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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         $ 409,000us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_SubsequentEventTypeAxis
= arw_A2015AcquisitionMember
$ 55,000us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_SubsequentEventTypeAxis
= arw_DataModulAGMember
€ 51,800us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_SubsequentEventTypeAxis
= arw_DataModulAGMember
Business Combination, Contingent Consideration, Liability       5,853us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContingentLiability
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
     
Number of Businesses Acquired     3us-gaap_NumberOfBusinessesAcquired
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
5us-gaap_NumberOfBusinessesAcquired
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
2us-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 133,089us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired 60,224us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired 133,089us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
162,881us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
     
Business Combination, Other Amounts Withheld       $ 210arw_BusinessCombinationOtherAmountsWithheld
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember