Accrued Compensation and Benefits [Abstract] ACCRUED COMPENSATION AND BENEFITS Accrued compensation and benefits Schedule of Accrued Compensation And Benefits [Table Text Block] Schedule of Accrued Compensation And Benefits [Table Text Block] Debt Disclosure [Abstract] DEBT Debt Disclosure [Text Block] Equity [Abstract] Common stock shares activity Schedule of Common Stock Outstanding Roll Forward [Table Text Block] STOCKHOLDERS' EQUITY Stockholders' Equity Note Disclosure [Text Block] Compensation and Retirement Disclosure [Abstract] EMPLOYEE BENEFIT PLANS Pension and Other Postretirement Benefits Disclosure [Text Block] Employees’ Capital Accumulation Plan, Total expense recongnized Defined Contribution Plan, Cost Recognized Employees’ Capital Accumulation Plan, Company-paid contributions Defined Contribution Plan, Employer Discretionary Contribution Amount Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Retired Officers' Bonus Plan Supplemental Employee Retirement Plans, Defined Benefit [Member] Officer Medical Plan Other Pension Plans, Postretirement or Supplemental Plans, Defined Benefit [Member] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Total benefit cost Defined Benefit Plan, Net Periodic Benefit Cost Defined benefit plan, unfunded status of plan Defined Benefit Plan, Funded Status of Plan Document and Entity Information [Abstract] Statement [Table] Statement [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Common Stock [Member] Common Stock [Member] Common stock, Class A Common Class A [Member] Non-voting common stock, Class B Common Class B [Member] Restricted common stock, Class C Common Class C [Member] Special voting common stock, Class E Common Class E [Member] Classification of common stock that has different rights than Common Class A, B or C shares, representing the voting rights that accompany options that were issued in exchange for old stock rights that existed prior to the merger with The Carlyle Group. Statement [Line Items] Statement [Line Items] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Income Tax Disclosure [Abstract] Effective income tax rate Effective Income Tax Rate, Continuing Operations Statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Stock-based compensation expense recognized in the condensed consolidated statements of operations Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Recorded stock-based compensation liabilities Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable, net of allowance Accounts Receivable, Net, Current Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property and equipment, net of accumulated depreciation Property, Plant and Equipment, Net Intangible assets, net of accumulated amortization Intangible Assets, Net (Excluding Goodwill) Goodwill Goodwill Other long-term assets Other Assets, Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Current portion of long-term debt Long-term Debt, Current Maturities Accounts payable and other accrued expenses Accounts Payable and Accrued Liabilities, Current Accrued compensation and benefits Employee-related Liabilities, Current Other current liabilities Other Liabilities, Current Total current liabilities Liabilities, Current Long-term debt, net of current portion Long-term Debt, Excluding Current Maturities Other long-term liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 13) Commitments and Contingencies Stockholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Common stock Common Stock, Value, Issued Treasury stock, at cost — 389,321 shares at September 30, 2012 and 333,775 shares at March 31, 2012 Treasury Stock, Value Additional paid-in capital Additional Paid in Capital, Common Stock Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total stockholders' equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders' equity Liabilities and Equity Earnings Per Share [Abstract] Reconciliation of the income used to compute basic and diluted EPS Schedule of Earnings Per Share Reconciliation [Table Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Rollover Options Rollover Options [Member] Rollover Options [Member] EIP Amended and Restated Equity Incentive Plan [Member] Amended and Restated Equity Incentive Plan [Member] Annual Incentive Plan Annual Incentive Plan [Member] Annual Incentive Plan [Member] Award Type [Axis] Award Type [Axis] Award Type [Domain] Award Type [Domain] Restricted stock Restricted Stock [Member] Stock options Stock Options [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Shares vested in period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Stock options outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Nonvested stock options Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number Stock options granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Stock options granted, value, per share Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Restricted stock granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Restricted stock, vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Restricted stock granted, fair value Share Based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Fair Value Share Based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Fair Value Restricted stock granted, 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 Stock-based compensation expense Share-based Compensation Unrecognized compensation cost related to unvested stock-based compensation agreements Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized Unrecognized compensation cost, amortization period Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition Components of net postretirement medical expense Schedule of Net Benefit Costs [Table Text Block] STOCK-BASED COMPENSATION Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Dividend, Type [Axis] Dividend, Type [Axis] Dividend, Type [Axis] Dividend, Type [Domain] Dividend, Type [Domain] Dividend, Type [Domain] Special Cash Dividend Special Cash Dividend [Member] Special Cash Dividend [Member] Recorded and unrecorded stock-based compensation liability, current and noncurrent Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent, Recorded and Unrecorded Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent, Recorded and Unrecorded Stock-based compensation liability, current Deferred Compensation Share-based Arrangements, Liability, Current Stock-based compensation liability, noncurrent Deferred Compensation Share-based Arrangements, Liability, Classified, Noncurrent Stock-based compensation liability, current and noncurrent Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent Share-based compensation arrangement, plan modification, incremental compensation cost, deferred, recognition period Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Deferred Incremental Compensation Cost, Recognition Period Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Deferred Incremental Compensation Cost, Recognition Period Unrecorded stock-based compensation liability, current and noncurrent Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent, Unrecorded Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent, Unrecorded Organization, Consolidation and Presentation of Financial Statements [Abstract] BASIS OF PRESENTATION Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] INCOME TAXES Income Tax Disclosure [Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Secured Debt Secured Debt [Member] Revolving Credit Facility Revolving Credit Facility [Member] Letter of Credit Letter of Credit [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Tranche A Loans Tranche-A Loans [Member] Tranche A Loans [Member] Tranche B Loans Tranche B Loans [Member] Tranche B Loans [Member] Minimum Minimum [Member] Maximum Maximum [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Long-term Debt, Current and Noncurrent [Abstract] Long-term Debt, Current and Noncurrent [Abstract] Interest rate Debt Instrument, Interest Rate at Period End Long-term debt Long-term Debt Less: Current portion of long-term debt Term loan, face amount Debt Instrument, Face Amount Revolving credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Amortization of original issuance discount on debt Amortization of Ratable Portions of Debt Issuance Costs and Original Issuance Discounts Not Qualifying for Deferral Amortization of Ratable Portions of Debt Issuance Costs and Original Issuance Discounts Not Qualifying for Deferral Debt issuance costs Debt Issuance Cost Quarterly principal periodic payment percentage Debt Instrument, Quarterly Periodic Payment Percentage, Principal Debt Instrument, Quarterly Periodic Payment Percentage, Principal Quarterly principal periodic payment percentage, year two Debt Instrument, Quarterly Periodic Payment Percentage, Principal, Year Two Debt Instrument, Quarterly Periodic Payment Percentage, Principal, Year Two Quarterly principal periodic payment percentage, year three Debt Instrument, Quarterly Periodic Payment Percentage, Principal, Year Three Debt Instrument, Quarterly Periodic Payment Percentage, Principal, Year Three Quarterly principal periodic payment percentage, year four Debt Instrument, Quarterly Periodic Payment Percentage, Principal, Year Four Debt Instrument, Quarterly Periodic Payment Percentage, Principal, Year Four Quarterly principal periodic payment percentage, year five Debt Instrument, Quarterly Periodic Payment Percentage, Principal, Year Five Debt Instrument, Quarterly Periodic Payment Percentage, Principal, Year Five Quarterly principal periodic payment percentage, year six Debt Instrument, Quarterly Periodic Payment Percentage, Principal, Year Six Debt Instrument, Quarterly Periodic Payment Percentage, Principal, Year Six Revolving credit facility, amount outstanding Line of Credit Facility, Amount Outstanding Long-term debt, variable rate basis Debt Instrument, Description of Variable Rate Basis Long-term debt, basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Extinguishment of debt during period Extinguishment of Debt, Amount Long-term debt, unamortized discount Debt Instrument, Unamortized Discount EARNINGS PER SHARE Earnings Per Share [Text Block] ACCRUED COMPENSATION AND BENEFITS Accrued Compensation and Benefits [Text Block] The entire disclosure for accrued compensation and benefits to include bonus, retirement, vacation and other. Commitments and Contingencies Disclosure [Abstract] COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Employee Stock Purchase Plan Employee Stock [Member] Ordinary Dividend Ordinary Cash Dividend [Member] Ordinary Cash Dividend [Member] Employee stock purchase plan, aggregate shares Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Employee stock purchase plan, purchase price discount from the fair market value Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date Shares purchased by employees under the employee stock purchase plan Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period Dividends declared per share Common Stock, Dividends, Per Share, Declared Cash payment for special dividends Payments of Capital Distribution Statement of Other Comprehensive Income [Abstract] Net income Net Income (Loss) Attributable to Parent Change in postretirement plan costs, net of tax Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, Net of Tax Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis] Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain] Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain] Cost of revenue Cost of Sales [Member] General and administrative expenses General and Administrative Expense [Member] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Stock-based compensation expense Allocated Share-based Compensation Expense Subsequent Events [Abstract] SUBSEQUENT EVENTS Subsequent Events [Text Block] Loss Contingencies [Table] Loss Contingencies [Table] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Legal proceedings and investigations arising in the ordinary course of business Legal Proceedings for Employment, Contract, Intellectual Property, Other Business Matters [Member] Legal Proceedings for Employment, Contract, Intellectual Property, Other Business Matters [Member] Former stockholder litigation Former Stockholder Litigation [Member] Former Stockholder Litigation [Member] Litigation Case [Axis] Litigation Case [Axis] Litigation Case Type [Domain] Litigation Case Type [Domain] RICO Racketeer Influenced and Corrupt Organizations Act [Member] Racketeer Influenced and Corrupt Organizations Act [Member] Litigation Court [Axis] Litigation Court [Axis] Litigation Court [Axis] Litigation Court Type [Domain] Litigation Court Type [Domain] Litigation Court Type [Domain] United States District Court for the Southern District of New York United States District Court for Southern District of New York [Member] United States District Court for Southern District of New York [Member] New York state court New York State Court [Member] New York State Court [Member] United States District Court for the Southern District of California United States District Court for Southern District of California [Member] United States District Court for Southern District of California [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Loss contingencies, number of plaintiffs Loss Contingency, Number of Plaintiffs Loss contingencies, new claims filed, number Loss Contingency, New Claims Filed, Number Loss contingencies, claims amended, number Loss Contingency, Claims Amended, Number Loss Contingency, Claims Amended, Number Loss contingencies, claims dismissed, number Loss Contingency, Claims Settled and Dismissed, Number Loss contingencies, pending claims, number Loss Contingency, Pending Claims, Number Loss contingencies, damages sought, value Loss Contingency, Damages Sought, Value Number of employees Entity Number of Employees Debt Schedule of Debt [Table Text Block] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Special voting common stock, Class E Class of Stock [Line Items] Class of Stock [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares issued, beginning of period Common Stock, Shares, Issued Issuance of common stock Stock Issued During Period, Shares, New Issues Stock options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Share exchange Conversion of Stock, Shares Converted Common stock, shares issued, end of period Treasury stock, shares, beginning of period Treasury Stock, Shares Repurchase of common stock Treasury Stock, Shares, Acquired Treasury stock, shares, end of period Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Schedule of Earnings Per Share Basic And Diluted by Common Class [Table] Schedule of Earnings Per Share Basic And Diluted by Common Class [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Unvested Class A and Class C Restricted Common Stock Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Schedule of Earnings Per Share Basic And Diluted by Common Class [Line Items] Schedule of Earnings Per Share Basic And Diluted by Common Class [Line Items] Earnings for basic computations Undistributed Earnings, Basic Weighted-average common shares outstanding for basic computations Weighted Average Number of Shares Outstanding, Basic Earnings for diluted computations Undistributed Earnings, Diluted Dilutive stock options and restricted stock Weighted Average Number Diluted Shares Outstanding Adjustment Average number of common shares outstanding for diluted computations Weighted Average Number of Shares Outstanding, Diluted Earnings per common share, Basic Earnings Per Share, Basic Earnings per common share, Diluted Earnings Per Share, Diluted Unvested shares participating in the payment of the Company's dividends declared Incremental Common Shares Attributable to Participating Nonvested Shares with Non-forfeitable Dividend Rights Unvested shares, cash dividends paid Antidilutive options excluded from the computation of EPS Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Income Statement [Abstract] Revenue Sales Revenue, Services, Net Operating costs and expenses: Costs and Expenses [Abstract] Cost of revenue Cost of Services, Direct Labor, Employee Benefits, and Overhead Cost of revenue includes direct labor, related employee benefits, and overhead. Billable expenses Billable Expenses Billable expenses include direct subcontractor expenses, travel expenses, and other expenses incurred to perform on contracts. General and administrative expenses General and Administrative Expense Depreciation and amortization Depreciation, Depletion and Amortization Total operating costs and expenses Costs and Expenses Operating income Operating Income (Loss) Interest expense Interest Expense Other, net Other Nonoperating Income (Expense) Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income tax expense Income Tax Expense (Benefit) Net income Earnings per common share (Note 3): Basic (in dollars per share) Diluted (in dollars per share) Receivables [Abstract] Current Accounts Receivable, Net, Current [Abstract] Accounts receivable–billed Current Accounts Receivable, Billed Amounts due within one year of the balance sheet date (or the normal operating cycle, whichever is longer), that have been billed to customers under contracts or programs but not paid as of the balance sheet date. Accounts receivable–unbilled Current Accounts Receivable, Unbilled Amounts due within one year of the balance sheet date (or the normal operating cycle, whichever is longer), that have not been billed to customers for services rendered or to be rendered. Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Accounts receivable, net Long-term Accounts Receivable, Net, Noncurrent [Abstract] Unbilled receivables related to retainage and holdbacks Noncurrent Accounts Receivable, Unbilled Noncurrent Accounts Receivable, Unbilled Total accounts receivable, net Accounts Receivable, Net Provision for doubtful accounts Provision for Doubtful Accounts Accounts receivable, net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Defense Systems Engineering and Support (DSES) division of ARINC Incorporated Defense Systems Engineering and Support Division of ARINC Incorporated [Member] Defense Systems Engineering and Support Division of ARINC Incorporated [Member] Dividends [Axis] Dividends [Axis] Dividends [Domain] Dividends [Domain] Dividend Declared Dividend Declared [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Subsequent Event [Line Items] Subsequent Event [Line Items] Business acquisition, percentage of voting interests acquired Business Acquisition, Percentage of Voting Interests Acquired Business acquisition, purchase price Business Acquisition, Cost of Acquired Entity, Cash Paid Business acquisition, transaction costs Business Acquisition, Cost of Acquired Entity, Transaction Costs Business acquisition, transactions costs recongized during period Business Combination, Acquisition Related Costs BUSINESS OVERVIEW Nature of Operations [Text Block] Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common stock, shares outstanding Common Stock, Shares, Outstanding Treasury stock, shares Bonus Accrued Bonuses, Current Retirement Capital Accumulation Plans, Current Liabilities Employer contribution to ECAP plan. Vacation Accrued Vacation, Current Stock Based Compensation Liability Stock Based Compensation Liability Stock Based Compensation Liability Other Other Employee Related Liabilities, Current Total accrued compensation and benefits Restructuring liability Restructuring Reserve, Current ACCOUNTS RECEIVABLE, NET Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Dividends [Table] Dividends [Table] Dividends [Table] Dividends [Line Items] Dividends [Line Items] Dividends [Line Items] Dividend declared, pre-dividend exercise price per share, maximum Dividend, Exercise Price of Record Threshold, Per Share, Maximum Dividend, Exercise Price of Record Threshold, Per Share, Maximum Dividend, option exercise price reduction, per share Dividend, Option Exercise Price Reduction, Per Share Dividend, Option Exercise Price Reduction, Per Share Share-based compensation arrangement, plan modification, incremental compensation cost Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost Share-based compensation arrangement, plan modification, incremental compensation cost recognized in period Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost Recognized Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost Recognized Share-based compensation arrangement, plan modification, incremental compensation cost, deferred Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Deferred Incremental Compensation Cost Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Deferred Incremental Compensation Cost Related Party Transactions [Abstract] Revenue associated with related parties Revenue from Related Parties Cost associated with related parties Costs and Expenses, Related Party Management agreement, annual fee Management Agreement, Annual Fee Management Agreement, Annual Fee Management agreement, advisory fees Related Party Transaction, Management Agreement Advisory Fees Related Party Transaction, Management Agreement Advisory Fees Derivative Instruments and Hedging Activities Disclosure [Abstract] FINANCIALS INSTRUMENTS Financial Instruments Disclosure [Text Block] Statement of Cash Flows [Abstract] Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Gain on sale of state and local transportation business Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Transaction costs on sale of state and local transportation business Business Exit Costs Amortization of debt issuance costs Amortization of Financing Costs Amortization of original issuance discount on debt Amortization of Debt Discount (Premium) Loss on extinguishment Write off of Deferred Debt Issuance Cost Excess tax benefits from the exercise of stock options Excess Tax Benefit (Tax Deficiency) from Share-based Compensation, Operating Activities Loss on disposition of property and equipment Gain (Loss) on Disposition of Property Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable, net Increase (Decrease) in Accounts Receivable Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Other long-term assets Increase (Decrease) in Other Operating Assets Accrued compensation and benefits Increase (Decrease) in Employee Related Liabilities Accounts payable and other accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Accrued interest Increase (Decrease) in Interest Payable, Net Other current liabilities Increase (Decrease) in Other Operating Liabilities Other long-term liabilities Increase (Decrease) in Other Noncurrent Liabilities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Proceeds from sale of state and local transportation business Proceeds from Divestiture of Businesses Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Net proceeds from issuance of common stock Proceeds from Issuance of Common Stock Cash dividends paid Payments of Ordinary Dividends, Common Stock Dividend equivalents to option holders Repayment of debt Repayments of Debt Net proceeds from debt Proceeds from Issuance of Long-term Debt Excess tax benefits from the exercise of stock options Excess Tax Benefit (Tax Deficiency) from Share-based Compensation, Financing Activities Stock option exercises Proceeds from Stock Options Exercised Repurchases of common stock Payments for Repurchase of Common Stock Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents-beginning of period Cash and cash equivalents-end of period Supplemental disclosures of cash flow information Supplemental Cash Flow Information [Abstract] Cash paid during the period for: Cash Payments Abstract Cash paid during the period for: Interest Interest Paid Income taxes Income Taxes Paid, Net Number of facility leases assigned to Booz & Co., outstanding Number of Facility Leases Assigned to Predecessor Company, Outstanding Number of Facility Leases Assigned to Predecessor Company, Outstanding Maximum potential amount of undiscounted future lease payments Guarantor Obligations, Maximum Exposure, Undiscounted Liability for reductions and/or penalties from U.S Governement audits Liability for Cost Reductions And Penalties, Contracts with U S Government and Government Agencies Liability for Cost Reductions And Penalties, Contracts with US Government and Government Agencies Concentration Risk [Table] Concentration Risk [Table] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Contracts with U.S. government agencies or other U.S. government contractors Government Contracts Concentration Risk [Member] Concentration Risk [Line Items] Concentration Risk [Line Items] Concentration risk, percentage Concentration Risk, Percentage RELATED-PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block]