Operating lease liabilities-current
Business Combination, Recognized Identifiable Asset Acquired and Liability Assumed, Operating Lease, Liability, Current
Business Combination, Recognized Identifiable Asset Acquired and Liability Assumed, Operating Lease, Liability, Current
Hedging Designation [Domain]
Hedging Designation [Domain]
Supplemental disclosures of cash flow information
Supplemental Cash Flow Information [Abstract]
Customer [Domain]
Customer [Domain]
Income before income taxes
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax
Federal statutory rate (as a percent)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Letter of Credit
Letter of Credit [Member]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value Hierarchy and NAV [Domain]
Net income
Net income
Net Income (Loss) Attributable to Parent
Entity Emerging Growth Company
Entity Emerging Growth Company
Operating lease right-of-use assets
Operating Lease, Right-of-Use Asset
Schedule of Business Acquisitions, by Acquisition
Schedule of Business Acquisitions, by Acquisition [Table Text Block]
Interest cost
Defined Benefit Plan, Interest Cost
Accrued compensation and benefits
Total accrued compensation and benefits
Employee-related Liabilities, Current
Intelligence Clients
Intelligence Clients [Member]
Intelligence Clients [Member]
Income Statement Location [Axis]
Income Statement Location [Axis]
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Accumulated Amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Entity Address, Address Line One
Entity Address, Address Line One
Thereafter
Finite-Lived Intangible Asset, Expected Amortization, After Year Four
Finite-Lived Intangible Asset, Expected Amortization, After Year Four
Revenue from Contract with Customer [Abstract]
Revenue from Contract with Customer [Abstract]
Earnings for basic computations
Undistributed Earnings, Basic
Summary of Contract Balances
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
Additional paid-in capital
Additional Paid in Capital, Common Stock
Entity Filer Category
Entity Filer Category
Earnings per common share
Earnings Per Share Reconciliation [Abstract]
Other long-term assets
Other Assets, Noncurrent
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Other
Interest Income (Expense), Other
Interest Income (Expense), Other
Retirement Benefits [Abstract]
Retirement Benefits [Abstract]
Net decrease in cash and cash equivalents
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Redemption price (as a percent)
Debt Instrument, Redemption Price, Percentage
Stock-based compensation expense
APIC, Share-based Payment Arrangement, Increase for Cost Recognition
Number of employees
Entity Number of Employees
Customer relationships and other amortizable intangible assets
Customer Relationships and Other [Member]
Customer Relationships and Other
Reclassification out of accumulated other comprehensive loss to net income
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
(Gains) losses on dispositions, and other
Gain (Loss) on Disposition of Assets
Document Fiscal Year Focus
Document Fiscal Year Focus
Retirement Plan Name [Domain]
Retirement Plan Name [Domain]
Bonus
Accrued Bonuses, Current
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Amortization expense
Amortization of Intangible Assets
Useful life (in years)
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life
Antidilutive options excluded from the computation of EPS (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Contract with customer, liability, revenue recognized
Contract with Customer, Liability, Revenue Recognized
Liability Class [Axis]
Liability Class [Axis]
Business Combination and Asset Acquisition [Abstract]
Commitment fee percentage
Line of Credit Facility, Commitment Fee Percentage
Business Acquisition [Axis]
Business Acquisition [Axis]
Cash Flow Hedging
Cash Flow Hedging [Member]
Sub-contractor
Sales Channel, Through Intermediary [Member]
Award Type [Domain]
Award Type [Domain]
Guarantor obligations, carrying value
Guarantor Obligations, Current Carrying Value
ASSETS
Assets [Abstract]
Related Party Transactions [Abstract]
Related Party Transactions [Abstract]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards [Line Items]
Derivatives
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Net cash paid during the period for:
Cash Payments Abstract
Cash paid during the period for:
Restricted stock granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Concentration risk, percentage
Concentration Risk, Percentage
Dividends paid per share of common stock
Dividends, Cash
Stock options outstanding (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Entity Address, City or Town
Entity Address, City or Town
Trade Names
Trade Names [Member]
Retained Earnings
Retained Earnings [Member]
Debt Instrument [Axis]
Debt Instrument [Axis]
Prepaid expenses and other current and long-term assets
Increase (Decrease) in Prepaid Expense and Other Assets
Redemption of original principal amount, redemption period (in days)
Debt Instrument, Redemption of Aggregate Principal Amount, Redemption Period
Debt Instrument, Redemption of Aggregate Principal Amount, Redemption Period
Other Liabilities Disclosure [Abstract]
Other Liabilities Disclosure [Abstract]
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
On July 1, 2026
Debt Instrument, Redemption, Period Four [Member]
Related Party [Axis]
Related Party [Axis]
Secured Debt
Secured Debt [Member]
Accounts receivable, net
Increase (Decrease) in Accounts Receivable
Contract with Customer, Sales Channel [Axis]
Contract with Customer, Sales Channel [Axis]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Quarterly periodic payment percentage, principal
Debt Instrument, Quarterly Periodic Payment Percentage, Principal
Debt Instrument, Quarterly Periodic Payment Percentage, Principal
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Abstract]
Tax Period [Domain]
Tax Period [Domain]
Entity Interactive Data Current
Entity Interactive Data Current
Estimate of amount to be reclassified over the next 12 months
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net
Fair value of derivative liabilities
Derivative Instruments in Hedges, Liabilities, at Fair Value
Number of operating segments
Number of Operating Segments
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Basic (in dollars per share)
Earnings Per Share, Basic
Indefinite-lived Intangible Assets, Major Class Name [Domain]
Indefinite-lived Intangible Assets, Major Class Name [Domain]
Change in postretirement plan costs
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
Amount of (Loss) or Gain Reclassified from AOCL into Income
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net
Revenue
Revenue from Contract with Customer [Text Block]
Document Type
Document Type
Total fair value of identifiable net assets acquired
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net
Interest expense on debt
Interest Expense, Debt
Schedule of Disaggregation of Revenue
Disaggregation of Revenue [Table Text Block]
Employees’ capital accumulation plan, total expense recognized
Defined Contribution Plan, Cost
Intangible assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles
Entity Current Reporting Status
Entity Current Reporting Status
Topic 326 adoption impact
Cumulative Effect, Period of Adoption, Adjustment [Member]
Retirement
Liability, Pension and Other Postretirement and Postemployment Benefits, Current
Amount of (Loss) or Gain Recognized in AOCL on Derivatives
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax
Deferred compensation plan, assets
Long term deferred compensation costs
Deferred Compensation Plan Assets
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Cash paid (gross of cash acquired and including net adjustments)
Business Combination, Consideration Transferred
Long-term debt outstanding
Long-term Debt, Gross
On or after July 1, 2024
Debt Instrument, Redemption, Period Two [Member]
Assets:
Assets, Fair Value Disclosure [Abstract]
Plan Name [Axis]
Plan Name [Axis]
Total
Long-term Debt
Level 1
Fair Value, Inputs, Level 1 [Member]
Cash flows from investing activities
Net Cash Provided by (Used in) Investing Activities [Abstract]
Fair Value by Liability Class [Domain]
Fair Value by Liability Class [Domain]
Document Transition Report
Document Transition Report
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Abstract]
Base Rate
Base Rate [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Total liabilities and stockholders’ equity
Liabilities and Equity
Total accounts receivable, net
Accounts Receivable, after Allowance for Credit Loss
Change in unrealized gain (loss) on derivatives designated as cash flow hedges
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax
Concentration Risk [Line Items]
Concentration Risk [Line Items]
LIABILITIES AND STOCKHOLDERS’ EQUITY
Liabilities and Equity [Abstract]
Global Commercial Clients
Global Commercial Clients [Member]
Global Commercial Clients [Member]
Derivative [Line Items]
Derivative [Line Items]
Hedging Relationship [Domain]
Hedging Relationship [Domain]
Interest Rate Swap
Interest Rate Swap [Member]
Accounts payable and other accrued expenses
Total accounts payable and other accrued expenses
Accounts Payable and Accrued Liabilities, Current
Repurchase of shares to cover tax withholding on restricted stock units that vested
Repurchase Of Stock To Satisfy Tax Withholdings, Restricted Stock, Amount
Repurchase Of Stock To Satisfy Tax Withholdings, Restricted Stock, Amount
Tax (benefit) expense
Reclassification from AOCI, Current Period, Tax
Current derivative instruments
Derivative Liability, Current
Earnings Per Share
Earnings Per Share [Text Block]
Repurchase of common stock
Repurchase of common stock, value
Treasury Stock, Value, Acquired, Cost Method
2026
Finite-Lived Intangible Asset, Expected Amortization, Year Four
Stock options exercised
Stock Issued During Period, Value, Stock Options Exercised
Minimum
Minimum [Member]
Basis of Presentation
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Retirement Plan Name [Axis]
Retirement Plan Name [Axis]
Reserves for uncertain tax positions
Liability for Uncertainty in Income Taxes, Noncurrent
Affiliated Entity
Affiliated Entity [Member]
Revolving credit facility, amount outstanding
Long-term Line of Credit
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Income before income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
Officer Medical Plan
Officer Medical Plan [Member]
Officer Medical Plan [Member]
Indefinite-lived Intangible Assets [Axis]
Indefinite-lived Intangible Assets [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table]
Cumulative Effect, Period of Adoption [Axis]
Cumulative Effect, Period of Adoption [Axis]
Trading Symbol
Trading Symbol
Amounts reclassified from accumulated other comprehensive loss
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent
Current liabilities:
Liabilities, Current [Abstract]
Issuance of common stock
Stock Issued During Period, Value, New Issues
General and administrative expenses
General and Administrative Expense
Payments for business acquisitions, net of cash acquired
Payments to Acquire Businesses, Net of Cash Acquired
Debt
Debt Disclosure [Text Block]
Number of directors
Number of Directors
Number of Directors
Beginning balance (shares)
Ending balance (shares)
Shares, Outstanding
Stock-Based Compensation
Share-based Payment Arrangement [Text Block]
Senior Notes
Senior Notes [Member]
Level 3
Fair Value, Inputs, Level 3 [Member]
Derivative Instrument [Axis]
Derivative Instrument [Axis]
Issuance of common stock (shares)
Stock Issued During Period, Shares, New Issues
Number of reportable segments
Number of Reportable Segments
Other long-term assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets
Summary of Other Long-Term Liabilities
Schedule of Other Assets and Other Liabilities [Table Text Block]
Schedule of Interest Expense
Interest Income and Interest Expense Disclosure [Table Text Block]
Common stock, Class A — $0.01 par value — authorized, 600,000,000 shares; issued, 163,464,754 shares at June 30, 2021 and 162,950,606 shares at March 31, 2021; outstanding, 135,429,357 shares at June 30, 2021 and 136,246,029 shares at March 31, 2021
Common Stock, Value, Issued
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Contract with Customer, Basis of Pricing [Axis]
Contract with Customer, Basis of Pricing [Axis]
Unrecognized compensation cost, amortization period
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Other Postretirement Benefits Plan
Other Postretirement Benefits Plan [Member]
Commitments and contingencies (Note 17)
Commitments and Contingencies
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Allowance for credit losses
Accounts Receivable, Allowance for Credit Loss, Current
Defined benefit plan, unfunded status of plan
Defined Benefit Plan, Funded (Unfunded) Status of Plan
Total revenue (as a percent)
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage
Restricted Stock Awards
Restricted Stock [Member]
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Document Period End Date
Document Period End Date
Contract with Customer, Asset, after Allowance for Credit Loss [Abstract]
Contract with Customer, Asset, after Allowance for Credit Loss [Abstract]
Total operating costs and expenses
Costs and Expenses
Class of Stock [Axis]
Class of Stock [Axis]
Entity Registrant Name
Entity Registrant Name
Treasury stock (in shares)
Treasury Stock, Shares
Postretirement benefit obligations
Liability, Pension and Other Postretirement and Postemployment Benefits, Noncurrent
Operating lease right-of-use asset
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease, Right-Of-Use Asset
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Operating Lease, Right-Of-Use Asset
Purchases of property, equipment, and software
Payments to Acquire Productive Assets
Prepaid expenses and other current assets
Prepaid Expense and Other Assets, Current
Accrued expenses
Accrued Liabilities, Current
Revenue
Revenue from Contract with Customer, Excluding Assessed Tax
Cash dividends paid
Unvested shares, cash dividends paid
Payments of Dividends
Vacation
Accrued Vacation, Current
Equity Incentive Plan Options
Share-based Payment Arrangement, Option [Member]
Senior Notes due 2029
Senior Notes Due 2029 [Member]
Senior Notes Due 2029
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Equity [Abstract]
Equity [Abstract]
Period to propose working capital adjustments
Business Combination, Terms, Period To Propose Adjustments
Business Combination, Terms, Period To Propose Adjustments
Operating Loss Carryforwards [Table]
Operating Loss Carryforwards [Table]
Variable Rate [Axis]
Variable Rate [Axis]
Other comprehensive income (loss) before reclassifications
OCI, before Reclassifications, Net of Tax, Attributable to Parent
Operating income
Operating Income (Loss)
Operating lease liabilities
Operating Lease, Liability, Current
2024
Finite-Lived Intangible Asset, Expected Amortization, Year Two
Hedging Designation [Axis]
Hedging Designation [Axis]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense
Share-based Payment Arrangement, Noncash Expense
Variable Rate [Domain]
Variable Rate [Domain]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Additional Paid-In Capital
Additional Paid-in Capital [Member]
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Prime Contractor
Sales Channel, Directly to Consumer [Member]
Repayments on revolving credit facility and term loan
Repayments of Debt
Payments to related party
Related Party Transaction, Amounts of Transaction
Other comprehensive income (loss) before reclassifications, tax
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent
Dividends paid (in dollars per share)
Common Stock, Dividends, Per Share, Cash Paid
Long-term Debt, Type [Domain]
Long-term Debt, Type [Domain]
Treasury Stock
Treasury Stock [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]
Guarantor obligations, reduction to available borrowings
Guarantor Obligations, Liquidation Proceeds, Monetary Amount
Net secured leverage ratio
Debt Instrument, Net Secured Leverage Ratio, Maximum
Debt Instrument, Net Secured Leverage Ratio, Maximum
Deferred compensation plan, liabilities
Long term deferred compensation plan liability
Deferred Compensation Liability, Classified, Noncurrent
Post-retirement Plans
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Proceeds from revolving credit facility
Proceeds from Lines of Credit
Notional amount of interest rate swaps
Derivative, Notional Amount
Other (expense) income, net
Other Nonoperating Income (Expense)
Schedule of accrued compensation and benefits
Schedule of Accrued Compensation And Benefits [Table Text Block]
Schedule of Accrued Compensation And Benefits [Table Text Block]
Redemption of aggregate principal amount (as a percent)
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed
Other current liabilities
Other Liabilities, Current
Other Long-Term Liabilities
Other Liabilities Disclosure [Text Block]
Maximum
Maximum [Member]
Share-based Payment Arrangement [Abstract]
Share-based Payment Arrangement [Abstract]
Guarantor Obligations, Nature [Axis]
Guarantor Obligations, Nature [Axis]
Loss Contingency, Nature [Domain]
Loss Contingency, Nature [Domain]
Acquisition, Goodwill and Intangible Assets
Business Combinations, Goodwill and Intangible Asset Disclosure [Text Block]
Business Combinations, Goodwill and Intangible Asset Disclosure
Total liabilities
Liabilities
Award Type [Axis]
Award Type [Axis]
2023
Finite-Lived Intangible Asset, Expected Amortization, Year One
Cash flows from financing activities
Net Cash Provided by (Used in) Financing Activities [Abstract]
Total stockholders’ equity
Beginning of period
End of period
Stockholders' Equity Attributable to Parent
Common stock, issued (in shares)
Common Stock, Shares, Issued
Accounts payable and other accrued expenses
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Senior Notes due 2028
Senior Notes Due 2028 [Member]
Senior Notes Due 2028
Designated as Hedging Instrument
Designated as Hedging Instrument [Member]
Purchase price allocation:
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Loss on debt extinguishment
Gain (Loss) on Extinguishment of Debt
Term Loan A
Tranche-A Loans [Member]
Tranche A Loans [Member]
Repurchases of common stock
Payments for Repurchase of Common Stock
Stockholders’ equity:
Stockholders' Equity Attributable to Parent [Abstract]
Schedule of accumulated other comprehensive loss
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Retirement Plan Type [Axis]
Retirement Plan Type [Axis]
Supplemental disclosures of non-cash investing and financing activities
Noncash Investing and Financing Items [Abstract]
Software
Software and Software Development Costs [Member]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Accumulated Other Comprehensive Loss
Comprehensive Income (Loss) Note [Text Block]
Operating lease liabilities, net of current portion
Operating Lease, Liability, Noncurrent
Measurement Frequency [Domain]
Measurement Frequency [Domain]
Face amount of debt
Debt Instrument, Face Amount
Interest expense
Total Interest Expense
Interest Expense on Condensed Consolidated Statements of Operations
Interest Expense
Accrued compensation and benefits
Increase (Decrease) in Employee Related Liabilities
Total postretirement medical expense
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Interest rate
Debt Instrument, Interest Rate, Effective Percentage
Loss Contingency Nature [Axis]
Loss Contingency Nature [Axis]
City Area Code
City Area Code
Stock price on grant date (in dollars per share)
Share Price
Retained earnings
Retained Earnings (Accumulated Deficit)
Accrued Compensation and Benefits
Compensation Related Costs, General [Text Block]
Schedule of Defined Benefit Plans Disclosures [Table]
Schedule of Defined Benefit Plans Disclosures [Table]
Restricted stock units (RSUs)
Restricted Stock Units (RSUs) [Member]
Statement of Stockholders' Equity [Abstract]
Statement of Stockholders' Equity [Abstract]
Stock purchased by employees (in shares)
Stock Issued During Period, Shares, Employee Stock Purchase Plans
Other
Other Employee-related Liabilities, Current
Accounts receivable–billed
Billed Contracts Receivable
Employer matching contribution, percent of match
Defined Contribution Plan, Employer Matching Contribution, Percent of Match
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Income Statement [Abstract]
Income Statement [Abstract]
Amendment Flag
Amendment Flag
Concentration Risk [Table]
Concentration Risk [Table]
Civil Clients
Civil Clients [Member]
Civil Clients [Member]
Operating lease liabilities-long term
Business Combination, Recognized Identifiable Asset Acquired and Liability Assumed, Operating Lease, Liability, Noncurrent
Business Combination, Recognized Identifiable Asset Acquired and Liability Assumed, Operating Lease, Liability, Noncurrent
Trade name
Indefinite-lived Intangible Assets (Excluding Goodwill)
Stock option exercises
Proceeds from Stock Options Exercised
Related Party Transaction [Axis]
Related Party Transaction [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Income tax expense
Income Tax Expense (Benefit)
Accounts receivable, net
Accounts receivable, net
Accounts Receivable, after Allowance for Credit Loss, Current
Net proceeds from debt issuance
Proceeds from Issuance of Long-term Debt
Equity Components [Axis]
Equity Components [Axis]
Stock options outstanding, unvested (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Abstract]
Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Total current assets
Assets, Current
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Accounts receivable–unbilled
Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Redemption of original principal amount (as a percent)
Debt Instrument, Redemption Price, Percentage Of Principal Amount Outstanding
Debt Instrument, Redemption Price, Percentage Of Principal Amount Outstanding
Total Assets
Other Assets, Fair Value Disclosure
Entity File Number
Entity File Number
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Statement of Financial Position [Abstract]
Statement of Financial Position [Abstract]
Noncash lease expense
Noncash Lease Expense
Noncash Lease Expense
Undistributed earnings allocated to participating securities, basic
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic
Contingent consideration, liability
Business Combination, Contingent Consideration, Liability, Noncurrent
Deferred income taxes and income taxes receivable / payable
Increase (Decrease) in Income Taxes
Current portion of long-term debt
Less: Current portion of long-term debt
Long-term Debt, Current Maturities
Guarantor obligations, available amount
Guarantor Obligations, Available Amount
Guarantor Obligations, Available Amount
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Entity Small Business
Entity Small Business
Revenue Benchmark
Revenue Benchmark [Member]
Estimated fair value per option granted (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Equity Component [Domain]
Equity Component [Domain]
EIP
Amended and Restated Equity Incentive Plan [Member]
Amended and Restated Equity Incentive Plan [Member]
Guarantor Obligations, Nature [Domain]
Guarantor Obligations, Nature [Domain]
On or after July 1, 2025
Debt Instrument, Redemption, Period Three [Member]
Tax Years 2016-2021
Tax Years 2016-2021 [Member]
Tax Years 2016-2019 [Member]
Debt issuance costs
Debt Issuance Costs, Gross
Statement [Line Items]
Statement [Line Items]
Other current and long-term liabilities
Increase (Decrease) in Other Current Liabilities
Current assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets
Long-term debt, maximum expanded loan facility
Long-term Debt, Maximum Expanded Loan Facility
Long-Term Debt, Maximum Expanded Loan Facility
Revenue, amount of remaining performance obligation
Revenue, Remaining Performance Obligation, Amount
Cash paid for cost method investment
Payments to Acquire Investments
Retirement Plan Type [Domain]
Retirement Plan Type [Domain]
Cost-reimbursable
Cost Reimbursable Contract [Member]
Cost Reimbursable Contract
Total intangible assets, gross
Intangible Assets, Gross (Excluding Goodwill)
Debt Disclosure [Abstract]
Debt Disclosure [Abstract]
Time-and-materials
Time-and-materials Contract [Member]
Entity Address, State or Province
Entity Address, State or Province
Tax Period [Axis]
Tax Period [Axis]
Level 2
Fair Value, Inputs, Level 2 [Member]
Annual Incentive Plan
Annual Incentive Plan [Member]
Annual Incentive Plan [Member]
Unvested shares participating in the payment of the Company's dividends declared (in shares)
Incremental Common Shares Attributable to Participating Nonvested Shares with Non-forfeitable Dividend Rights
Customer [Axis]
Customer [Axis]
Employee Benefit Plans
Retirement Benefits [Text Block]
Accounting Estimates
Use of Estimates, Policy [Policy Text Block]
Amount of options granted
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Reconciliation of the income used to compute basic and diluted EPS
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Entity Shell Company
Entity Shell Company
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Local Phone Number
Local Phone Number
Total other comprehensive income (loss), net of tax
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Summary of Stock-Based Compensation Expense Recognized in the Condensed Consolidated Statements of Operations
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
Current liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities
Proceeds from issuance of common stock
Proceeds from Issuance of Common Stock
Total assets
Assets
Plan Name [Domain]
Plan Name [Domain]
Billable expenses
Billable Expenses
Billable expenses include direct subcontractor expenses, travel expenses, and other expenses incurred to perform on contracts.
Common stock, authorized (in shares)
Common Stock, Shares Authorized
Interest
Interest Paid, Excluding Capitalized Interest, Operating Activities
Geographical [Domain]
Geographical [Domain]
Depreciation and amortization
Depreciation, Depletion and Amortization, Nonproduction
Debt instrument, stated percentage
Debt Instrument, Interest Rate, Stated Percentage
Derivative Contract [Domain]
Derivative Contract [Domain]
Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table]
Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table]
Contract with Customer, Basis of Pricing [Domain]
Contract with Customer, Basis of Pricing [Domain]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Long-term disability obligation
Postemployment Benefits Liability, Noncurrent
Reserve for uncertain tax positions
Liability For Uncertainty In Income Taxes
Liability For Uncertainty In Income Taxes
Revolving Credit Facility
Revolving Credit Facility [Member]
Schedule of Unrecognized Compensation Cost
Share-based Payment Arrangement, Nonvested Award, Cost [Table Text Block]
Remaining performance obligation, expected timing, period
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period
Cumulative Effect, Period of Adoption [Domain]
Cumulative Effect, Period of Adoption [Domain]
Measurement Frequency [Axis]
Measurement Frequency [Axis]
Net cash (used in) provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Schedule of Debt
Schedule of Debt [Table Text Block]
Fair Value, Recurring and Nonrecurring [Table]
Fair Value, Recurring and Nonrecurring [Table]
Term Loan B
Tranche B Loans [Member]
Tranche B Loans [Member]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Entity Tax Identification Number
Entity Tax Identification Number
Geographical [Axis]
Geographical [Axis]
Weighted-average common shares outstanding for basic computations (in shares)
Weighted Average Number of Shares Outstanding, Basic
Diluted (in dollars per share)
Earnings Per Share, Diluted
Amortization of Debt Issuance Cost (DIC) and Original Issue Discount (OID)
Amortization of Debt Issuance Costs and Discounts
Dilutive stock options and restricted stock (in shares)
Weighted Average Number Diluted Shares Outstanding Adjustment
Total Liabilities
Financial Liabilities Fair Value Disclosure
Service cost
Defined Benefit Plan, Service Cost
Hedging Relationship [Axis]
Hedging Relationship [Axis]
Share repurchases transacted but not settled and paid
Share Repurchases Incurred But Not Yet Paid
Share Repurchases Incurred But Not Yet Paid
Income taxes
Income Taxes Paid, Net
Accounting Standards Update [Extensible List]
Accounting Standards Update [Extensible Enumeration]
Comprehensive income
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Intangible assets, net of accumulated amortization
Total intangible assets, net
Intangible Assets, Net (Excluding Goodwill)
Advance payments, billings in excess of costs incurred and deferred revenue
Contract with Customer, Liability
Fixed-price
Fixed-price Contract [Member]
Defense Clients
Defense Clients [Member]
Defense Clients [Member]
Net cash provided by (used in) financing activities
Net Cash Provided by (Used in) Financing Activities
Other comprehensive income (loss), net of tax:
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Treasury stock, at cost — 28,035,397 shares at June 30, 2021 and 26,704,577 shares at March 31, 2021
Treasury Stock, Value
Deferred tax liabilities
Deferred Income Tax Liabilities, Net
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Other Noncurrent Liabilities
Other noncurrent liabilities
Other Noncurrent Liabilities [Member]
Long term derivative instruments
Derivative Liability, Noncurrent
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
Fair Value Measurements
Fair Value Disclosures [Text Block]
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
Depreciation and amortization
Depreciation, Depletion and Amortization
Derivative Instruments and Hedging Activities Disclosures [Table]
Derivative Instruments and Hedging Activities Disclosures [Table]
2025
Finite-Lived Intangible Asset, Expected Amortization, Year Three
Accumulated Other Comprehensive Income (Loss)
Totals
AOCI Attributable to Parent [Member]
Remainder of 2022
Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year
Common stock, outstanding (in shares)
Common Stock, Shares, Outstanding
Unfavorable Regulatory Action
Unfavorable Regulatory Action [Member]
Derivative [Table]
Derivative [Table]
Cost of revenue
Cost of Goods and Services Sold
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Interest Swap Expense
Interest Expense, Debt, Interest Swap
Interest Expense, Debt, Interest Swap
Percentage of consolidated EBITDA required for expansion of loan
Debt Covenant, Expanded Loan, Percentage of Consolidated EBITDA Required
Debt Covenant, Expanded Loan, Percentage of Consolidated EBITDA Required
Income Statement Location [Domain]
Income Statement Location [Domain]
Compensation Related Costs [Abstract]
Compensation Related Costs [Abstract]
Undistributed earnings allocated to participating securities, diluted
Undistributed Earnings (Loss) Allocated to Participating Securities, Diluted
Loss Contingencies [Line Items]
Loss Contingencies [Line Items]
Property and equipment, net of accumulated depreciation
Property, Plant and Equipment, Net
Other long-term liabilities
Total other long-term liabilities
Other Liabilities, Noncurrent
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Repurchase of common stock (shares)
Repurchase of common stock (in shares)
Treasury Stock, Shares, Acquired
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Earnings per common share (Note 4):
Earnings Per Share [Abstract]
Earnings Per Share [Abstract]
Overnight Federal Funds Rate
Overnight Federal Funds Rate [Member]
Overnight Federal Funds Rate
Accounts Payable and Other Accrued Expenses
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Related Party Transaction [Domain]
Related Party Transaction [Domain]
Document Quarterly Report
Document Quarterly Report
Remaining performance obligation, percentage
Revenue, Remaining Performance Obligation, Percentage
Net income
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
Other Current Liabilities
Other Current Liabilities [Member]
Fair value of options granted
Shares Granted, Value, Share-based Payment Arrangement, before Forfeiture
Provision for claimed indirect costs
Liability for reductions and/or penalties from U.S Government audits
Loss Contingency Accrual
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Reclassification out of Accumulated Other Comprehensive Income [Table]
Reclassification out of Accumulated Other Comprehensive Income [Table]
Operating costs and expenses:
Costs and Expenses [Abstract]
Long-term debt, net of current portion
Long-term Debt, Excluding Current Maturities
Liabilities:
Liabilities, Fair Value Disclosure [Abstract]
Income tax assessments
Income Tax Examination, Estimate of Possible Loss
Schedule of Related Party Transactions, by Related Party [Table]
Schedule of Related Party Transactions, by Related Party [Table]
Financial Standby Letter of Credit
Financial Standby Letter of Credit [Member]
Stock-based compensation expense
Share-based Payment Arrangement, Expense
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Document Fiscal Period Focus
Document Fiscal Period Focus
Effective income tax rate
Effective Income Tax Rate Reconciliation, Percent
Amortization of debt issuance costs
Amortization of Debt Issuance Costs
Long-term Debt, Current and Noncurrent [Abstract]
Long-term Debt, Current and Noncurrent [Abstract]
Payables and Accruals [Abstract]
Payables and Accruals [Abstract]
Class A Common Stock
Common Class A [Member]
Accounts receivable–unbilled
Contract with Customer, Asset, after Allowance for Credit Loss, Current
Cash and cash equivalents––beginning of period
Cash and cash equivalents––end of period
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Schedule of Derivative Instruments
Schedule of Derivative Instruments [Table Text Block]
UNITED STATES
UNITED STATES
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Statement of Comprehensive Income [Abstract]
Statement of Comprehensive Income [Abstract]
Current assets:
Assets, Current [Abstract]
Prior to July 1, 2024
Debt Instrument, Redemption, Period One [Member]
Gross Carrying Value
Finite-Lived Intangible Assets, Gross
Entity Central Index Key
Entity Central Index Key
Schedule of Finite-Lived Intangible Assets
Schedule of Finite-Lived Intangible Assets [Table Text Block]
London Interbank Offered Rate (LIBOR)
London Interbank Offered Rate (LIBOR) [Member]
Security Exchange Name
Security Exchange Name
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Schedule of Accounts Payable and Accrued Liabilities
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
Customer [Domain]
Contract with Customer, Sales Channel [Domain]
Stock options exercised (shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Weighted-average common shares outstanding for diluted computations (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Other comprehensive income (loss), net of tax
Other Comprehensive Income (Loss), Net of Tax
Fair Value, Measurements, Recurring
Fair Value, Recurring [Member]
Income Taxes
Income Tax Disclosure [Text Block]
Related Party [Domain]
Related Party [Domain]
Long-term Debt, Type [Axis]
Long-term Debt, Type [Axis]
Current Fiscal Year End Date
Current Fiscal Year End Date
Long-term debt, basis spread on variable rate
Debt Instrument, Basis Spread on Variable Rate
Components of net postretirement medical expense
Schedule of Net Benefit Costs [Table Text Block]
Derivatives designated as cash flow hedges
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Statement of Cash Flows [Abstract]
Statement of Cash Flows [Abstract]
Tax Years 2013-2015
Tax Years 2013-2015 [Member]
Tax Years 2013-2015 [Member]
Services Performed Under Subcontractor
Services Performed Under Subcontractor [Member]
Services Performed Under Subcontractor [Member]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Interest payments
Interest Paid, Including Capitalized Interest, Operating and Investing Activities
Changes in assets and liabilities:
Increase (Decrease) in Operating Capital [Abstract]
Cash flows from operating activities
Net Cash Provided by (Used in) Operating Activities [Abstract]
General and administrative expenses
General and Administrative Expense [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Total current liabilities
Liabilities, Current
Class of Stock [Domain]
Class of Stock [Domain]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reserve for uncertain tax positions, research and development tax credits
Liability For Uncertainty In Income Taxes, Noncurrent, Deferred Taxes
Liability For Uncertainty In Income Taxes, Noncurrent, Deferred Taxes
Revolving credit facility, maximum borrowing capacity
Line of Credit Facility, Maximum Borrowing Capacity
Vendor payables
Accounts Payable, Trade, Current
Loss Contingencies [Table]
Loss Contingencies [Table]
Cash
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Recognition of liability related to future restricted stock units vesting
Adjustments To Additional Paid In Capital, Recognition Of Liability Related To Future Restricted Stock Units Vesting
Adjustments To Additional Paid In Capital, Recognition Of Liability Related To Future Restricted Stock Units Vesting
Less: Unamortized debt issuance costs and discount on debt
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net
Contracts with U.S. government agencies or other U.S. government contractors
Government Contracts Concentration Risk [Member]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Title of 12(b) Security
Title of 12(b) Security
Schedule of Recurring Fair Value Measurements
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
Statement [Table]
Statement [Table]
Recently Accounting Pronouncements Not Yet Adopted
New Accounting Pronouncements, Policy [Policy Text Block]
Unrecognized compensation cost related to unvested stock-based compensation agreements
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Debt Instrument, Redemption, Period [Domain]
Debt Instrument, Redemption, Period [Domain]
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Contract with Customer, Liability [Abstract]
Contract with Customer, Liability [Abstract]
Cover [Abstract]
Cover [Abstract]
Net Carrying Value
Finite-Lived Intangible Assets, Net
Goodwill
Preliminary goodwill
Goodwill
Guarantor obligations, facility
Guarantor Obligations, Facility
Guarantor Obligations, Facility
Cost of revenue
Cost of Sales [Member]
Business Overview
Nature of Operations [Text Block]
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Liberty IT Solutions, LLC
Liberty IT Solutions, LLC [Member]
Liberty IT Solutions, LLC
Other
Other Liabilities and Deferred Revenue, Noncurrent
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Related-Party Transactions
Related Party Transactions Disclosure [Text Block]
Debt Instrument, Redemption, Period [Axis]
Debt Instrument, Redemption, Period [Axis]
Post-retirement plans
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Earnings for diluted computations
Undistributed Earnings, Diluted
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Accounting Standards Update 2016-13 [Member]