Payables and Accruals [Abstract]
Schedule of accounts payable and other accrued expenses
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
Income Tax Disclosure [Abstract]
Components of income tax expense
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Effective income tax rate reconciliation
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Components of deferred tax assets and liabilities
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Potential tax benefits roll forward
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
Compensation and Retirement Disclosure [Abstract]
Unrecognized gross actuarial loss
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax
Unrecognized net actuarial gain
Defined Benefit Plan, Accumulated Other Comprehensive Income Net Gains (Losses), after Tax
Unrecognized actuarial gain (loss), tax
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Tax
Amount of tax expense (benefit) related to (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption and increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit.
Amount to be amortized from accumulated other comprehensive income (loss) next fiscal year
Defined Benefit Plan, Future Amortization of Gain (Loss)
Net prior service cost, accumulated other comprehensive income net periodic cost in fiscal 2016
Defined Benefit Plan, Future Amortization of Prior Service Cost (Credit)
Net transition (asset) obligation, accumulated other comprehensive income net periodic cost in fiscal 2016
Defined Benefit Plan, Future Amortization of Transition Obligation (Asset)
Segment Reporting [Abstract]
Number of operating segments
Number of Operating Segments
Number of reportable segments
Number of Reportable Segments
Quarterly Financial Information Disclosure [Abstract]
UNAUDITED QUARTERLY FINANCIAL DATA
Quarterly Financial Information [Text Block]
Fair Value Disclosures [Abstract]
Balance at March 31, 2015
Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value
Total gains recognized in earnings, net
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings
Balance at March 31, 2016
Statement of Stockholders' Equity [Abstract]
Statement [Table]
Statement [Table]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Common Stock
Common Stock [Member]
Treasury Stock
Treasury Stock [Member]
Additional Paid-in Capital
Additional Paid-in Capital [Member]
(Accumulated Deficit) Retained Earnings
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent [Member]
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
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]
Balance (shares)
Shares, Outstanding
Balance
Stockholders' Equity Attributable to Parent
Issuance of common stock, in shares
Stock Issued During Period, Shares, New Issues
Issuance of common stock
Stock Issued During Period, Value, New Issues
Stock options exercised, in shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Stock options exercised
Stock Issued During Period, Value, Stock Options Exercised
Excess tax benefits from the exercise of stock options
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation
Share exchange, in shares
Stock Issued During Period Shares, Share Exchange
Stock ssued During Period Shares, Share Exchange
Share exchange
Stock Issued During Period, Value Share Exchange
Stock Issued During Period, Value Share Exchange
Repurchase of common stock, in shares
Treasury Stock, Shares, Acquired
Repurchase of common stock
Treasury Stock, Value, Acquired, Cost Method
Recognition of liability related to future stock option exercises (Note 16)
Adjustments To Additional Paid In Capital Recognition Of Liability Related To Future Stock Option Exercises
Adjustments To Additional Paid In Capital Recognition Of Liability Related To Future Stock Option Exercises
Net income
Net Income (Loss) Attributable to Parent
Change in postretirement plan costs, net of tax
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Net of Tax
Comprehensive income
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Dividends paid
Dividends, Cash
Stock-based compensation expense
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition
Balance (shares)
Balance
Debt Disclosure [Abstract]
Debt
Schedule of Debt [Table Text Block]
Future debt principal repayments
Schedule of Maturities of Long-term Debt [Table Text Block]
Interest expense
Interest Income and Interest Expense Disclosure [Table Text Block]
Employer Matching Contribution, Percent of Match
Defined Contribution Plan, Employer Matching Contribution, Percent of Match
Employees’ Capital Accumulation Plan, Total expense recognized
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 Plan and Other Postretirement Benefit Plan [Domain]
Retired Officers' Bonus Plan
Supplemental Employee Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Deferred Compensation Arrangement with Individual, Annual Cash Award Granted per Year of Service, Amount
Deferred Compensation Arrangement with Individual, Annual Cash Award Granted per Year of Service, Amount
Deferred Compensation Arrangement with Individual, Annual Cash Award Granted per Year of Service, Amount
Equity [Abstract]
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]
Employee Stock Purchase Plan
Employee Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
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
Share repurchase program, amount authorized
Stock Repurchase Program, Authorized Amount
Repurchase of common stock, in shares
Repurchase of common stock
Repurchase of common stock, cost per share
Treasury Stock Acquired, Average Cost Per Share
Share repurchase program, remaining authorized repurchase amount
Stock Repurchase Program, Remaining Authorized Repurchase Amount
Components of net postretirement medical expense
Schedule of Net Benefit Costs [Table Text Block]
Weighted-average discount rate for benefit obligation
Schedule of Assumptions Used [Table Text Block]
Assumed health care cost trend rates
Schedule of Health Care Cost Trend Rates [Table Text Block]
Effect of one-percentage-point change in assumed health care cost trend rates
Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block]
Change in Benefit Obligation
Schedule of Changes in Projected Benefit Obligations [Table Text Block]
Change in fair value of plan assets
Schedule of Changes in Fair Value of Plan Assets [Table Text Block]
Expected future benefit payments
Schedule of Expected Benefit Payments [Table Text Block]
Reclassification out of Accumulated Other Comprehensive Income [Table]
Reclassification out of Accumulated Other Comprehensive Income [Table]
Reclassification out of Accumulated Other Comprehensive Income [Axis]
Reclassification out of Accumulated Other Comprehensive Income [Axis]
Reclassification out of Accumulated Other Comprehensive Income [Domain]
Reclassification out of Accumulated Other Comprehensive Income [Domain]
Reclassification out of Accumulated Other Comprehensive Income
Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Defined Benefit Plans Adjustment
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
Total before tax
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax
Tax benefit
Income Tax Expense (Benefit)
Net of tax
Net Income (Loss) Available to Common Stockholders, Basic
Accounting Policies [Abstract]
Schedule of Finite-Lived Intangible Assets [Table]
Schedule of Finite-Lived Intangible Assets [Table]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Customer relationships
Order or Production Backlog [Member]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Minimum
Minimum [Member]
Maximum
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life
Finite-Lived Intangible Asset, Useful Life
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]
Debt Instrument [Axis]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Term Loan A
Tranche-A Loans [Member]
Tranche A Loans [Member]
Term Loan B
Tranche B Loans [Member]
Tranche B Loans [Member]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Interest Expense, Debt
Interest Expense, Debt
Deferred payment obligation, accrued interest payment
Deferred Payment Obligation, Interest Payment
Deferred Payment Obligation, Interest Payment
Amortization of Debt Issuance Costs (DIC) and Original Issue Discount (OID)
Amortization of Financing Costs and Discounts
Interest Expense, Other
Interest Expense, Other
Interest Expense
Interest Expense
Property, Plant and Equipment [Abstract]
PROPERTY AND EQUIPMENT, NET
Property, Plant and Equipment Disclosure [Text Block]
Related Party Transactions [Abstract]
Underwriting agreement, shares sold by selling stockholder
Underwriting Agreement - Shares Sold By Selling Stockholder
Underwriting Agreement - Shares Sold By Selling Stockholder
Revenue associated with related parties
Revenue from Related Parties
Cost associated with related parties
Costs and Expenses, Related Party
Lender syndicate, outstanding debt amount
Related Party Transaction, Long-Term Debt, Amount
Related Party Transaction, Long-Term Debt, Amount
Management agreement, annual fee
Management Agreement, Annual Fee
Management Agreement, Annual Fee
Management agreement, one-time payment
Related-Party Transaction, Management Agreement, One-time Payment
Related-Party Transaction, Management Agreement, One-time Payment
Management agreement, advisory fees
Related Party Transaction, Management Agreement Advisory Fees
Related Party Transaction, Management Agreement Advisory Fees
Recurring Fair Value Measurements
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
Summary of Changes in Fair Value of Contingent Earnout Liability, Categorized as Level 3
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Commitments and Contingencies Disclosure [Abstract]
Future minimum operating lease payments
Operating Leases of Lessee Disclosure [Table Text Block]
Schedule of accumulated other comprehensive loss
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Reclassifications out of accumulated other comprehensive loss to net income
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Receivables [Abstract]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]
Schedule of Accounts, Notes, Loans and Financing Receivable [Table]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Accounts Receivable
Accounts Receivable [Member]
Other Noncurrent Assets
Other Noncurrent Assets [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable-billed
Billed Contracts Receivable
Accounts receivable-unbilled
Unbilled Contracts Receivable
Allowance for doubtful accounts
Allowance for Doubtful Accounts Receivable, Current
Accounts receivable, net, current
Accounts Receivable, Net, Current
Total accounts receivable, net
Accounts Receivable, Net
Provision for doubtful accounts
Provision for Doubtful Accounts
BUSINESS SEGMENT INFORMATION
Segment Reporting Disclosure [Text Block]
Other Liabilities Disclosure [Abstract]
Other long-term liabilities
Schedule of Other Assets and Other Liabilities [Table Text Block]
Dividends Declared [Table Text Block]
Dividends Declared [Table Text Block]
ACCOUNTS PAYABLE AND OTHER ACCRUED EXPENSES
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock Options
Employee Stock Option [Member]
Dividend, Type [Axis]
Dividend, Type [Axis]
Dividend, Type [Axis]
Dividend, Type [Domain]
Dividend, Type [Domain]
Dividend, Type [Domain]
Ordinary Dividend
Ordinary Cash Dividend [Member]
Ordinary Cash Dividend [Member]
Special Cash Dividend
Special Cash Dividend [Member]
Special Cash Dividend [Member]
Rollover Plan
Rollover Options [Member]
Rollover Options [Member]
Non-Retirement Eligible
Non-Retirement Eligible [Member]
Non-Retirement Eligible [Member]
EIP
Amended and Restated Equity Incentive Plan [Member]
Amended and Restated Equity Incentive Plan [Member]
Award Type [Axis]
Award Type [Axis]
Award Type [Domain]
Equity Award [Domain]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Unvested, beginning balance
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Unvested, beginning balance, weighted average grant date fair value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Granted
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Granted, weighted average grant date fair value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Vested
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Vested, weighted average grant date fair value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Forfeited
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Forfeited, weighted average grant date fair value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Unvested, ending balance
Unvested, beginning balance, weighted average grant date fair value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning balance
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Outstanding, beginning balance, weighted average exercise price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Granted
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Granted, weighted average exercise price
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Forfeited
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Forfeited, weighted average exercise price
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Expired
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period
Expired, weighted average exercise price
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price
Exercised
Exercised, weighted average exercise price
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Outstanding, ending balance
Outstanding, ending balance, weighted average exercise price
Dividends declared per share
Common Stock, Dividends, Per Share, Declared
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 by Share-based Payment Award, Options, Vested and Expected to Vest [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest [Abstract]
Unvested, beginning balance
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Unvested, beginning balance, weighted average grant date fair value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value
Granted, weighted average grant date fair value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Vested
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares
Vested, weighted average grant date fair value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value
Forfeited
Forfeited, weighted average grant date fair value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value
Unvested, ending balance
Unvested, ending balance, weighted average grant date fair value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Exercise price, lower range limit
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit
Exercise price, upper range limit
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit
Outstanding, ending balance, weighted average remaining contractual life, in years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Outstanding, intrinsic value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Stock options exercisable
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Stock options exercisable, weighted average exercise price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Stock options exercisable, weighted average remaining contractual life, in years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Stock options exercisable, intrinsic value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
Accounts receivable, net
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
DEFERRED PAYMENT OBLIGATION
Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Noncurrent [Text Block]
Valuation and Qualifying Accounts [Abstract]
SUPPLEMENTAL FINANCIAL INFORMATION
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
Components of property and equipment, net
Property, Plant and Equipment [Table Text Block]
ACCUMULATED OTHER COMPREHENSIVE LOSS
Comprehensive Income (Loss) Note [Text Block]
Schedule of Property, Plant and Equipment [Table]
Property, Plant and Equipment [Table]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Axis]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Domain]
Furniture and equipment
Furniture and Fixtures [Member]
Computer equipment
Computer Equipment [Member]
Software
Software and Software Development Costs [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life
Property, Plant and Equipment, Useful Life
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Indefinite-Lived Intangible Assets [Table]
Schedule of Indefinite-Lived Intangible Assets [Table]
Indefinite-lived Intangible Assets by Major Class [Axis]
Indefinite-lived Intangible Assets [Axis]
Indefinite-lived Intangible Assets, Major Class Name [Domain]
Indefinite-lived Intangible Assets, Major Class Name [Domain]
Trade name
Trade Names [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets
Indefinite-Lived Intangible Assets (Excluding Goodwill)
Intangible Assets
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Intangible Assets, Gross
Intangible Assets, Gross (Excluding Goodwill)
Accumulated Amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Intangible Assets, Net
Intangible Assets, Net (Excluding Goodwill)
ACCOUNTS RECEIVABLE, NET
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
Rent expense, net
Operating Leases, Rent Expense, Net
Rent expense, sublease rentals
Operating Leases, Rent Expense, Sublease Rentals
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017
Operating Leases, Future Minimum Payments Due, Next Twelve Months
2018
Operating Leases, Future Minimum Payments, Due in Two Years
2019
Operating Leases, Future Minimum Payments, Due in Three Years
2020
Operating Leases, Future Minimum Payments, Due in Four Years
2021
Operating Leases, Future Minimum Payments, Due in Five Years
Thereafter
Operating Leases, Future Minimum Payments, Due Thereafter
Operating leases, future minimum payments due
Operating Leases, Future Minimum Payments Due
Operating Leases, Future Minimum Payments Due, Sublease Rentals, Fiscal Year Maturity [Abstract]
Operating Leases, Future Minimum Payments Due, Sublease Rentals, Fiscal Year Maturity [Abstract]
Operating Leases, Future Minimum Payments Due, Sublease Rentals, Fiscal Year Maturity [Abstract]
2017
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, In Twelve Months
Contractually required future rental payments receivable within twelve months from the balance sheet date on noncancelable subleasing arrangements.
2018
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, in Two Years
Contractually required future rental payments receivable within the second year from the balance sheet date on noncancelable subleasing arrangements.
2019
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, in Three Years
Contractually required future rental payments receivable within the third year from the balance sheet date on noncancelable subleasing arrangements.
2020
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, in Four Years
Contractually required future rental payments receivable within the fourth year from the balance sheet date on noncancelable subleasing arrangements.
2021
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, in Five Years
Contractually required future rental payments receivable within the fifth year from the balance sheet date on noncancelable subleasing arrangements.
Thereafter
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals, Due Thereafter
Contractually required future rental payments receivable after the fifth year from the balance sheet date on noncancelable subleasing arrangements.
Operating leases, future minimum payments due, future minimum sublease rentals
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals
Number of facility leases assigned to Booz & Co.
Number of Facility Leases Assigned to Predecessor Company
Number of Facility Leases Assigned to Predecessor Company
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
Concentration Risk [Table]
Concentration Risk [Table]
Guarantor Obligations, Nature [Axis]
Guarantor Obligations, Nature [Axis]
Guarantor Obligations, Nature [Domain]
Guarantor Obligations, Nature [Domain]
Financial Standby Letter of Credit [Member]
Financial Standby Letter of Credit [Member]
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]
Guarantor Obligations, Current Carrying Value
Guarantor Obligations, Current Carrying Value
Guarantor Obligations, Liquidation Proceeds, Monetary Amount
Guarantor Obligations, Liquidation Proceeds, Monetary Amount
Guarantor Obligations, Facility
Guarantor Obligations, Facility
Guarantor Obligations, Facility
Guarantor Obligations, Available Amount
Guarantor Obligations, Available Amount
Guarantor Obligations, Available Amount
Concentration risk, percentage
Concentration Risk, Percentage
Loss Contingencies [Table]
Loss Contingencies [Table]
Loss Contingency Nature [Axis]
Loss Contingency Nature [Axis]
Loss Contingency, Nature [Domain]
Loss Contingency, Nature [Domain]
Unfavorable Regulatory Action
Unfavorable Regulatory Action [Member]
Loss Contingencies [Line Items]
Loss Contingencies [Line Items]
Liability for reductions and/or penalties from U.S Governement audits
Loss Contingency Accrual
Compensation Related Costs [Abstract]
ACCRUED COMPENSATION AND BENEFITS
Compensation Related Costs, General [Text Block]
RELATED-PARTY TRANSACTIONS
Related Party Transactions Disclosure [Text Block]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Dividend Equivalent, Per Share
Share-based Compensation Arrangement by Share-based Payment Award, Options, Dividend Equivalent, Per Share
Share-based Compensation Arrangement by Share-based Payment Award, Options, Dividend Equivalent, Per Share
Cash payment for special dividends
Payments of Capital Distribution
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
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
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
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
Unrecognized compensation cost, amortization period
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Deferred income tax assets:
Deferred Tax Assets, Net [Abstract]
Accrued expenses
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities
Accrued compensation
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation
Stock-based compensation
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost
Pension and postretirement benefits
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits
Property and equipment
Deferred Tax Assets, Property, Plant and Equipment
Net operating loss & Capital loss carryforwards
Deferred Tax Assets, Net Operating Loss & Capital Loss Carryforwards
Deferred Tax Assets, Net Operating Loss & Capital Loss Carryforwards
Deferred rent and tenant allowance
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent
Other
Deferred Tax Assets, Other
Total gross deferred income tax assets
Deferred Tax Assets, Gross
Less: Valuation allowance
Deferred Tax Assets, Valuation Allowance
Total net deferred income tax assets
Deferred Tax Assets, Net of Valuation Allowance
Deferred income tax liabilities:
Deferred Tax Liabilities, Net [Abstract]
Accrued Compensation-IRC Section 481(a)
Deferred Tax Liabilities, Accrued Compensation-IRC Section 481(a)
Deferred Tax Liabilities, Accrued Compensation-IRC Section 481(a)
Unbilled receivables
Deferred Tax Liabilities, Current Accounts Receivable, Unbilled
Amount of deferred tax liability attributable to taxable temporary differences from unbilled current accounts receivable.
Intangible assets
Deferred Tax Liabilities, Intangible Assets
Debt issuance costs
Deferred Tax Liabilities, Deferred Expense, Deferred Financing Costs
Other
Deferred Tax Liabilities, Other
Total deferred income tax liabilities
Deferred Tax Liabilities, Gross
Net deferred income tax asset
Deferred Tax Assets, Net
Schedule of valuation and qualifying accounts
Schedule of Valuation and Qualifying Accounts [Table Text Block]
Schedule of Valuation and Qualifying Accounts [Table Text Block]
Earnings Per Share [Abstract]
Reconciliation of the income used to compute basic and diluted EPS
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Federal statutory income tax rate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Income tax expense computed at U.S. federal statutory rate (35%)
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
Changes in uncertain tax positions
Effective Income Tax Rate Reconciliation, Tax Contingency, Amount
State and local income taxes, net of federal tax
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount
Meals and entertainment
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Meals and Entertainment, Amount
Other
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
Total
Total
Long-term Debt, Gross
2017
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months
2018
Long-term Debt, Maturities, Repayments of Principal in Year Two
2019
Long-term Debt, Maturities, Repayments of Principal in Year Three
2020
Long-term Debt, Maturities, Repayments of Principal in Year Four
2021
Long-term Debt, Maturities, Repayments of Principal in Year Five
Thereafter
Long-term Debt, Maturities, Repayments of Principal after Year Five
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Measurement Frequency [Axis]
Measurement Frequency [Axis]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurement Frequency [Domain]
Fair Value, Measurements, Recurring
Fair Value, Measurements, Recurring [Member]
Fair Value, Hierarchy [Axis]
Fair Value, Hierarchy [Axis]
Fair Value Hierarchy [Domain]
Fair Value Hierarchy [Domain]
Level 1
Fair Value, Inputs, Level 1 [Member]
Level 2
Fair Value, Inputs, Level 2 [Member]
Level 3
Fair Value, Inputs, Level 3 [Member]
Asset Class [Axis]
Asset Class [Axis]
Fair Value by Asset Class [Domain]
Asset Class [Domain]
Cash and cash equivalents
Cash [Member]
Money market fund
Money Market Funds [Member]
Liability Class [Axis]
Liability Class [Axis]
Fair Value by Liability Class [Domain]
Fair Value by Liability Class [Domain]
Liability
Other Noncurrent Liabilities [Member]
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]
Total cash and cash equivalents
Cash and Cash Equivalents, Fair Value Disclosure
Business Combination, Contingent Consideration, Liability, Noncurrent
Business Combination, Contingent Consideration, Liability, Noncurrent
Total liabilities
Liabilities, Fair Value Disclosure, Recurring
Money market funds, net asset value per share
Cash And Cash Equivalents Invested In Money Market Funds, Net Asset Value, Per Share
Cash And Cash Equivalents Invested In Money Market Funds, Net Asset Value, Per Share
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High
Fair Value Assumptions, Expected Volatility Rate
Fair Value Assumptions, Expected Volatility Rate
Letter of Credit
Letter of Credit [Member]
Variable Rate [Axis]
Variable Rate [Axis]
Variable Rate [Domain]
Variable Rate [Domain]
London Interbank Offered Rate (LIBOR) [Member]
London Interbank Offered Rate (LIBOR) [Member]
Alternative Base Rate (ABR) [Member]
Alternative Base Rate (ABR) [Member]
Alternative Base Rate (ABR) [Member]
Proceeds from debt issuance
Proceeds from Issuance 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
Proceeds from line of credit
Proceeds from Lines of Credit
Revolving credit facility, amount outstanding
Long-term Line of Credit
Quarterly periodic payment percentage, principal
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
Repayment of debt
Repayments of Debt
Long-term debt, basis spread on variable rate
Debt Instrument, Basis Spread on Variable Rate
Interest Paid
Interest Paid
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
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
Deferred income taxes
Deferred Tax Assets, Net, Noncurrent
Intangible assets, net of accumulated amortization
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
Income tax reserve
Liability for Uncertain Tax Positions, Noncurrent
Other long-term liabilities
Other Liabilities, Noncurrent
Total liabilities
Liabilities
Commitments and contingencies
Commitments and Contingencies
Stockholders' equity:
Stockholders' Equity Attributable to Parent [Abstract]
Common stock
Common Stock, Value, Issued
Treasury stock, at cost
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
Total liabilities and stockholders' equity
Liabilities and Equity
Customer relationships and other amortizable intangible assets
Gross Carrying Value
Finite-Lived Intangible Assets, Gross
Finite-Lived Intangible Assets, Net Carrying Value
Finite-Lived Intangible Assets, Net
Officer Medical Plan
Other Pension Plan, Postretirement or Supplemental Plans [Member]
Service cost
Defined Benefit Plan, Service Cost
Interest cost
Defined Benefit Plan, Interest Cost
Net actuarial loss
Defined Benefit Plan, Amortization of Gains (Losses)
Total postretirement medical expense
Defined Benefit Plan, Net Periodic Benefit Cost
Leasehold improvements
Leasehold Improvements [Member]
Internally developed software
Software Development [Member]
Property and equipment, gross
Property, Plant and Equipment, Gross
Accumulated depreciation and amortization
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Property and equipment, net
Depreciation and amortization expense related to property and equipment
Depreciation
Reduction to gross cost and accumulated depreciation for zero net book value assets
Accumulated Depreciation, Depletion and Amortization, Sale or Disposal of Property, Plant and Equipment
EARNINGS PER SHARE
Earnings Per Share [Text Block]
Common stock votes per share
Common Stock Votes Per Share
Common stock votes per share
Revenue
Sales Revenue, Services, Net
Operating income
Operating Income (Loss)
Income before income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest
Earnings per common share:
Earnings per common share, Basic
Earnings Per Share, Basic
Earnings per common share, Diluted
Earnings Per Share, Diluted
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Revenue Recognition
Revenue Recognition, Policy [Policy Text Block]
Cash and Cash Equivalents
Cash and Cash Equivalents, Unrestricted Cash and Cash Equivalents, Policy [Policy Text Block]
Valuation of Accounts Receivable
Trade and Other Accounts Receivable, Policy [Policy Text Block]
Concentrations of Credit Risk
Concentration Risk, Credit Risk, Policy [Policy Text Block]
Property and Equipment
Property, Plant and Equipment, Policy [Policy Text Block]
Business Combinations
Business Combinations Policy [Policy Text Block]
Intangible Assets
Goodwill and Intangible Assets, Intangible Assets, Policy [Policy Text Block]
Goodwill
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
Long-Lived Assets
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]
Income Taxes
Income Tax, Policy [Policy Text Block]
Comprehensive Income
Comprehensive Income, Policy [Policy Text Block]
Share-Based Payments
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]
Defined Benefit Plan and Other Postretirement Benefits
Pension and Other Postretirement Plans, Policy [Policy Text Block]
Self-Funded Medical Plans
Self Insurance Reserve [Policy Text Block]
Fair Value Measurements
Fair Value Measurement, Policy [Policy Text Block]
Recent Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of employees
Entity Number of Employees
Document and Entity Information [Abstract]
Entities [Table]
Entities [Table]
Entity Information [Line Items]
Entity Information [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 Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Voluntary Filers
Entity Current Reporting Status
Entity Current Reporting Status
Entity Public Float
Entity Public Float
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Deferred Tax Assets, Net, Current
Deferred Tax Assets, Net, Current
Deferred Finance Costs, Net
Deferred Finance Costs, Net
OTHER LONG-TERM LIABILITIES
Other Liabilities Disclosure [Text Block]
FAIR VALUE MEASUREMENTS
Fair Value Disclosures [Text Block]
BUSINESS OVERVIEW
Nature of Operations [Text Block]
Former stockholder litigation
Former Stockholder Litigation [Member]
Former Stockholder Litigation [Member]
Litigation Case [Axis]
Litigation Case [Axis]
Litigation Case Type [Domain]
Litigation Case [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 Court of Appeals for the Ninth Circuit
United States Court of Appeals for the Ninth Circuit [Member]
United States Court of Appeals for the Ninth Circuit [Member]
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]
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, claims settled, number
Loss Contingency, Claims Settled, Number
Loss contingencies, pending claims, number
Loss Contingency, Pending Claims, Number
Loss contingencies, damages sought, value
Loss Contingency, Damages Sought, Value
INCOME TAXES
Income Tax Disclosure [Text Block]
Pre-acquisition uncertain tax positions
Pre-acquisition uncertain tax positions
Pre-acquisition uncertain tax positions
Income tax reserve, accrued penalties and interest
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued
Release of indemnified pre-acquisition uncertain tax positions
Release of indemnified pre-acquisition uncertain tax positions
Release of Indemnified Pre-Acquisition Uncertain Tax Positions
Pre-acquisition Uncertain Tax Positions that May Be Indemnified Under the Remaining Available Deferred Payment Obligation
Pre-acquisition Uncertain Tax Positions that May Be Indemnified Under the Remaining Available Deferred Payment Obligation
Pre-acquisition Uncertain Tax Positions that May Be Indemnified Under the Remaining Available Deferred Payment Obligation
Reconciliation of the beginning and ending amount of potential tax benefits
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning of year
Unrecognized Tax Benefits
Increases in prior year position
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions
Increases in current year position
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions
Settlements with taxing authorities
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities
Lapse of statute of limitations
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations
End of year
Accrued interest and penalties
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense
Health care cost trend rate assumed for next year, Pre 65
Defined Benefit Plan, Health Care Cost Trend Rate Assumed For Next Fiscal Year, Pre 65
Defined Benefit Plan, Health Care Cost Trend Rate Assumed For Next Fiscal Year, Pre 65
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate), Pre 65
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate, Pre 65
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate, Pre 65
Year that the rate reaches the ultimate trend rate, Pre 65
Defined Benefit Plan, Year That Rate Reaches Ultimate Trend Rate, Pre 65
Defined Benefit Plan, Year That Rate Reaches Ultimate Trend Rate, Pre 65
Health care cost trend rate assumed for next year, Post 65
Defined Benefit Plan, Health Care Cost Trend Rate Assumed For Next Fiscal Year, Post 65
Defined Benefit Plan, Health Care Cost Trend Rate Assumed For Next Fiscal Year, Post 65
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate), Post 65
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate, Post 65
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate, Post 65
Year that the rate reaches the ultimate trend rate, Post 65
Defined Benefit Plan, Year That Rate Reaches Ultimate Trend Rate, Post 65
Defined Benefit Plan, Year That Rate Reaches Ultimate Trend Rate, Post 65
Effect of one percentage point increase on total of service and interest cost
Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components
Effect of one percentage point decrease on total of service and interest cost
Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components
Effect of one percentage point increase on postretirement benefit obligation
Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation
Effect of one percentage point decrease on postretirement benefit obligation
Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation
Schedule of quarterly financial information
Schedule of Quarterly Financial Information [Table 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]
Depreciation and amortization
Depreciation, Depletion and Amortization
Stock-based compensation expense
Share-based Compensation
Deferred income taxes
Deferred Income Tax Expense (Benefit)
Excess tax benefits from stock-based compensation
Excess Tax Benefit from Share-based Compensation, Operating Activities
Amortization of debt issuance costs and loss on extinguishment
Amortization Of Financing Costs And Discounts and Gain/Loss on Extinguishment of Debt
Amortization Of Financing Costs And Discounts and Loss on Extinguishment of Debt
Losses on dispositions and impairments
Losses on Disposition of Property and Intangible Impairment
Losses on Disposition of Property and Intangible Impairment
Changes in assets and liabilities:
Increase (Decrease) in Operating Capital [Abstract]
Accounts receivable
Increase (Decrease) in Accounts Receivable
Income taxes receivable / payable
Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable
Prepaid expenses and other current assets
Increase (Decrease) in Prepaid Expense and Other Assets
Other long-term assets
Increase (Decrease) in Other Noncurrent 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
Income tax reserves
Increase (Decrease) in Reserve for Commissions, Expense and Taxes
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
Cash paid for business acquisitions, net of cash acquired
Payments to Acquire Businesses, Net of Cash Acquired
Escrow receipts
Increase (Decrease) in Deposit Assets
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
Stock option exercises
Proceeds from Stock Options Exercised
Excess tax benefits from stock-based compensation
Excess Tax Benefit from Share-based Compensation, Financing Activities
Repurchases of common stock
Payments for Repurchase of Common Stock
Cash dividends paid
Payments of Dividends
Dividend equivalents paid to option holders
Repayment of debt
Net cash used in financing activities
Net Cash Provided by (Used in) Financing Activities
Net decrease in cash and cash equivalents
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and cash equivalents-beginning of year
Cash and cash equivalents-end of year
Supplemental disclosures of cash flow information
Supplemental Cash Flow Information [Abstract]
Interest
Income taxes
Income Taxes Paid, Net
Vendor payables
Accounts Payable, Trade, Current
Accrued expenses
Accrued Liabilities, Current
Total accounts payable and other accrued expenses
Weighted-average discount rate for benefit obligation
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate
Weighted Average
Weighted Average [Member]
Amortization of intangible assets
Amortization of Intangible Assets
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2017
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months
2018
Finite-Lived Intangible Assets, Amortization Expense, Year Two
2019
Finite-Lived Intangible Assets, Amortization Expense, Year Three
2020
Finite-Lived Intangible Assets, Amortization Expense, Year Four
2021
Finite-Lived Intangible Assets, Amortization Expense, Year Five
Thereafter
Finite-Lived Intangible Assets, Amortization Expense, after Year Five
Current
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
U.S. Federal
Current Federal Tax Expense (Benefit)
State and local
Current State and Local Tax Expense (Benefit)
Total current
Current Income Tax Expense (Benefit)
Deferred
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
U.S. Federal
Deferred Federal Income Tax Expense (Benefit)
State and local
Deferred State and Local Income Tax Expense (Benefit)
Total deferred
STOCKHOLDERS' EQUITY
Stockholders' Equity Note Disclosure [Text Block]
STOCK-BASED COMPENSATION
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Business Acquisition [Axis]
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
The software services unit of SPARC, LLC
Software Services Unit Of SPARC, LLC [Member]
Software Services Unit Of SPARC, LLC [Member]
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Purchase price per agreement
Payments to Acquire Businesses, Gross
Goodwill
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]
Income Statement Location [Axis]
Income Statement Location [Axis]
Income Statement Location [Domain]
Income Statement Location [Domain]
Cost of revenue
Cost of Sales [Member]
General and administrative expenses
General and Administrative Expense [Member]
Annual Incentive Plan
Annual Incentive Plan [Member]
Annual Incentive Plan [Member]
Restricted Stock
Restricted Stock [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Stock-based compensation expense
Allocated Share-based Compensation Expense
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, Issued
Common stock, shares outstanding
Common Stock, Shares, Outstanding
Treasury stock, shares
Treasury Stock, Shares
COMMITMENTS AND CONTINGENCIES
Commitments and Contingencies Disclosure [Text Block]
Valuation and Qualifying Accounts Disclosure [Table]
Valuation and Qualifying Accounts Disclosure [Table]
Valuation Allowances and Reserves Type [Axis]
Valuation Allowances and Reserves Type [Axis]
Valuation Allowances and Reserves [Domain]
Valuation Allowances and Reserves [Domain]
Allowance for doubtful accounts
Allowance for Doubtful Accounts, Continuing Operations [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation and Qualifying Accounts Disclosure [Line Items]
Movement in Valuation Allowances and Reserves [Roll Forward]
Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning balance
Valuation Allowances and Reserves, Balance
Provision for doubtful accounts
Valuation Allowances and Reserves, Charged to Cost and Expense
Charges against allowance
Valuation Allowances and Reserves, Deductions
Ending balance
Stock-based compensation expense recognized in the consolidated statements of operations
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]
Schedule of unrecognized compensation cost
Schedule of Unrecognized Compensation Cost, Nonvested Awards [Table Text Block]
Shares withheld to cover taxes
Class of Treasury Stock [Table Text Block]
Black Scholes weighted average assumptions
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Recorded stock-based compensation liabilities
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
Unvested restricted stock activity
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
Stock options outstanding
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Deferred payment obligation, original amount
Deferred Payment Obligation, original amount
Deferred Payment Obligation, original amount
Deferred payment obligation, term
Deferred Payment Obligation Term
Deferred Payment Obligation Term
Deferred payment obligation, payment pursuant of the Merger Agreement
Deferred Payment Obligation, Payment, Persuant of the Merger Agreement
Deferred Payment Obligation, Payment, Persuant of the Merger Agreement
Deferred payment obligation, payment
Deferred Payment Obligation, Payment
Deferred Payment Obligation, Payment
Deferred payment obligation
Deferred Payment Obligation
Deferred Payment Obligation
Indemnified pre-acquisition uncertain tax positions
Interest rate per six-month period on unpaid deferred payment obligation
Interest Rate Per Six-Month Period on Unpaid Deferred Payment Obligation
Interest Rate Per Six-Month Period on Unpaid Deferred Payment Obligation
Accrued interest
Accrued Interest on Deferred Payment Obligation
Accrued Interest on Deferred Payment Obligation
Deferred payment obligation, amount recorded in the consolidated balance sheets
Liabilities of Business Transferred under Contractual Arrangement, Current and Noncurrent
Liabilities of Business Transferred under Contractual Arrangement, Current and Noncurrent
Accrued compensation and benefits
Schedule of Accrued Compensation And Benefits [Table Text Block]
Schedule of Accrued Compensation And Benefits [Table Text Block]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation, beginning of the year
Defined Benefit Plan, Benefit Obligation
Net actuarial (gain) loss
Defined Benefit Plan, Actuarial Gain (Loss)
Benefits paid
Defined Benefit Plan, Benefits Paid
Benefit obligation, end of the year
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets, beginning of the year
Defined Benefit Plan, Fair Value of Plan Assets
Employer contributions
Defined Benefit Plan, Contributions by Employer
Fair value of plan assets, end of the year
Defined benefit plan, funded status of plan
Defined Benefit Plan, Funded Status of Plan
Intangible assets
Schedule of Intangible Assets and Goodwill [Table Text Block]
Expected amortization expense for intangible assets
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
2017
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months
2018
Defined Benefit Plan, Expected Future Benefit Payments, Year Two
2019
Defined Benefit Plan, Expected Future Benefit Payments, Year Three
2020
Defined Benefit Plan, Expected Future Benefit Payments, Year Four
2021
Defined Benefit Plan, Expected Future Benefit Payments, Year Five
2022-2025
Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter
Beginning of year
Other comprehensive income (loss) before reclassifications
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax
Amounts reclassified from accumulated other comprehensive loss
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
Net current-period other comprehensive income (loss)
Other Comprehensive Income (Loss), Net of Tax
End of year
GOODWILL AND INTANGIBLE ASSETS
Goodwill and Intangible Assets Disclosure [Text Block]
Retired Officers' Bonus Plan, total pension expense
Benefits paid
EMPLOYEE BENEFIT PLANS
Pension and Other Postretirement Benefits Disclosure [Text Block]
Deferred rent
Deferred Rent Credit, Noncurrent
Deferred payment obligation
Liabilities of Business Transferred under Contractual Arrangement, Noncurrent
Postretirement benefit obligations
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent
Other
Other Liabilities and Deferred Revenue, Noncurrent
Total other long-term liabilities
Contingent earnout liability
Business Combination, Contingent Consideration, Liability
Dividend Equivalent
Dividend equivalent [Member]
Dividend equivalent [Member]
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Subsequent Event
Subsequent Event [Member]
Dividends
Dividends
Dividends paid
Common Stock, Dividends, Per Share, Cash Paid
Deferred payment obligation
Deferred Payment Obligation [Table Text Block]
Deferred Payment Obligation [Table Text Block]
Unrecognized compensation cost related to unvested stock-based compensation agreements
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
2017
Unrecognized Compensation Cost, Next 12 Months
Unrecognized Compensation Cost, Next 12 Months
2018
Unrecognized Compensation Cost, Year Two
Unrecognized Compensation Cost, Year Two
2019
Unrecognized Compensation Cost, Year Three
Unrecognized Compensation Cost, Year Three
2020
Unrecognized Compensation Cost, Year Four
Unrecognized Compensation Cost, Year Four
2021
Unrecognized Compensation Cost, Year Five
Unrecognized Compensation Cost, Year Five
DEBT
Debt Disclosure [Text Block]
Title of Individual [Axis]
Title of Individual [Axis]
Relationship to Entity [Domain]
Relationship to Entity [Domain]
Director
Director [Member]
Restricted Stock Units (RSUs)
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Share-Based Compensation Arrangement By Share-based Payment Award, Options, Grants In Period, Grant Date Fair Value
Share-Based Compensation Arrangement By Share-based Payment Award, Options, Grants In Period, Grant Date Fair Value
Share-Based Compensation Arrangement By Share-based Payment Award, Options, Grants In Period, Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Share-Based Compensation Arrangement By Share-based Payment Award, Annual Incentive Payment, Equity Portion, Increase Percentage
Share-Based Compensation Arrangement By Share-based Payment Award, Annual Incentive Payment, Equity Portion, Increase Percentage
Share-Based Compensation Arrangement By Share-based Payment Award, Annual Incentive Payment, Equity Portion, Increase Percentage
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
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, Vested in Period, Fair Value
Share Price
Share Price
Conversion of Stock, Shares Issued
Conversion of Stock, Shares Issued
Conversion of Stock, Fair Value Per Share
Conversion of Stock, Fair Value Per Share
Conversion of Stock, Fair Value Per Share
Conversion of Stock, Aggregate Grant Date Fair Value
Conversion of Stock, Aggregate Grant Date Fair Value
Conversion of Stock, Aggregate Grant Date Fair Value
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Basis of Presentation and Significant Accounting Policies [Text Block]
Bonus
Accrued Bonuses, Current
Retirement
Pension and Other Postretirement and Postemployment Benefit Plans, Liabilities, Current
Vacation
Accrued Vacation, Current
Other
Other Employee Related Liabilities, Current
Total accrued compensation and benefits
Dividend yield
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Expected volatility
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Risk-free interest rate
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Expected life (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Income Statement [Abstract]
Revenue
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
Total operating costs and expenses
Costs and Expenses
Operating income
Interest expense
Other, net
Other Nonoperating Income (Expense)
Income before income taxes
Income tax expense
Net income
Earnings per common share (Note 3):
Basic (in dollars per share)
Diluted (in dollars per share)
Long-term Debt, Current and Noncurrent [Abstract]
Long-term Debt, Current and Noncurrent [Abstract]
Interest rate
Debt Instrument, Interest Rate, Effective Percentage
Line of Credit Facility, Interest Rate at Period End
Line of Credit Facility, Interest Rate at Period End
Long-term Debt, Gross
Revolving credit facility
Unamortized debt issuance costs and discount on debt
DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet
Amount of unamortized debt discount (premium) and debt issuance costs.
Long-term debt
Long-term Debt
Less: Current portion of long-term debt
Statement of Comprehensive Income [Abstract]
Comprehensive income
Schedule of Earnings Per Share, Basic and Diluted, 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]
Earnings Per Share, Basic and Diluted, 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
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
Payments of Dividends
Undistributed earnings (loss) allocated to participating securities, basic
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic
Undistributed earnings (loss) allocated to participating securities, diluted
Undistributed Earnings (Loss) Allocated to Participating Securities, Diluted
Antidilutive options excluded from the computation of EPS
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount