2.2.0.7 true Sheet 00 - Document - Document and Entity Information Document and Entity Information http://executiveboard.com/role/DocumentAndEntityInformation false R1.xml false Sheet 0110 - Statement - Condensed Consolidated Balance Sheets Condensed Consolidated Balance Sheets http://executiveboard.com/role/BalanceSheets false R2.xml false Sheet 0111 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) Condensed Consolidated Balance Sheets (Parenthetical) http://executiveboard.com/role/BalanceSheetsParenthetical false R3.xml false Sheet 0120 - Statement - Condensed Consolidated Statements of Income (Unaudited) Condensed Consolidated Statements of Income (Unaudited) http://executiveboard.com/role/StatementsOfIncome false R4.xml false Sheet 0130 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) Condensed Consolidated Statements of Cash Flows (Unaudited) http://executiveboard.com/role/StatementsOfCashFlows false R5.xml false Sheet 0201 - Disclosure - Description of Operations Description of Operations http://executiveboard.com/role/DescriptionOfOperations false R6.xml false Sheet 0202 - Disclosure - Condensed Consolidated Financial Statements Condensed Consolidated Financial Statements http://executiveboard.com/role/CondensedConsolidatedFinancialStatements false R7.xml false Sheet 0203 - Disclosure - Recent Accounting Pronouncements Recent Accounting Pronouncements http://executiveboard.com/role/RecentAccountingPronouncements false R8.xml false Sheet 0204 - Disclosure - Acquisitions Acquisitions http://executiveboard.com/role/Acquisitions false R9.xml false Sheet 0205 - Disclosure - Fair Value Measurements Fair Value Measurements http://executiveboard.com/role/FairValueMeasurements false R10.xml false Sheet 0206 - Disclosure - Other Liabilities Other Liabilities http://executiveboard.com/role/OtherLiabilities false R11.xml false Sheet 0207 - Disclosure - Stockholders Equity and Share Based Compensation Stockholders Equity and Share Based Compensation http://executiveboard.com/role/StockholdersEquityAndShareBasedCompensation false R12.xml false Sheet 0208 - Disclosure - Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities http://executiveboard.com/role/DerivativeInstrumentsAndHedgingActivities false R13.xml false Sheet 0209 - Disclosure - Restructuring Costs Restructuring Costs http://executiveboard.com/role/RestructuringCosts false R14.xml false Sheet 0210 - Disclosure - Income Taxes Income Taxes http://executiveboard.com/role/IncomeTaxes false R15.xml false Sheet 0211 - Disclosure - Earnings per Share Earnings per Share http://executiveboard.com/role/EarningsPerShare false R16.xml false Sheet 0212 - Disclosure - Comprehensive Income Comprehensive Income http://executiveboard.com/role/ComprehensiveIncome false R17.xml false Sheet 0213 - Disclosure - Commitments and Contingencies Commitments and Contingencies http://executiveboard.com/role/CommitmentsAndContingencies false R18.xml false Book All Reports All Reports false 1 9 0 0 3 99 false false BalanceAsOf_31Dec2009 33 BalanceAsOf_03Aug2010 1 BalanceAsOf_30Jun2010 33 SixMonthsEnded_30Jun2009 39 ThreeMonthsEnded_30Jun2009 18 ThreeMonthsEnded_30Jun2010 16 BalanceAsOf_30Jun2009 2 January-01-2010_June-30-2010 62 BalanceAsOf_31Dec2008 1 true true