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Acquisitions (Details) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended | 3 Months Ended
--- | --- | --- | ---
Mar. 28, 2015 USD ($) | Mar. 29, 2014 USD ($) | Mar. 28, 2015 Series of Individually Immaterial Business Acquisitions [Member] USD ($) Acquisitions | Dec. 31, 2014 Series of Individually Immaterial Business Acquisitions [Member] USD ($) Acquisitions | Jun. 27, 2015 2015 Acquisitions [Member] USD ($) Acquisitions | Jun. 27, 2015 Data Modul AG [Member] USD ($) | Jun. 27, 2015 Data Modul AG [Member] EUR (€)
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  |  | $ 409,000 us-gaap_PaymentsToAcquireBusinessesGross / us-gaap_SubsequentEventTypeAxis = arw_A2015AcquisitionMember | $ 55,000 us-gaap_PaymentsToAcquireBusinessesGross / us-gaap_SubsequentEventTypeAxis = arw_DataModulAGMember | € 51,800 us-gaap_PaymentsToAcquireBusinessesGross / us-gaap_SubsequentEventTypeAxis = arw_DataModulAGMember
Business Combination, Contingent Consideration, Liability |  |  |  | 5,853 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContingentLiability / us-gaap_BusinessAcquisitionAxis = us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember |  |  |
Number of Businesses Acquired |  |  | 3 us-gaap_NumberOfBusinessesAcquired / us-gaap_BusinessAcquisitionAxis = us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember | 5 us-gaap_NumberOfBusinessesAcquired / us-gaap_BusinessAcquisitionAxis = us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember | 2 us-gaap_NumberOfBusinessesAcquired / us-gaap_SubsequentEventTypeAxis = arw_A2015AcquisitionMember |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  |  |  | 53.70%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired / us-gaap_SubsequentEventTypeAxis = arw_DataModulAGMember | 53.70%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired / us-gaap_SubsequentEventTypeAxis = arw_DataModulAGMember
Payments to Acquire Businesses, Net of Cash Acquired | 133,089 us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | 60,224 us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | 133,089 us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired / us-gaap_BusinessAcquisitionAxis = us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember | 162,881 us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired / us-gaap_BusinessAcquisitionAxis = us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember |  |  |
Business Combination, Other Amounts Withheld |  |  |  | $ 210 arw_BusinessCombinationOtherAmountsWithheld / us-gaap_BusinessAcquisitionAxis = us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember |  |  |

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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- Definition The amount of liability arising from an inherited contingency (as defined) which has been recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464 + Details
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