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false false 6 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 4 Pro forma net sales 2 us-gaap_BusinessAcquisitionProFormaRevenue us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 true true false false 3973000000 3973 false false false 2 true true false false 4026000000 4026 false false false 3 true true false false 7661000000 7661 false false false 4 true true false false 7768000000 7768 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false xbrli:monetaryItemType monetary The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph r(2, 3) 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had been completed at the beginning of a period Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph r(2, 3) Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 54 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 55 false 6 Pro forma diluted EPS 2 us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted us-gaap true na duration No definition available. false false false false false false false false false false false verboselabel true 1 true true false false 1.96 1.96 false false false 2 true true false false 1.98 1.98 false false false 3 true true false false 3.84 3.84 false false false 4 true true false false 3.69 3.69 false false false 5 false false false false 0 0 false false false 6 false false false false 0 0 false false false us-types:perShareItemType decimal The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph r(2, 3) Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 54 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 55 false 7 Acquisitions (Textuals) [Abstract] 1 lll_BusinessAcquisitionsTextualsAbstract lll false na duration Business Acquisitions Textuals. 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 6 false false false false 0 0 false false false xbrli:stringItemType string Business Acquisitions Textuals. false 8 Purchase price of acquisition of Insight Technology Incorporated 2 us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice us-gaap true debit instant No definition available. false false false false false false 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 true false false 613000000 613 false false false 6 false false false false 0 0 false false false xbrli:monetaryItemType monetary The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition. 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