2.4.0.6 Html 20 137 1 false 7 0 false 5 false false R1.htm 101 - Document - Document and Entity Information Sheet http://www.chrobinson.com/taxonomy/role/DocumentDocumentandEntityInformation Document and Entity Information true false R2.htm 103 - Statement - Condensed Consolidated Balance Sheets Sheet http://www.chrobinson.com/taxonomy/role/StatementOfFinancialPositionClassified Condensed Consolidated Balance Sheets false false R3.htm 104 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) Sheet http://www.chrobinson.com/taxonomy/role/StatementOfFinancialPositionClassifiedParenthetical Condensed Consolidated Balance Sheets (Parenthetical) false false R4.htm 105 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income Sheet http://www.chrobinson.com/taxonomy/role/StatementOfIncomeAlternative Condensed Consolidated Statements of Operations and Comprehensive Income false false R5.htm 106 - Statement - Condensed Consolidated Statements of Cash Flows Sheet http://www.chrobinson.com/taxonomy/role/StatementOfCashFlowsIndirect Condensed Consolidated Statements of Cash Flows false false R6.htm 107 - Disclosure - General Sheet http://www.chrobinson.com/taxonomy/role/NotesToFinancialStatementsOrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock General false false R7.htm 108 - Disclosure - Goodwill and Intangible Assets Sheet http://www.chrobinson.com/taxonomy/role/NotesToFinancialStatementsGoodwillAndIntangibleAssetsDisclosureTextBlock Goodwill and Intangible Assets false false R8.htm 109 - Disclosure - Litigation Sheet http://www.chrobinson.com/taxonomy/role/NotesToFinancialStatementsLossContingencyDisclosures Litigation false false R9.htm 110 - Disclosure - Fair Value Measurement Sheet http://www.chrobinson.com/taxonomy/role/NotesToFinancialStatementsFairValueDisclosuresTextBlock Fair Value Measurement false false R10.htm 111 - Disclosure - Stock Award Plans Sheet http://www.chrobinson.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock Stock Award Plans false false R11.htm 112 - Disclosure - Income Taxes Sheet http://www.chrobinson.com/taxonomy/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlock Income Taxes false false R12.htm 113 - Disclosure - Goodwill and Intangible Assets (Tables) Sheet http://www.chrobinson.com/taxonomy/role/NotesToFinancialStatementsGoodwillAndIntangibleAssetsDisclosureTextBlockTables Goodwill and Intangible Assets (Tables) false false R13.htm 114 - Disclosure - Fair Value Measurement (Tables) Sheet http://www.chrobinson.com/taxonomy/role/NotesToFinancialStatementsFairValueDisclosuresTextBlockTables Fair Value Measurement (Tables) false false R14.htm 115 - Disclosure - Stock Award Plans (Tables) Sheet http://www.chrobinson.com/taxonomy/role/NotesToFinancialStatementsDisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlockTables Stock Award Plans (Tables) false false R15.htm 116 - Disclosure - Income Taxes (Tables) Sheet http://www.chrobinson.com/taxonomy/role/NotesToFinancialStatementsIncomeTaxDisclosureTextBlockTables Income Taxes (Tables) false false R16.htm 117 - Disclosure - General - Additional Information (Detail) Sheet http://www.chrobinson.com/taxonomy/role/DisclosureGeneralAdditionalInformation General - Additional Information (Detail) false false R17.htm 118 - Disclosure - Change In Carrying Amount Of Goodwill (Detail) Sheet http://www.chrobinson.com/taxonomy/role/DisclosureChangeInCarryingAmountOfGoodwill Change In Carrying Amount Of Goodwill (Detail) false false R18.htm 119 - Disclosure - Summary of Other Intangible Assets, with Finite Lives (Detail) Sheet http://www.chrobinson.com/taxonomy/role/DisclosureSummaryOfOtherIntangibleAssetsWithFiniteLives Summary of Other Intangible Assets, with Finite Lives (Detail) false false R19.htm 120 - Disclosure - Other Intangible Assets, with Indefinite Lives (Detail) Sheet http://www.chrobinson.com/taxonomy/role/DisclosureOtherIntangibleAssetsWithIndefiniteLives Other Intangible Assets, with Indefinite Lives (Detail) false false R20.htm 121 - Disclosure - Amortization Expense Of Other Intangible Assets (Detail) Sheet http://www.chrobinson.com/taxonomy/role/DisclosureAmortizationExpenseOfOtherIntangibleAssets Amortization Expense Of Other Intangible Assets (Detail) false false R21.htm 122 - Disclosure - Estimated Amortization Expense on Intangible Assets (Detail) Sheet http://www.chrobinson.com/taxonomy/role/DisclosureEstimatedAmortizationExpenseOnIntangibleAssets Estimated Amortization Expense on Intangible Assets (Detail) false false R22.htm 123 - Disclosure - Financial Assets and Liabilities at Fair Value on a Recurring Basis (Detail) Sheet http://www.chrobinson.com/taxonomy/role/DisclosureFinancialAssetsAndLiabilitiesAtFairValueOnARecurringBasis Financial Assets and Liabilities at Fair Value on a Recurring Basis (Detail) false false R23.htm 124 - Disclosure - Reconciliation of Beginning and Ending Level 3 Financial Liability Balances (Detail) Sheet http://www.chrobinson.com/taxonomy/role/DisclosureReconciliationOfBeginningAndEndingLevel3FinancialLiabilityBalances Reconciliation of Beginning and Ending Level 3 Financial Liability Balances (Detail) false false R24.htm 125 - Disclosure - Summary Of Total Compensation Expense Recognized In Statements Of Operations For Stock Based Compensation (Detail) Sheet http://www.chrobinson.com/taxonomy/role/DisclosureSummaryOfTotalCompensationExpenseRecognizedInStatementsOfOperationsForStockBasedCompensation Summary Of Total Compensation Expense Recognized In Statements Of Operations For Stock Based Compensation (Detail) false false R25.htm 126 - Disclosure - Stock Award Plans - Additional Information (Detail) Sheet http://www.chrobinson.com/taxonomy/role/DisclosureStockAwardPlansAdditionalInformation Stock Award Plans - Additional Information (Detail) false false R26.htm 127 - Disclosure - Summary of Employee Stock Purchase Plan Activity (Detail) Sheet http://www.chrobinson.com/taxonomy/role/DisclosureSummaryOfEmployeeStockPurchasePlanActivity Summary of Employee Stock Purchase Plan Activity (Detail) false false R27.htm 128 - Disclosure - Effective Income Tax Rate (Detail) Sheet http://www.chrobinson.com/taxonomy/role/DisclosureEffectiveIncomeTaxRate Effective Income Tax Rate (Detail) false false All Reports Book All Reports Process Flow-Through: 103 - Statement - Condensed Consolidated Balance Sheets Process Flow-Through: Removing column 'Mar. 31, 2011' Process Flow-Through: Removing column 'Dec. 31, 2010' Process Flow-Through: 104 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) Process Flow-Through: 105 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income Process Flow-Through: 106 - Statement - Condensed Consolidated Statements of Cash Flows chrw-20120331.xml chrw-20120331.xsd chrw-20120331_cal.xml chrw-20120331_def.xml chrw-20120331_lab.xml chrw-20120331_pre.xml true true