Accounting Advisory [Member] Accounting Advisory [Member] Accounting Advisory [Member] Accounting Policies [Abstract] Accounting Policies [Abstract] Accounts Payable Current Accounts payable Accounts Receivable Net Current Receivables from clients, net The accrual for payments to acquire businesses including earn-out payments, which represents additional purchase price earned by selling shareholders subsequent to the business combination as certain financial performance targets and conditions are met, and due to be paid within one year (or one operating cycle, if longer) of the balance sheet date. Accrued Consideration For Business Acquisitions Current Accrued consideration for business acquisitions, current portion The accrual for payments to acquire businesses including earn-out payments, which represents additional purchase price earned by selling shareholders subsequent to the business combination as certain financial performance targets and conditions are met, and due to be paid after one year (or one operating cycle, if longer) of the balance sheet date. Accrued Consideration For Business Acquisitions Noncurrent Accrued consideration for business acquisitions, net of current portion Accrued Income Taxes Current Income tax payable Accrued Liabilities Current Accrued expenses Accrued Liabilities [Member] Accrued expenses [Member] Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Accumulated depreciation and amortization Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax Net Unrealized Gains/(Losses) on Derivatives, Ending balance Net Unrealized Gains/(Losses) on Derivatives, Beginning balance Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax Foreign Currency Translation Adjustments, Ending balance Foreign Currency Translation Adjustments, Beginning balance Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated Other Comprehensive Loss, Ending balance Accumulated Other Comprehensive Loss, Beginning balance Accumulated other comprehensive loss Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract] Components of accumulated other comprehensive loss, net of tax Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income (Loss) [Member] Additional Depreciation Additional Depreciation Additional depreciation Additional Paid In Capital Common Stock Additional paid-in capital Additional Paid In Capital [Member] Additional Paid-in Capital [Member] Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Share-based compensation Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation Income tax benefit (deficit) on share-based compensation Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Advertising Costs Policy [Text Block] Sponsorship and Advertising Costs Allocated Share Based Compensation Expense Share-based compensation expense All Other Segments [Member] All Other [Member] Allowance For Doubtful Accounts [Member] Allowances for doubtful accounts and unbilled services [Member] Amount of the current period expense and reduction of revenue charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables and unbilled services, to an amount that approximates their net realizable value (the amount expected to be collected). Allowances For Doubtful Accounts And Unbilled Services Allowances for doubtful accounts and unbilled services Amendment Flag Amendment Flag Amortization Of Intangible Assets Intangible assets amortization expense Amount Of Brokerage Fees Related To Sub Lease Arrangement Amount Of Brokerage Fees Related To Sub Lease Arrangement Brokerage fees related to sublease arrangement Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount Weighted average common stock equivalents antidilutive Assets Total assets Total assets Assets [Abstract] Assets Assets Current Total current assets Assets Current [Abstract] Current assets: Assets Fair Value Disclosure Asset, fair value Assets Held Under Capital Leases [Member] Assets under capital lease [Member] Asset Under Construction [Member] Assets under construction [Member] Award Type [Axis] Award Type [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Black-Scholes option pricing model. Black Scholes Option Pricing Model [Member] Black-Scholes option-pricing model [Member] Bluestone [Member] Bluestone [Member] Blue Stone International, LLC [Member] Boston. Boston [Member] Boston [Member] Business Acquisition Acquiree [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition Purchase Price Allocation Goodwill Business Acquisition Purchase Price Allocation Goodwill Goodwill related to acquisitions Business Acquisition Purchase Price Allocation Intangible Assets Business Acquisition Purchase Price Allocation Intangible Assets Intangible assets related to acquisitions Capital Expenditures Incurred But Not Yet Paid Property and equipment expenditures included in accounts payable and accrued expenses Capitalized Computer Software Amortization Amortized capitalized software development costs Capitalized Software Development Costs For Software Sold To Customers Unamortized capitalized software development costs Capital Leases Future Minimum Payments Due Capital Lease Obligations, Total Capital Leases Future Minimum Payments Due Current Capital Lease Obligations, 2014 Capital Leases Future Minimum Payments Due In Five Years Capital Lease Obligations, 2018 Capital Leases Future Minimum Payments Due In Four Years Capital Lease Obligations, 2017 Capital Leases Future Minimum Payments Due In Three Years Capital Lease Obligations, 2016 Capital Leases Future Minimum Payments Due In Two Years Capital Lease Obligations, 2015 Capital Leases Future Minimum Payments Due Thereafter Capital Lease Obligations, Thereafter Capital structure Capital Structure [Text Block] Capital Structure Cash And Cash Equivalent Maturity Period Cash And Cash Equivalent Maturity Period Cash and Cash Equivalents maturity period Cash And Cash Equivalents At Carrying Value Cash and cash equivalents at end of the period Cash and cash equivalents at beginning of the period Cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Net increase (decrease) in cash and cash equivalents Cash And Cash Equivalents Policy [Text Block] Cash and Cash Equivalents Cash paid during year for. Cash Paid During Year For [Abstract] Cash paid during the year for: Charges Not Allocated At Segment Level [Abstract] Charges Not Allocated At Segment Level [Abstract] Items not allocated at the segment level: Chicago, Illinois [Member] Chicago Illinois [Member] Chicago, Illinois [Member] Chicago. Chicago [Member] Chicago [Member] Maximum amount of civil penalties per violation under the federal false claims act. Civil Penalties As Per Violation Under Party One Maximum amount of civil penalties per violation under the Federal False Claims Act Maximum amount of civil penalties per violation under the state false claims act. Civil Penalties As Per Violation Under Party Two Maximum amount of civil penalties per violation under the State False Claims Act Claim Against Breach Of Contract [Member] Claim Against Breach Of Contract [Member] Claim against breach of contract [Member] Claim Against Damage On Reputation [Member] Claim Against Damage On Reputation [Member] Claim against damage on reputation and defamation [Member] Client Percentage of Combined Receivables and Unbilled Services Greater Than Threshold Client Percentage Of Combined Receivables And Unbilled Services Greater Than Threshold Client percentage of combined receivables and unbilled services greater than threshold Commitments And Contingencies Commitments and Contingencies Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Commitments And Contingencies [Line Items] Commitments And Contingencies [Line Items] Commitments And Contingencies [Line Items] Commitments And Contingencies [Table] Commitments And Contingencies [Table] Commitments And Contingencies [Table] Commitments Contingencies And Guarantees [Text Block] Commitments, Contingencies and Guarantees Common Stock [Member] Common Stock [Member] Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, shares authorized Common Stock Shares Issued Common stock, shares issued Common Stock Value Common stock; $0.01 par value; 500,000,000 shares authorized; 25,246,565 and 24,793,327 shares issued at December 31, 2013 and December 31, 2012, respectively Compensation And Employee Benefit Plans [Text Block] Employee Benefit and Deferred Compensation Plans Components Of Deferred Tax Assets [Abstract] Deferred tax assets: Components Of Deferred Tax Liabilities [Abstract] Deferred tax liabilities: Comprehensive Income Net Of Tax Comprehensive income Comprehensive income Comprehensive Income Net Of Tax [Abstract] Comprehensive income: Comprehensive Income Note [Text Block] Other Comprehensive Income Computer Equipment [Member] Computer Equipment [Member] Computers Related Equipment And Software [Member] Computers Related Equipment And Software [Member] Computers, related equipment and software [Member] Concentration Risk Credit Risk Concentrations of Credit Risk Concentration Risk Percentage 1 Customer revenues as a percentage of consolidated revenue, for which no single client reached Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Consolidation Policy [Text Block] Basis of Presentation and Principles of Consolidation Cost Of Reimbursable Expense Reimbursable expenses Cost Of Revenue Total direct costs and reimbursable expenses Cost Of Sales Policy [Text Block] Direct Costs and Reimbursable Expenses Cost Of Services Direct costs Cost Of Services Depreciation And Amortization Amortization of intangible assets and software development costs Credit agreement dividends restriction amount. Credit Agreement Dividends Restriction Amount Credit Agreement, dividends restriction amount Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Current Federal Tax Expense Benefit Federal Current Fiscal Year End Date Current Fiscal Year End Date Current Foreign Tax Expense Benefit Foreign Current Income Tax Expense Benefit Total current Current Income Tax Expense Benefit Continuing Operations [Abstract] Current: Current State And Local Tax Expense Benefit State Customer Contracts [Member] Customer Contracts [Member] Customer Relationships [Member] Customer relationships [Member] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Text Block] Borrowings Debt Instrument Maturity Date Promissory note payable maturity date Debt Issuance Costs Debt issuance costs Debt Policy [Text Block] Debt Issuance Costs Debt Weighted Average Interest Rate Percentage of weighted average interest rate of borrowings Deferred acquisition fair value payment term. Deferred Acquisition Fair Value Payment Term Deferred acquisition payment terms Deferred Acquisition Payments Deferred Acquisition Payments Deferred acquisition payments Deferred Acquisition Payments [Member] Deferred Acquisition Payments [Member] Deferred acquisition payments [Member] Aggregate carrying value, as of the balance sheet date, of the liabilities for all deferred compensation arrangements and all other non current obligations not separately disclosed in the balance sheet payable beyond one year (or the operating cycle, if longer). Deferred Compensation And Other Liabilities Deferred compensation and other liabilities Deferred Compensation And Other Liabilities [Member] Deferred Compensation And Other Liabilities [Member] Deferred compensation and other liabilities [Member] Deferred Compensation Liability Current And Noncurrent Deferred compensation liability Deferred Federal Income Tax Expense Benefit Federal Deferred Foreign Income Tax Expense Benefit Foreign Deferred Income Taxes And Tax Credits Deferred income taxes Deferred Income Tax Expense Benefit Total deferred Deferred Income Tax Expense Benefit Continuing Operations [Abstract] Deferred: Cash outflows to vendors under deferred payment arrangements that arose from purchases of property, plant and equipment or other productive assets. Deferred Payments To Acquire Property Plant And Equipment Deferred payment for purchase of property and equipment Deferred Rent Credit Noncurrent Deferred lease incentives Deferred Revenue Current Deferred revenues Deferred State And Local Income Tax Expense Benefit State Deferred tax assets current deferred lease incentive. Deferred Tax Assets Current Deferred Lease Incentive Deferred lease incentives Deferred Tax Assets Gross Total deferred tax assets Deferred Tax Assets Liabilities Net Net deferred tax asset (liability) for continuing operations Deferred Tax Assets Net Net deferred tax assets Deferred Tax Assets Net Current Deferred income taxes, net Deferred Tax Assets Operating Loss Carryforwards Net operating loss carry forwards Deferred Tax Assets Other Tax Carryforwards Other Deferred Tax Assets Revenue Recognition Deferred Tax Assets Revenue Recognition Revenue recognition Deferred Tax Assets Tax Credit Carryforwards Tax credits Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost Share-based compensation Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities Accrued payroll and other liabilities Deferred Tax Assets Valuation Allowance Valuation allowance Valuation allowance Deferred Tax Liabilities Total deferred tax liabilities Deferred tax liabilities amortization of intangible assets. Deferred Tax Liabilities Amortization Of Intangible Assets Intangibles and Goodwill Deferred Tax Liabilities Noncurrent Deferred income taxes, net Deferred Tax Liabilities Other Other Deferred Tax Liabilities Prepaid Expenses Prepaid expenses Deferred Tax Liabilities Property Plant And Equipment Property and equipment Defined Contribution Plan Cost Recognized Employer matching contributions Defined Contribution Plan Employer Matching Contribution Percent Employer contributions up to percent of employee's salaries Depreciation Depreciation expense for property and equipment Depreciation And Amortization Depreciation and amortization Depreciation and amortization expense Depreciation Depletion And Amortization Depreciation and amortization Derivative Contract Type [Domain] Derivative Contract [Domain] Derivative Inception Dates Interest rate swap agreement, effective date Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Derivative Instruments And Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments And Hedging Activities Disclosure [Text Block] Derivative Instruments and Hedging Activity Derivative Instruments And Hedging Activities [Line Items] Derivative Instruments And Hedging Activities [Line Items] Derivative Instruments And Hedging Activities [Line Items] Derivative Instruments And Hedging Activities [Table] Derivative Instruments And Hedging Activities [Table] Derivative Instruments And Hedging Activities [Table] Derivative Instruments Gain Loss Reclassification From Accumulated O C I To Income Estimated Net Amount To Be Transferred Anticipated net losses, net of tax, currently recorded in accumulated other comprehensive loss reclassified into earnings Derivative Maturity Dates Interest rate swap agreement, end date Derivative Notional Amount Interest rate swap agreement for a notional amount Derivatives Fair Value [Line Items] Derivatives, Fair Value [Line Items] Derivatives Policy [Text Block] Derivatives and Hedging Direct Cost [Member] Direct Cost [Member] Direct Costs [Member] Direct Costs And Reimbursable Expenses Exclusive Of Depreciation And Amortization Shown In Operating Expenses [Abstract] Direct Costs And Reimbursable Expenses Exclusive Of Depreciation And Amortization Shown In Operating Expenses [Abstract] Direct costs and reimbursable expenses (exclusive of depreciation and amortization shown in operating expenses): Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Equity Incentive Plans Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax Gain (Loss) on disposal of discontinued operations Loss on sale of business Discontinued Operation Gain Loss On Disposal Of Discontinued Operation Net Of Tax Gain (Loss) on sale of discontinued operation Discontinued Operation Income Loss From Discontinued Operation Before Income Tax Income (loss) from discontinued operations before income tax expense Discontinued Operations And Disposal Groups [Abstract] Summarized operating results of discontinued operations Discontinued Operations [Line Items] Discontinued Operations [Line Items] Discontinued Operations [Line Items] Discontinued Operations [Table] Discontinued Operations [Table] Discontinued Operations [Table] Discontinued Operation Tax Effect Of Discontinued Operation Tax Benefit (expense) Disposal Group Including Discontinued Operation Revenue Revenues Disposal Groups Including Discontinued Operations Disclosure [Text Block] Discontinued Operations Disposal Groups Including Discontinued Operations Name [Domain] Disposal Groups, Including Discontinued Operations, Name [Domain] Document and entity information. Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Period End Date Document Period End Date Document Reviewer Database [Member] Document Reviewer Database [Member] Document reviewer database [Member] Document Type Document Type Domestic Country [Member] Federal [Member] Duration Of LIBOR. Duration Of Libor Duration of LIBOR Earnings Per Share [Abstract] Earnings Per Share [Abstract] Earnings Per Share Basic Net income Net income Earnings Per Share Basic [Abstract] Net earnings per basic share: Earnings Per Share Diluted Net income Net income Earnings Per Share Diluted [Abstract] Net earnings per diluted share: Earnings Per Share Reconciliation [Abstract] Reconciliation of basic and diluted earnings per share Earnings Per Share [Text Block] Earnings Per Share Education And Life Sciences [Member] Education And Life Sciences [Member] Huron Education and Life Sciences [Member] Effective Income Tax Rate Continuing Operations Effective income tax expense rate for continuing operations