026 and 2025, respectively
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated other comprehensive income (loss)
Stockholders' Equity Attributable to Parent
Balance
Balance
TOTAL STOCKHOLDERS' EQUITY
Liabilities and Equity
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY
Preferred Stock, Par or Stated Value Per Share
Preferred stock, par value (in dollars per share)
Preferred Stock, Shares Authorized
Preferred stock, shares authorized
Preferred Stock, Shares Issued
Preferred stock, shares issued
Preferred Stock, Shares Outstanding
Preferred stock, shares outstanding
Common Stock, Par or Stated Value Per Share
Common stock, par value (in dollars per share)
Common Stock, Shares Authorized
Common stock, shares authorized
Common Stock, Shares, Issued
Common stock, shares issued
Common Stock, Shares, Outstanding
Common stock, shares outstanding
Treasury Stock, Shares
Treasury stock, shares
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
Equity Components [Axis]
Equity Component [Domain]
Common Stock [Member]
Common Stock
Additional Paid-in Capital
Retained Earnings
Treasury Stock
Accumulated Other Comprehensive Income (Loss)
Shares, Outstanding
Balances (in shares)
Balances (in shares)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Net income
Net income
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax
Foreign currency translation gain (loss)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition
Stock compensation expense
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture
Stock option exercises and restricted stock unit settlements, net
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture
Stock option exercises and restricted stock unit settlements, net (in shares)
Stock Repurchased During Period, Value
Common stock repurchases
Stock Repurchased During Period, Shares
Common stock repurchases (in shares)
Common stock repurchases (in shares)
Dividends, Common Stock, Cash
Cash dividends
CONSOLIDATED STATEMENTS OF CASH FLOWS
Net Cash Provided by (Used in) Operating Activities [Abstract]
CASH FLOWS FROM OPERATING ACTIVITIES
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Adjustments to reconcile net income to net cash provided by operating activities
Share-based Compensation
Stock compensation expense
Depreciation
Depreciation
Increase (Decrease) in Accrued Interest Receivable, Net
Changes in accrued interest on investments
Operating Lease, Right-of-Use Asset, Periodic Reduction
Non-cash lease expense
Deferred Income Tax Expense (Benefit)
Total
Deferred income tax expense
Other Noncash Income (Expense)
Other
Increase (Decrease) in Operating Capital [Abstract]
Changes in operating assets and liabilities
Increase (Decrease) in Accounts Receivable
Accounts receivable
Increase (Decrease) in Contract with Customer, Asset
Contract assets
Increase (Decrease) in Other Operating Assets
Other assets
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Accounts payable and accrued expenses
Increase (Decrease) in Contract with Customer, Liability
Contract liabilities
Net Cash Provided by (Used in) Operating Activities
Net cash provided by operating activities
Net Cash Provided by (Used in) Investing Activities [Abstract]
CASH FLOWS FROM INVESTING ACTIVITIES
Payments to Acquire Held-to-maturity Securities
Purchases of short-term investments
Proceeds from Sale of Held-to-maturity Securities
Maturities of short-term investments
Payments to Acquire Debt Securities, Available-for-Sale
Purchases of available-for-sale securities
Proceeds from Sale and Maturity of Marketable Securities
Maturities of available-for-sale securities
Payments to Acquire Property, Plant, and Equipment
Purchases of property, plant and equipment
Proceeds from Collection of Notes Receivable
Repayment of note receivable
Payments to Acquire Notes Receivable
Issuance of note receivable
Payments to Acquire Equity Method Investments
Investments in solar energy projects
Payment for equity method investment
Net Cash Provided by (Used in) Investing Activities
Net cash used in investing activities
Net Cash Provided by (Used in) Financing Activities [Abstract]
CASH FLOWS FROM FINANCING ACTIVITIES
Payments for Repurchase of Common Stock
Common stock repurchases
Payments of Ordinary Dividends, Common Stock
Payments of cash dividends
Amount of cash inflow from share-based award settlements, net of withholding taxes paid.
Proceeds From Share-Based Award Settlements, Net Of Withholding Taxes Paid
Settlements of share-based awards, net of withholding taxes paid
Net Cash Provided by (Used in) Financing Activities
Net cash used in financing activities
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
EFFECTS OF EXCHANGE RATE CHANGES ON CASH
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
CASH AND CASH EQUIVALENTS, END OF PERIOD
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
NON-CASH INVESTING AND FINANCING ACTIVITIES
Future cash outflow to pay for investments committed but not paid.
Investments Committed But Not Yet Paid
Investments in solar energy projects not yet paid
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Right-of-use assets obtained in exchange for lease obligations
Supplemental Cash Flow Information [Abstract]
SUPPLEMENTAL CASH FLOW INFORMATION
Income Taxes Paid, Net
Income Taxes Paid, Net, Total
Cash paid for income taxes, net of refunds
Cash paid for operating leases.
Operating Leases Paid
Cash paid for operating leases
DESCRIPTION OF THE BUSINESS AND BASIS OF PRESENTATION
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
DESCRIPTION OF THE BUSINESS AND BASIS OF PRESENTATION
REVENUES FROM CONTRACTS WITH CUSTOMERS
Revenue from Contract with Customer [Text Block]
REVENUES FROM CONTRACTS WITH CUSTOMERS
CASH, CASH EQUIVALENTS AND INVESTMENTS
Cash, Cash Equivalents, and Short-term Investments [Text Block]
CASH, CASH EQUIVALENTS AND INVESTMENTS
FAIR VALUE MEASUREMENTS
Fair Value Disclosures [Text Block]
FAIR VALUE MEASUREMENTS
ACCOUNTS RECEIVABLE
The disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include trade accounts receivables. Includes disclosure for allowance for credit losses.
Trade And Other Receivables Disclosure Text Block
ACCOUNTS RECEIVABLE
INTANGIBLE ASSETS
Intangible Assets Disclosure [Text Block]
INTANGIBLE ASSETS
PROPERTY, PLANT AND EQUIPMENT, NET.
Property, Plant and Equipment Disclosure [Text Block]
PROPERTY, PLANT AND EQUIPMENT, NET
FINANCING ARRANGEMENTS
Debt Disclosure [Text Block]
FINANCING ARRANGEMENTS
No definition available.
COMMITMENTS
Commitments Disclosure [Text Block]
COMMITMENTS
LEGAL CONTINGENCIES
Legal Matters and Contingencies [Text Block]
LEGAL CONTINGENCIES
STOCK-BASED COMPENSATION
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
STOCK-BASED COMPENSATION
INCOME TAXES
Income Tax Disclosure [Text Block]
INCOME TAXES
Earnings Per Share [Text Block]
EARNINGS PER SHARE
STOCKHOLDERS' EQUITY
Equity [Text Block]
STOCKHOLDERS' EQUITY
CUSTOMER CONCENTRATIONS
Concentration Risk Disclosure [Text Block]
CUSTOMER CONCENTRATIONS
SEGMENT REPORTING
Segment Reporting Disclosure [Text Block]
SEGMENT REPORTING
Na
SUPPLEMENTAL FINANCIAL STATEMENT INFORMATION
Additional Financial Information Disclosure [Text Block]
SUPPLEMENTAL FINANCIAL STATEMENT INFORMATION
Consolidation, Policy [Policy Text Block]
Description of the Business
Basis of Accounting, Policy [Policy Text Block]
Basis of Presentation and Significant Accounting Policies
Use of Estimates, Policy [Policy Text Block]
Use of Estimates
Revenue Recognition, Policy [Policy Text Block]
Revenue Recognition
Accounts Receivable [Policy Text Block]
Allowances for Accounts Receivable
Cash and Cash Equivalents, Policy [Policy Text Block]
Cash Equivalents
Disclosure of accounting policy for available-for-sale securities.
Available-For-Sale Securities [Policy Text Block]
Available-For-Sale Securities
Inventory, Policy [Policy Text Block]
Inventory
Disclosure of accounting policy for the shipping and handling cost.
Shipping And Handling Cost Expenses, Policy [Policy Text Block]
Shipping and Handling Costs
Property, Plant and Equipment, Policy [Policy Text Block]
Property, Plant and Equipment
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
Goodwill
Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block]
Long-Lived Assets
Lessee, Leases [Policy Text Block]
Leases
Income Tax, Policy [Policy Text Block]
Income Taxes
Disclosure of accounting policy for investment in entities with tax credits.
Investment in Tax Credit Entities, Policy [Policy Text Block]
Tax Credit Investments
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]
Share-Based Payments
Fair Value of Financial Instruments, Policy [Policy Text Block]
Fair Value of Financial Instruments
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Foreign Currency Translation
Disclosure of accounting policy for treasury stock.
Treasury Stock [Policy Text Block]
Treasury Stock
Earnings Per Share, Policy [Policy Text Block]
Net Income Per Share
New Accounting Pronouncements, Policy [Policy Text Block]
Recently Issued Accounting Pronouncements
Disaggregation of Revenue [Table Text Block]
Schedule of consolidated revenues disaggregated by geographical area
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
Schedule of revenues recognized from contract liabilities
Investment [Table Text Block]
Summary of investments
Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]
Schedule of available-for-sale securities
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
Schedule of financial instruments recorded at fair value on a recurring basis
Schedule of Goodwill [Table Text Block]
Schedule of changes in the balances of goodwill
Tabular disclosure of amortizable finite-lived intangible assets, in total and by major class, including the gross carrying amount and accumulated amortization, and indefinite-lived intangible assets not subject to amortization, excluding goodwill, in total and by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.
Schedule Of Finite-Lived and Indefinite-Lived Intangible Assets by Major Class [Table Text Block]
Schedule of company's purchased intangible assets, other than goodwill
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Schedule of expected amortization expense
Property, Plant and Equipment [Table Text Block]
Summary of property, plant and equipment
Long-Lived Assets by Geographic Areas [Table Text Block]
Schedule of property, plant and equipment, net, disaggregated by geographic area
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
Schedule of future minimum lease payments for the operating leases
Tabular disclosure of lease term and discount rates of operating leases of lessee.
Schedule of Lease Term and Discount Rates of Operating Leases of Lessee [Table Text Block]
Summary of lease terms and discount rates for its operating leases
Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
Schedule of changes in the maximum number of shares of common stock issuable pursuant to outstanding restricted stock units
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Schedule of stock option activity under the Company's stock plans
Schedule of Nonvested Share Activity [Table Text Block]
Schedule of changes in the number of non-vested options to purchase shares of common stock
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Summary of income before income taxes
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of components of the amounts of income tax expense
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Schedule of provision for income tax expense amounts
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
Schedule of uncertain income tax
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Schedule of effects of temporary differences that are reflected in deferred taxes
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
Schedule of income taxes paid (net of refunds received)
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Schedule of basic and diluted earnings per share
Dividends Declared [Table Text Block]
Schedule of dividends paid
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
schedule of the percentage of consolidated revenues
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Schedule of operating results and financial position data of the Company's reportable segments
Schedule of Other Current Assets [Table Text Block]
Schedule of other current assets
Schedule of Accrued Liabilities [Table Text Block]
Schedule of accrued expenses
Schedule Of Description Of Business [Table]
Schedule Of Description Of Business [Table]
Schedule Of Description Of Business [Table]
Range [Axis]
Range [Domain]
Minimum
Minimum
Maximum
Maximum
Title of Individual [Axis]
Title of Individual [Domain]
Senior executives
StockPlanMember
Represents information pertaining to performance-based restricted stock units.
Performance-based restricted stock units
Performance-based restricted stock units
Represents the information pertaining to Time based Restricted Stock Units.
Time Based Restricted Stock Units
Time-based restricted stock units
Stock Plans
Plan Name [Axis]
Plan Name [Domain]
n/a
Stock Plan [Member]
Stock Plan
Schedule Of Description Of Business [Line Items]
Schedule Of Description Of Business [Line Items]
Description of the Business
Number of Reportable Segments
Number of reportable segments
Represents the information pertaining to warranty provisions covering defects in equipment, materials etc.. after the completion of construction.
Warranty Period for Construction Contracts
Warranty period
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period
Incentive stock option award maximum expiration period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage
Initial vesting percentage
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Period to become exercisable
Represents the percentage reduction in the aggregate fair value of stock option
Percentage Reduction In The Aggregate Fair Value Of Stock Option
Percentage reduction in the aggregate fair value of stock option
The period of monthly closing prices used for the estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Period For Monthly Closing Prices
Period used for calculations
Property, Plant and Equipment, Useful Life
Estimated useful lives of the assets
Useful Life
Lessee, Operating Lease, Existence of Option to Extend [true false]
Operating leases, options to extend
Lessee, Operating Lease, Existence of Option to Terminate [true false]
Operating leases, options to terminate
Represents the percentage of the maximum shares for the target number of shares awarded.
Percentage Of Maximum shares For The Target Number Of Shares Awarded
Percentage of the maximum shares for the target number of shares awarded
Disaggregation of Revenues [Table]
Geographical [Axis]
Geographical [Domain]
United States
United States
Republic of Ireland
Republic of Ireland
United Kingdom
United Kingdom
Products and Services [Axis]
Products and Services [Domain]
Project development services.
Project development success fees
Project development activities
Disaggregation of Revenue [Line Items]
Disaggregation of Revenues
Contract with Customer, Liability, Revenue Recognized
Revenues recognized from contract liabilities
The amounts retained by project owners under construction contracts.
Retained Amount Under Construction Contracts
Retained amounts by project owners
Amounts of unpriced change orders included in transaction prices.
N Priced Change Orders Included In Transaction Prices
Amounts of unpriced change orders included in transaction prices
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction
REVENUES FROM CONTRACTS WITH CUSTOMERS
Revenue, Remaining Performance Obligation
Contract backlog amount
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period
Performance period
Revenue, Remaining Performance Obligation, Percentage
Contract backlog (as percent)
The amount of estimated loss.
Estimated Loss
Estimated loss
The amount of estimated loss including reversal of net gross profit recorded in previous years.
Estimated Loss, Including Reversal Of Net Gross Profit Recorded In Previous Years
Estimated loss, including reversal of net gross profit
Schedule of Cash and Cash Equivalents [Table]
Schedule of Cash and Cash Equivalents [Table]
Debt Security Category [Axis]
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain]
Held-to-maturity Securities
Held-to-maturity Securities
Cash and Cash Equivalents [Line Items]
Cash and Cash Equivalents
Dividends earned but not yet received by the entity on its investments.
Accrued Investment Income, Dividend Receivable
Accrued dividends
Represents the maturity period of investments.
Investment Maturity Period
Maturity period
Interest Receivable
Accrued interest
Short-Term Investments
Short-term investments
Debt Securities, Available-for-Sale
Available-for-sale securities
Estimated Fair Value
Financial Instrument [Axis]
Financial Instruments [Domain]
US Treasury Notes Securities [Member]
US Treasury notes
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Current
Interest receivable
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Current, Statement of Financial Position [Extensible Enumeration]
Proceeds from Sale of Debt Securities, Available-for-Sale
Proceeds from sale of debt securities, available-for-sale
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax
Amounts of gains or losses reclassified out of other comprehensive income
en-US Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract]
Available-for-sale securities
Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year to second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year within one year
Amortized Cost, Due within one year
Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year to third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One to Three
Amortized Cost, Due in one to three years
Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in third fiscal year though five fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year Three to Five
Amortized Cost, Due in three to five years
Debt Securities, Available-for-Sale, Amortized Cost
Amortized Cost
Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Within One Year
Gross Unrealized Gains, Due within one year
Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax after Year One Through Three
Gross Unrealized Gains, Due in one to three years
Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, Before Tax After Year Three Through Five
Gross Unrealized Gains, Due in three to five years
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax
Gross Unrealized Gains
Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) maturing in first and second fiscal year following current fiscal year.
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax after within one year
Gross Unrealized Losses, Due within one year
Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) maturing in first and third fiscal year following current fiscal year.
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax after Year One Through Three
Gross Unrealized Losses, Due in one to three years
Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) maturing in third and five fiscal year following current fiscal year.
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax after Year Three Through Five
Gross Unrealized Losses, Due in three to five years
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax
Gross Unrealized Losses
Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year to second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year within one year
Estimated Fair Value, Due within one year
Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year to third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One to Three
Estimated Fair Value, Due in one to three years
Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in third fiscal year through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year Three to Five
Estimated Fair Value, Due in three to five years
Investment Income, Nonoperating
Earnings on investments
Represents the percentage of weighted average annual yields on outstanding invested funds and interest-bearing cash account balances.
Weighted Average Annual Yield On Outstanding Invested Funds And Interest Bearing Cash Account Balances
Weighted average annual yield
Percentage of entity's cash and cash equivalents and investments held by foreign subsidiaries.
Percentage of Cash and Cash Equivalents And Investments Held by Foreign Subsidiaries
Percentage of cash and cash equivalents and investments held by foreign subsidiaries
Fair Value, Recurring and Nonrecurring [Table]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Domain]
Level 1 Inputs
Level 1 Inputs
Level 2 Inputs
Level 2 Inputs
Measurement Frequency [Axis]
Measurement Frequency [Domain]
Fair value, recurring
Fair value, recurring
Money market funds
Money market funds
US Treasury Securities [Member]
U.S. Treasury notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets and liabilities measured on recurring and nonrecurring basis
Cash and Cash Equivalents, Fair Value Disclosure
Cash equivalents
Assets, Fair Value Disclosure
Totals
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]
Represents information pertaining to overseas project.
Overseas Project [Member]
Overseas Project
Accounts, Notes, Loans and Financing Receivable [Line Items]
ACCOUNTS RECEIVABLE
Amounts due from billable services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the Company and, at a minimum, one other party. An example would be amounts billed to customers under contracts or programs but not paid as of the balance sheet date.
Billable Contracts Receivables
Billable amounts
Financing Receivable, Allowance for Credit Loss, Current
Allowance for credit losses
Schedule of Goodwill [Table]
Segments [Axis]
Segments [Domain]
Power industry services.
Power Industry Services
Power Services
Represents information pertaining to industrial construction services.
Industrial Construction Services [Member]
Industrial Construction Services
Telecommunications infrastructure services.
Telecommunications Infrastructure Services.
Teledata Services
Goodwill [Line Items]
Goodwill
Goodwill [Roll Forward]
Change in goodwill
Goodwill, Impaired, Accumulated Impairment Loss [Abstract]
Components of goodwill
Goodwill, Gross
Goodwill
Goodwill, Impaired, Accumulated Impairment Loss
Accumulated impairment losses
Schedule of Finite-Lived Intangible Assets [Table]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Trade name
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets
Finite-Lived Intangible Asset, Useful Life
Estimated Useful Life (in years)
Finite-Lived Intangible Assets, Gross
Gross Amounts
Finite-Lived Intangible Assets, Accumulated Amortization
Accumulated Amortization
Finite-Lived Intangible Assets, Net
Net Amounts
Amount of additions to other intangible assets.
Additions To Other Intangible Assets
Additions to other intangible assets
Impairment of Intangible Assets (Excluding Goodwill)
Additions to impairment losses
Amortization of Intangible Assets
Amortization of intangibles
Intangible Assets, Net (Including Goodwill) [Abstract]
Indefinite-Lived Intangible Assets
Period of amortization of goodwill for income tax purpose.
Period Of Amortization Of Goodwill For Income Tax Purpose
Period of amortization of goodwill for income tax purpose
Business Acquisition, Goodwill, Expected Tax Deductible Amount
Goodwill allocated for income tax reporting purposes
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months
2027
Finite-Lived Intangible Assets, Amortization Expense, Year Two
2028
Finite-Lived Intangible Assets, Amortization Expense, Year Three
2029
Finite-Lived Intangible Assets, Amortization Expense, Year Four
2030
Finite-Lived Intangible Assets, Amortization Expense, Year Five
2031
Property, Plant and Equipment [Table]
Property, Plant and Equipment [Table]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Land and Improvements [Member]
Land and improvements
Building and Improvements [Member]
Building and improvements
Furniture machinery and equipment.
Furniture, Machinery and Equipment [Member]
Furniture, machinery and equipment
Trucks and Other Vehicles [Member]
Trucks, trailers and other vehicles
Leasehold Improvements [Member]
Leasehold improvements
Building [Member]
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net
Property, Plant and Equipment, Gross
Property and equipment, gross
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Accumulated depreciation
Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration]
Cost of Property Repairs and Maintenance
Costs of maintenance and repairs
Line of Credit Facility [Table]
Credit Facility [Axis]
Credit Facility [Domain]
Line of Credit [Member]
Revolving Credit Facility
Letter of Credit
Scenario [Axis]
Scenario, Unspecified [Domain]
Represents information pertaining to letters of credit expire on May 31, 2027.
Expires on May 31, 2027 [Member]
Expires on May 31, 2027
Line of Credit Facility [Line Items]
Financing Arrangements
Line of Credit Facility, Maximum Borrowing Capacity
Borrowing available under financing arrangements
Debt Instrument, Basis Spread on Variable Rate
Interest rate margin on referred rate
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]
The contingent increase above the maximum borrowing capacity under the credit facility, if any one or more of the existing banks or new banks agree to provide such increased commitment amount.
Line of Credit Facility Contingent Increase, Additional Borrowing Capacity
Additional commitment amount
Letters of Credit Outstanding, Amount
Letters of credit outstanding amount
Represents commitments by the Company.
Commitments Table
Income Statement Location [Axis]
Income Statement Location [Domain]
Costs of Revenues [Member]
No definition available.
Commitments [Line Items]
Commitments
Operating lease, right-of-use assets
Right-of-use assets
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]
Operating Lease, Expense
Operating lease expense
Operating Lease, Weighted Average Remaining Lease Term
Weighted average remaining lease term
Operating Lease, Weighted Average Discount Rate, Percent
Weighted average discount rate
The amount operating lease and short-term rental agreements expenses.
Operating Lease And Short-Term Rental Agreements Expense
Short-term rentals expense
Operating Lease Liabilities, Payments Due [Abstract]
Operating Leases
Lessee, Operating Lease, Liability, to be Paid, Year One
2027
Lessee, Operating Lease, Liability, Payments, Due Year Two
2028
Lessee, Operating Lease, Liability, Payments, Due Year Three
2029
Lessee, Operating Lease, Liability, Payments, Due Year Four
2030
Lessee, Operating Lease, Liability, Payments, Due Year Five
2031
Lessee, Operating Lease, Liability, Payments, Due after Year Five
Thereafter
Lessee, Operating Lease, Liability, Payments, Due
Total lease payments
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Less imputed interest
Operating Lease, Liability
Present value of lease payments
Operating Lease, Liability, Current
Less current portion (included in accrued expenses)
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]
Less current portion (included in accrued expenses)
Operating Lease, Liability, Noncurrent
Non-current portion (included in noncurrent liabilities)
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]
Non-current portion (included in noncurrent liabilities)
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Gemma power systems.
GPS
Guarantor Obligations, Nature [Axis]
Guarantor Obligations, Nature [Domain]
Financial guarantee
Represents information pertaining to remaining bonded performance obligations.
Remaining Bonded Performance Obligations
Unsatisfied bonded performance obligations
Guarantor Obligations, Maximum Exposure, Undiscounted
Guarantor obligation maximum exposure
Defined Contribution Plan [Table]
Defined Contribution Plan Disclosure [Line Items]
Employee Benefit Plans
Defined Contribution Plan, Cost Recognized
Company's expense for defined contribution savings plans
The period whereby incentive compensation earned by key employees are deferred by employer in a non-qualified plan.
Defined Contribution Plan, Non-qualified Plan, Deferral Period by Employer Election
Deferred period
The period whereby the key employees may elect to defer portions of their compensation in a non-qualified plan.
Defined Contribution Plan, Non-qualified Plan, Deferral Period by Employee Election
Nonqualified deferred compensation, minimum deferral period
Loss Contingencies [Table]
Legal Entity [Axis]
Entity [Domain]
Represents the information pertaining to Atlantic Projects Company (UK) Limited ("APC UK"), who is subsidiary company of APC.
Atlantic Projects Company (UK) Limited [Member]
U.K. subsidiary
Loss Contingencies [Line Items]
LEGAL CONTINGENCIES
Amount available under letter of credit.
Letter Of Credit, Amount
Account receivable amount
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Outstanding, Ending balance (in shares)
Outstanding, Beginning balance (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Issued (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Weighted Average Grant Date Fair Value Per Share
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Outstanding, Ending balance Fair value (Per share)
Outstanding, Beginning balance Fair value (Per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Granted, Fair value (Per share)
The weighted average fair value at grant date of equity instruments other than options issued during the period.
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Issued in Period, Weighted Average Grant Date Fair Value
Issued, Fair value (Per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Forfeited, Fair value (Per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value
Total fair values
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Shares, Outstanding, Ending balance
Shares, Outstanding, Beginning balance
Number of shares of awarded stock options outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Shares, Granted
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Shares, Exercised
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Shares, Exercisable
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Shares, Vested or expected to vest
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Weighted Average Exercise Price Per Share, Outstanding, Ending balance
Weighted Average Exercise Price Per Share, Outstanding, Beginning balance
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Weighted Average Exercise Price Per Share, Granted
Weighted-average exercise price per share
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Weighted Average Exercise Price Per Share, Exercised
Weighted-average exercise price per share
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Weighted Average Exercise Price Per Share, Exercisable
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
Weighted Average Exercise Price Per Share, Vested or expected to vest
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Weighted Average Remaining Contractual Term (Years), Outstanding
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Weighted Average Remaining Contractual Term (Years), Exercisable
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term
Weighted Average Remaining Contractual Term (Years), Vested or expected to vest
Share based compensation arrangement by share based payment award equity instruments stock option outstanding weighted average grant date fair value.
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Stock Option Outstanding Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value Per Share, Outstanding
Share based compensation arrangement by share based payment award equity instruments stock option exercisable weighted average grant date fair value.
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Stock Option Exercisable Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value Per Share, Exercisable
Weighted average grant-date fair value of options vested and expected to vest.
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value Per Share, Vested or expected to vest
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares
Shares, Non-vested, Ending balance
Shares, Non-vested, Beginning balance
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares
Shares, Vested
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value Per Share, Non-vested, Ending balance
Weighted Average Grant Date Fair Value Per Share, Non-vested, Beginning balance
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value Per Share, Granted
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value Per Share, Vested
Represents information pertaining to earnings per share performance-based restricted stock units.
Earnings Per Share Performance Based Restricted Stock Units [Member]
Earnings per share performance-based restricted stock units
Represents the information pertaining to Renewable Performance Based Restricted Stock Units.
Renewable Performance-Based Restricted Stock Units
Renewable energy performance-based restricted stock units
Represents information pertaining to the 2020 plan.
2020 Plan
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Unrecognized compensation cost
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Compensation expense recognize, period
Represents the number of shares issuable under restricted stock units awarded during the period.
NumberOfSharesIssuableUnderRestrictedStocksUnitsAwardedDuringPeriod
The number of shares issuable under restricted stock units awarded during the period
Common stock allocated for issuance
Number of shares of common stock reserved for issuance
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Number of shares of common stock available for award
Number of treasury stock used to settle stock option exercises and other stock share based awards.
Treasury Stock, Settlement of Stock Option Exercises and Other Share Based Awards
Treasury stock to settle stock option exercises and other share-based awards
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation
Shares paid for tax withholding for share based compensation
Average price of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.
Share-Based Payment Arrangement, Average Price Per Share Of Shares Withheld for Tax Withholding Obligation
Share-based payment
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
Intrinsic value of the stock options exercised
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Intrinsic value of outstanding stock options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
Intrinsic value of exercisable stock options
Income (Loss) from Continuing Operations before Income Taxes, Domestic
Domestic
Income (Loss) from Continuing Operations before Income Taxes, Foreign
Foreign
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current:
Current Federal Tax Expense (Benefit)
Federal
Current State and Local Tax Expense (Benefit)
State and local
Current Foreign Tax Expense (Benefit)
Foreign
Current Income Tax Expense (Benefit)
Total
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Deferred:
Deferred Federal Income Tax Expense (Benefit)
Federal
Deferred State and Local Income Tax Expense (Benefit)
State and local
Deferred Foreign Income Tax Expense (Benefit)
Foreign
Effective Income Tax Rate Reconciliation [Table]
Income Tax Jurisdiction [Axis]
Income Tax Jurisdiction [Domain]
Foreign Tax Jurisdiction [Member]
Foreign Country
Effective Income Tax Rate Reconciliation [Line Items]
INCOME TAXES
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
Amount
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
U.S. statutory federal income tax expense
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
State income taxes, net of federal tax effect
Effective Income Tax Rate Reconciliation, State and Local Jurisdiction, Contribution Greater than 50 Percent, Tax Effect [Extensible Enumeration]
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount
Foreign tax rate differential
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
Change in valuation allowance for NOLs
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
Other
Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Amount
Effect of cross-border tax laws
Effective Income Tax Rate Reconciliation, Tax Credit, Amount [Abstract]
Tax credits:
Effective Income Tax Rate Reconciliation, Tax Credit, Investment, Amount
Net benefit related to Solar Tax Credit investments
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to investment tax credit.
Effective Income Tax Rate Reconciliation, Tax Credit, Investments
Net expense related to STC investments
Percentage of reported income tax expense (benefit) from difference to expected income tax expense (benefit) computed by applying statutory federal (national) income tax rate to pretax income (loss) from continuing operation, attributable to cross-border tax law.
Effective Income Tax Rate Reconciliations, Cross-Border Tax Effect, Percent
Net benefit related to Solar Tax Credit investments
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount [Abstract]
Nontaxable or nondeductible items:
Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for excess executive compensation.
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Excess Executive Compensation, Amount
Executive compensation limitation
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to adjustments to valuations for foreign NOLs.
Effective Income Tax Rate Reconciliation, Adjustments to Valuations for Foreign NOLs, Amount
Adjustment to valuation for foreign NOLs
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Meals and Entertainment, Amount
Meals and entertainment expense
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to favorable changes in tax laws or regulations regarding stock-based compensation that creates a windfall.
Effective Income Tax Rate Reconciliation, Deduction, Share Based Compensation Windfall
Stock-based compensation windfall
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes or nondeductible expenses, classified as other.
Income Tax Reconciliation Tax Exempt Income Or Nondeductible Expense, Other
Other
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount
Other permanent differences, net
Tax Jurisdiction of Domicile [Extensible Enumeration]
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Percent
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Federal corporate income tax rate
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
State and local income taxes, net of federal tax effect(1)
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent
Statutory rate difference
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent
Change in valuation allowance for NOLs
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
Other
Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Percent
Effect of cross-border tax laws
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent [Abstract]
Nontaxable or nondeductible items:
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to executive compensation limitation.
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Excess Executive Compensation, Percent
Executive compensation limitation
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from Stock-based compensation windfall.
Effective Income Tax Rate Reconciliation, Share Based Compensation Windfall
Stock-based compensation windfall
Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes or nondeductible expenses, classified as other.
Effective Income Tax Rate Reconciliation, Tax Exempt Income Or Nondeductible Expense, Other
Other
Effective Income Tax Rate Reconciliation, Percent
Provision for income taxes
Operating Loss Carryforwards [Table]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards
Represents the increase in loss carryback period for certain losses.
Increase In Loss Carryback Period For Certain Losses
Increase in loss carryback period for certain losses
Deferred Income Taxes and Other Tax Receivable, Current
Income tax receivable
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount
Federal research and development tax credits
Amount of decrease in unrecognized tax benefits resulting from research and development tax credit.
Unrecognized Tax Benefits, Decrease Resulting from Research And Development Tax Credit
Development tax credit
Deferred Tax Assets, Operating Loss Carryforwards, Foreign
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount
Unrecognized Tax Benefits
Unrecognized Tax Benefits, end of fiscal year
Unrecognized Tax Benefits, beginning of fiscal year
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions
Increases related to prior period income tax positions
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions
Increases related to current period income tax positions
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations
Expirations of statutes of limitations
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities
Settlements
Amount of decrease in unrecognized tax benefits resulting from acquisitions.
Unrecognized Tax Benefit Contract Assets
Gross unrecognized income tax benefits
Components of Deferred Tax Assets [Abstract]
Assets:
Deferred Tax Assets, Operating Loss Carryforwards
Net operating loss carryforwards
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities
Accrued expenses
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from lease liabilities.
Deferred Tax Assets, Lease Liabilities
Lease liabilities
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost
Stock awards
Deferred Tax Assets, Other
Other
Amount, before allocation of valuation allowances, of deferred tax asset attributable to deductible differences from deferred research and development cost.
Deferred Tax Assets, Deferred Research and Development Cost
Research and development costs deferral
Deferred Tax Assets, Gross
Total Assets
Components of Deferred Tax Liabilities [Abstract]
Liabilities:
Deferred Tax Liabilities, Intangible Assets
Intangibles
Deferred tax liabilities construction contracts.
Deferred Tax Liabilities Construction Contracts
Construction contracts
Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment and other temporary differences not separately disclosed.
Deferred Tax Liabilities, Property, Plant and Equipment and Other
Property and equipment
Amount of deferred tax consequences attributable to taxable temporary differences derived from right of use assets.
Deferred Tax Liabilities, Right of Use Assets
Right-of-use assets
Deferred Tax Liabilities, Other
Other
Deferred Tax Liabilities, Gross
Total Liabilities
Deferred Tax Assets, Valuation Allowance
Valuation allowances
Deferred Tax Liabilities, Net
Deferred taxes, net
Deferred Tax Assets, Net
Deferred taxes, net
Net operating loss carry forward
Net operating losses
Income Tax Paid, by Individual Jurisdiction [Table]
State and Local Jurisdiction [Member]
State and local
ILLINOIS
Illinois
State and Local Tax Jurisdiction, Other [Member]
Other
Income Tax Paid, by Individual Jurisdiction [Line Items]
INCOME TAXES
Income Tax Paid, Federal, after Refund Received
Federal
Income Tax Paid, State and Local, after Refund Received
State and local
Income Tax Paid, Foreign, after Refund Received
Foreign
Income Tax Paid, after Refund Received, Foreign Jurisdiction [Extensible Enumeration]
Amount of cash paid to acquire solar tax credit investments.
Income Tax, Payments Made for Solar Tax Credit Investments
Payments made for STC investments
Amount of income tax refunds and prepaid income taxes .
Income Tax Refunds And Prepaid Income Taxes
Income tax refunds and prepaid income taxes
Income tax refunds receivable and prepaid income taxes
Investment Income [Table]
Investment, Name [Axis]
Investment, Name [Domain]
Represents the information pertaining to equity investments in Solar Tax Credit ("STC") entities.
Investments In Solar Tax Credit Entities [Member]
STC Investments
Represents the information pertaining to equity investments in Solar Tax Credit ("STC") entities that qualifies for PAM.
Investments in Solar Tax Credit Entities, Qualify For Pam [Member]
STC investments that qualify for PAM
Represents the information pertaining to equity investments in Solar Tax Credit ("STC") entities that does not qualifies for PAM.
Investments in Solar Tax Credit Entities, Do Not Qualify For Pam [Member]
STC investments that do not qualify for PAM
Net Investment Income [Line Items]
Solar Energy Projects
Amount of cash investment commitments.
Cash Investment Commitments
Remaining cash investment commitments
Equity Method Investments
Investment account balances
The amount of income tax credits of equity investment in solar energy projects.
Income Tax Credits Of Equity Investments In Solar Energy Projects
Income tax credits and other income tax benefits related to STC investments
Amount of amortization of equity investments in solar energy projects.
Amortization of Equity Investments in Solar Energy Projects
Amortization expense related to STC investment
Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
EARNINGS PER SHARE
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements
Effect of stock awards
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Anti-dilutive securities not included
Share Repurchase Program [Table]
Related Party, Type [Axis]
Related Party, Type [Domain]
Director [Member]
Director
Share Repurchase Program [Line Items]
Share repurchases
The percentage increase in common stock dividend per share.
Percentage Increase In Common Stock Dividend Per Share
Percentage increase in common stock dividend
Amount of increase in authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.
Share Repurchase Program, Authorized, Amount, Increase
Share repurchase program, Increase in authorized amount.
Stock Repurchase Program, Authorized Amount
Authorized amount for stock repurchase program.
Equity impact of the value of stock that has been repurchased including excise tax during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.
Stock Repurchased Including Excise Tax During Period, Value
Common stock repurchased
Average price of a single share of a number of saleable stocks of a company.
Average Share Price
Share price (in dollars per share)
Dividends Payable [Table]
Dividends [Axis]
Dividends [Domain]
Represents information relating to O 2026 Q4 Dividends.
O 2026 Q4 Dividends [Member]
2026 Q4 dividend
Represents information relating to O 2026 Q3 Dividends.
O 2026 Q3 Dividends [Member]
2026 Q3 dividend
Represents information relating to O 2026 Q2 Dividends.
O 2026 Q2 Dividends [Member]
2026 Q2 dividend
Represents information relating to O 2026 Q1 Dividends.
O 2026 Q1 Dividends [Member]
2026 Q1 dividend
Represents information relating to O 2025 Q4 Dividends.
O 2025 Q4 Dividends [Member]
2025 Q4 dividend
Represents information relating to O 2025 Q3 Dividends.
O 2025 Q3 Dividends [Member]
2025 Q3 dividend
Represents information pertaining to O 2025 Q2 dividends.
O 2025 Q2 Dividends [Member]
2025 Q2 dividend
Represents information pertaining to O 2025 Q1 dividends.
O 2025 Q1 Dividends [Member]
2025 Q1 dividend
Represents information pertaining to O 2024 Q4 dividends.
O 2024 Q4 Dividends [Member]
2024 Q4 dividend
Represents information pertaining to O 2024 Q3 dividends.
O 2024 Q3 Dividends [Member]
2024 Q3 dividend
Represents information relating to O 2024 Q2 dividend.
O 2024 Q2 Dividends [Member]
2024 Q2 dividend
Represents information relating to O 2024 Q1 dividend.
O 2024 Q1 Dividends [Member]
2024 Q1 dividend
Dividends Payable [Line Items]
Dividends Payable, Date of Record
Record date
Dividends Payable, Date to be Paid
Payment date
Common Stock, Dividends, Per Share, Cash Paid
Amount Per Share
Concentration Risk [Table]
Telecommunication Infrastructure Services.
Telecommunications Infrastructure Services
Telecommunications Infrastructure Services
Concentration Risk Type [Axis]
Concentration Risk Type [Domain]
Product Concentration Risk
Customer Concentration Risk
Customer [Axis]
Customer [Domain]
Major customer one.
Major Customer One
Major customer two.
Major Customer Two
Major customer three.
Major Customer Three
Major customer four.
Major Customer Four
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Revenue
Accounts Receivable [Member]
Accounts Receivable
Contract Asset
Concentration Risk [Line Items]
Customer Concentrations
Concentration Risk, Percentage
Percentage of major customers or segments
Number of major customers.
Number Of Major Customers
Number of customers
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Consolidation Items [Axis]
Consolidation Items [Domain]
Operating Segments [Member]
Operating Segments
Intersegment Eliminations [Member]
Intercompany Eliminations
Corporate, Non-Segment [Member]
Other
Segment Reporting Information [Line Items]
Segment Reporting Information
Number of Operating Segments
Operating segment
Segment, Expenditure, Addition to Long-Lived Assets
Property, plant and equipment additions
Prepaid Expense, Current
Prepaid expenses
Inventory, Raw Materials, Gross
Raw materials inventory
The sum of amounts currently receivable from note issued.
Note Receivable, Current
Note receivable
Other Assets, Miscellaneous, Current
Other
Carrying value as of the balance sheet date of obligations incurred through that date and payable for projects costs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
Accrued Project Costs, Current
Accrued project costs
Accrued Employee Benefits, Current
Accrued compensation
Carrying value as of the balance sheet date of obligations incurred through that date and payable for lease liabilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
Accrued Lease Liabilities, Current
Lease liabilities
Other Accrued Liabilities, Current
Other
Unusual or Infrequent Item, or Both [Table]
Unusual or Infrequent Item, or Both [Axis]
Unusual or Infrequent Item, or Both [Domain]
Represents information relating to fraudulently induced outbound wire transfer to third party of complex criminal scheme.
Fraudulently Induced Payment
Unusual or Infrequent Item, or Both [Line Items]
SUPPLEMENTAL FINANCIAL STATEMENT INFORMATION
Unusual or Infrequent Item, or Both, Net (Gain) Loss
Total amount of fraud loss and professional fee recovered