2.2.0.7 true Accounts Receivable, Net and Significant Customers (Details) (USD $) 0603 - Disclosure - Accounts Receivable, Net and Significant Customers (Details) true false In Thousands false false 1 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 $ false 2 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 $ false 3 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 4 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 5 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 $ 2 Accounts receivable, net 2 us-gaap_AccountsReceivableNetCurrentAbstract us-gaap true na duration No definition available. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 3 Gross accounts receivable 2 us-gaap_AccountsReceivableGrossCurrent us-gaap true debit instant No definition available. false false false false false false false false false false false verboselabel false 1 true true false false 361325000 361325 false false false 2 false false false false 0 0 false false false 3 true true false false 361325000 361325 false false false 4 false false false false 0 0 false false false 5 true true false false 218647000 218647 false false false xbrli:monetaryItemType monetary Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 3 -Subparagraph a, b -Article 5 false 4 Allowance for doubtful accounts 2 us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent us-gaap true credit instant No definition available. false false false false false false false false false false true negated false 1 false true false false -500000 -500 false false false 2 false false false false 0 0 false false false 3 false true false false -500000 -500 false false false 4 false false false false 0 0 false false false 5 false true false false -500000 -500 false false false xbrli:monetaryItemType monetary A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 false 5 Allowance for sales returns 2 altr_AllowanceForSalesReturns altr false credit instant Allowance for sales returns. false false false false false false false false false false true negatedtotal false 1 false true false false -2819000 -2819 false false false 2 false false false false 0 0 false false false 3 false true false false -2819000 -2819 false false false 4 false false false false 0 0 false false false 5 false true false false -3000 -3 false false false xbrli:monetaryItemType monetary Allowance for sales returns. No authoritative reference available. true 6 Accounts receivable, net 2 us-gaap_AccountsReceivableNetCurrent us-gaap true debit instant No definition available. false false false false false false false false false false false totallabel false 1 true true false false 358006000 358006 false false false 2 false false false false 0 0 false false false 3 true true false false 358006000 358006 false false false 4 false false false false 0 0 false false false 5 true true false false 218144000 218144 false false false xbrli:monetaryItemType monetary Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Subparagraph a(1) -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 true 7 Net sales by customer type and net sales to significant customers 2 altr_NetSalesByCustomerTypeAndNetSalesToSignificantCustomersAbstract altr false na duration Net Sales By Customer Type And Net Sales To Significant Customers Abstract. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:stringItemType string Net Sales By Customer Type And Net Sales To Significant Customers Abstract. false 8 Sales to distributors 2 altr_SalesToDistributorsAsPercentageOfNetSales altr false na duration Sales To Distributors as a Percentage of Net Sales. false false false false false false false false false false false verboselabel false 1 false true false false 0.84 0.84 false false false 2 false true false false 0.77 0.77 false false false 3 false true false false 0.85 0.85 false false false 4 false true false false 0.78 0.78 false false false 5 false false false false 0 0 false false false us-types:percentItemType pure Sales To Distributors as a Percentage of Net Sales. No authoritative reference available. false 9 Sales to OEMs 2 altr_SalesToOemsAsPercentageOfNetSales altr false na duration Sales to OEMs as a Percentage of Net Sales. false false false false false false false false false false false totallabel false 1 false true false false 0.16 0.16 false false false 2 false true false false 0.23 0.23 false false false 3 false true false false 0.15 0.15 false false false 4 false true false false 0.22 0.22 false false false 5 false false false false 0 0 false false false us-types:percentItemType pure Sales to OEMs as a Percentage of Net Sales. No authoritative reference available. true 10 Net sales 2 altr_SalesRevenueNetPercentageOfNetSales altr false na duration Sales revenue net percentage of net sales. false false false false false false false false false false false totallabel false 1 false true false false 1 1 false false false 2 false true false false 1 1 false false false 3 false true false false 1 1 false false false 4 false true false false 1 1 false false false 5 false false false false 0 0 false false false us-types:percentItemType pure Sales revenue net percentage of net sales. No authoritative reference available. true 12 Arrow Electronics, Inc. 0 na true na na No definition available. false true false false false false false false false false false http://altera.com/role/accountsreceivablenetandsignificantcustomersdetails false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false false 6 true false false false Arrow Electronics, Inc. us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesDistributorsOneMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 7 true false false false Arrow Electronics, Inc. us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesDistributorsOneMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 8 true false false false Arrow Electronics, Inc. us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesDistributorsOneMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 9 true false false false Arrow Electronics, Inc. us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesDistributorsOneMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 10 true false false false Arrow Electronics, Inc. us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesDistributorsOneMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 na No definition available. No authoritative reference available. false 18 Net sales by customer type and net sales to significant customers 2 altr_NetSalesByCustomerTypeAndNetSalesToSignificantCustomersAbstract altr false na duration Net Sales By Customer Type And Net Sales To Significant Customers Abstract. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:stringItemType string Net Sales By Customer Type And Net Sales To Significant Customers Abstract. false 19 Sales to distributors 2 altr_SalesToDistributorsAsPercentageOfNetSales altr false na duration Sales To Distributors as a Percentage of Net Sales. false false false false false false false false false false false verboselabel false 1 false true false false 0.48 0.48 [1] false false false 2 false true false false 0.42 0.42 [1] false false false 3 false true false false 0.48 0.48 [1] false false false 4 false true false false 0.42 0.42 [1] false false false 5 false false false false 0 0 false false false us-types:percentItemType pure Sales To Distributors as a Percentage of Net Sales. No authoritative reference available. false 22 Accounts receivable from distributors as a percentage of total accounts receivables 2 altr_AccountsReceivableFromDistributorsAsPercentageOfTotalAccountsReceivables altr false na instant Accounts Receivable From Distributors As A Percentage Of Total Accounts Receivables. false false false false false false false false false false false label false 1 false true false false 0.37 0.37 false false false 2 false false false false 0 0 false false false 3 false true false false 0.37 0.37 false false false 4 false false false false 0 0 false false false 5 false true false false 0.36 0.36 false false false us-types:percentItemType pure Accounts Receivable From Distributors As A Percentage Of Total Accounts Receivables. No authoritative reference available. false 23 Macnica, Inc. 0 na true na na No definition available. false true false false false false false false false false false http://altera.com/role/accountsreceivablenetandsignificantcustomersdetails false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false false 11 true false false false Macnica, Inc. us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesDistributorsTwoMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 12 true false false false Macnica, Inc. us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesDistributorsTwoMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 13 true false false false Macnica, Inc. us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesDistributorsTwoMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 14 true false false false Macnica, Inc. us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesDistributorsTwoMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 15 true false false false Macnica, Inc. us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesDistributorsTwoMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 na No definition available. No authoritative reference available. false 29 Net sales by customer type and net sales to significant customers 2 altr_NetSalesByCustomerTypeAndNetSalesToSignificantCustomersAbstract altr false na duration Net Sales By Customer Type And Net Sales To Significant Customers Abstract. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:stringItemType string Net Sales By Customer Type And Net Sales To Significant Customers Abstract. false 30 Sales to distributors 2 altr_SalesToDistributorsAsPercentageOfNetSales altr false na duration Sales To Distributors as a Percentage of Net Sales. false false false false false false false false false false false verboselabel false 1 false true false false 0.2 0.2 [1] false false false 2 false true false false 0.13 0.13 [1] false false false 3 false true false false 0.19 0.19 [1] false false false 4 false true false false 0.13 0.13 [1] false false false 5 false false false false 0 0 false false false us-types:percentItemType pure Sales To Distributors as a Percentage of Net Sales. No authoritative reference available. false 33 Accounts receivable from distributors as a percentage of total accounts receivables 2 altr_AccountsReceivableFromDistributorsAsPercentageOfTotalAccountsReceivables altr false na instant Accounts Receivable From Distributors As A Percentage Of Total Accounts Receivables. false false false false false false false false false false false label false 1 false true false false 0.38 0.38 false false false 2 false false false false 0 0 false false false 3 false true false false 0.38 0.38 false false false 4 false false false false 0 0 false false false 5 false true false false 0.21 0.21 false false false us-types:percentItemType pure Accounts Receivable From Distributors As A Percentage Of Total Accounts Receivables. No authoritative reference available. false 34 Other Distributors 0 na true na na No definition available. false true false false false false false false false false false http://altera.com/role/accountsreceivablenetandsignificantcustomersdetails false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false false 16 true false false false Other Distributors us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesDistributorsOtherMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 17 true false false false Other Distributors us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesDistributorsOtherMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 18 true false false false Other Distributors us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesDistributorsOtherMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 19 true false false false Other Distributors us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesDistributorsOtherMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 20 true false false false Other Distributors us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesDistributorsOtherMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 na No definition available. No authoritative reference available. false 40 Net sales by customer type and net sales to significant customers 2 altr_NetSalesByCustomerTypeAndNetSalesToSignificantCustomersAbstract altr false na duration Net Sales By Customer Type And Net Sales To Significant Customers Abstract. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:stringItemType string Net Sales By Customer Type And Net Sales To Significant Customers Abstract. false 41 Sales to distributors 2 altr_SalesToDistributorsAsPercentageOfNetSales altr false na duration Sales To Distributors as a Percentage of Net Sales. false false false false false false false false false false false verboselabel false 1 false true false false 0.1 0.1 false false false 2 false true false false 0.1 0.1 false false false 3 false true false false 0.1 0.1 false false false 4 false true false false 0.1 0.1 false false false 5 false false false false 0 0 false false false us-types:percentItemType pure Sales To Distributors as a Percentage of Net Sales. No authoritative reference available. false 44 Accounts receivable from distributors as a percentage of total accounts receivables 2 altr_AccountsReceivableFromDistributorsAsPercentageOfTotalAccountsReceivables altr false na instant Accounts Receivable From Distributors As A Percentage Of Total Accounts Receivables. false false false false false false false false false false false label false 1 false true false false 0.1 0.1 false false false 2 false false false false 0 0 false false false 3 false true false false 0.1 0.1 false false false 4 false false false false 0 0 false false false 5 false true false false 0.1 0.1 false false false us-types:percentItemType pure Accounts Receivable From Distributors As A Percentage Of Total Accounts Receivables. No authoritative reference available. false 45 Huawei Technologies Co., Ltd. 0 na true na na No definition available. false true false false false false false false false false false http://altera.com/role/accountsreceivablenetandsignificantcustomersdetails false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false false 21 true false false false Huawei Technologies Co., Ltd. us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesOemsOneMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 22 true false false false Huawei Technologies Co., Ltd. us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesOemsOneMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 na No definition available. No authoritative reference available. false 51 Net sales by customer type and net sales to significant customers 2 altr_NetSalesByCustomerTypeAndNetSalesToSignificantCustomersAbstract altr false na duration Net Sales By Customer Type And Net Sales To Significant Customers Abstract. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:stringItemType string Net Sales By Customer Type And Net Sales To Significant Customers Abstract. false 53 Sales to OEMs 2 altr_SalesToOemsAsPercentageOfNetSales altr false na duration Sales to OEMs as a Percentage of Net Sales. false false false false false false false false false false false totallabel false 1 false false false false 0 0 false false false 2 false true false false 0.12 0.12 false false false 3 false false false false 0 0 false false false 4 false true false false 0.13 0.13 false false false 5 false false false false 0 0 false false false us-types:percentItemType pure Sales to OEMs as a Percentage of Net Sales. No authoritative reference available. true 56 Other OEMs 0 na true na na No definition available. false true false false false false false false false false false http://altera.com/role/accountsreceivablenetandsignificantcustomersdetails false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false false 23 true false false false Other OEMs us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesOemsOtherMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 24 true false false false Other OEMs us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesOemsOtherMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 25 true false false false Other OEMs us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesOemsOtherMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 26 true false false false Other OEMs us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesOemsOtherMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 na No definition available. No authoritative reference available. false 62 Net sales by customer type and net sales to significant customers 2 altr_NetSalesByCustomerTypeAndNetSalesToSignificantCustomersAbstract altr false na duration Net Sales By Customer Type And Net Sales To Significant Customers Abstract. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:stringItemType string Net Sales By Customer Type And Net Sales To Significant Customers Abstract. false 64 Sales to OEMs 2 altr_SalesToOemsAsPercentageOfNetSales altr false na duration Sales to OEMs as a Percentage of Net Sales. false false false false false false false false false false false totallabel false 1 false true false false 0.1 0.1 false false false 2 false true false false 0.1 0.1 false false false 3 false true false false 0.1 0.1 false false false 4 false true false false 0.1 0.1 false false false 5 false false false false 0 0 false false false us-types:percentItemType pure Sales to OEMs as a Percentage of Net Sales. No authoritative reference available. true 67 Avnet, Inc. 0 na true na na No definition available. false true false false false false false false false false false http://altera.com/role/accountsreceivablenetandsignificantcustomersdetails false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false false 27 true false false false Avnet, Inc. us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesDistributorsThreeMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 false 28 true false false false Avnet, Inc. us-gaap_RelatedPartyTransactionsByRelatedPartyAxis xbrldi http://xbrl.org/2006/xbrldi altr_SalesDistributorsThreeMember us-gaap_RelatedPartyTransactionsByRelatedPartyAxis explicitMember Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 na No definition available. No authoritative reference available. false 73 Net sales by customer type and net sales to significant customers 2 altr_NetSalesByCustomerTypeAndNetSalesToSignificantCustomersAbstract altr false na duration Net Sales By Customer Type And Net Sales To Significant Customers Abstract. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:stringItemType string Net Sales By Customer Type And Net Sales To Significant Customers Abstract. false 77 Accounts receivable from distributors as a percentage of total accounts receivables 2 altr_AccountsReceivableFromDistributorsAsPercentageOfTotalAccountsReceivables altr false na instant Accounts Receivable From Distributors As A Percentage Of Total Accounts Receivables. false false false false false false false false false false false label false 1 false true false false 0.11 0.11 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false true false false 0.14 0.14 false false false us-types:percentItemType pure Accounts Receivable From Distributors As A Percentage Of Total Accounts Receivables. No authoritative reference available. false 1 Except as presented above, no other distributor accounted for greater than 10% of our net sales for the three or six months ended July 2, 2010 and June 26, 2009. 5 30 false Thousands UnKnown UnKnown false true