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Restructuring and Acquisition Related Expenses - Additional Information (Details) (USD $) | 3 Months Ended
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Mar. 31, 2015 | Mar. 31, 2014
Restructuring Cost and Reserve |  |
Restructuring and acquisition related expenses | $ 6,488,000 lkq_RestructuringChargesAndBusinessCombinationAcquisitionRelatedCosts | $ 3,321,000 lkq_RestructuringChargesAndBusinessCombinationAcquisitionRelatedCosts
Acquisition-related expenses |  |
Restructuring Cost and Reserve |  |
Restructuring and acquisition related expenses | 500,000 lkq_RestructuringChargesAndBusinessCombinationAcquisitionRelatedCosts / us-gaap_RestructuringCostAndReserveAxis = lkq_AcquisitionRelatedExpensesMember | 200,000 lkq_RestructuringChargesAndBusinessCombinationAcquisitionRelatedCosts / us-gaap_RestructuringCostAndReserveAxis = lkq_AcquisitionRelatedExpensesMember
Restructuring expenses |  |
Restructuring Cost and Reserve |  |
Restructuring and acquisition related expenses | 6,000,000 lkq_RestructuringChargesAndBusinessCombinationAcquisitionRelatedCosts / us-gaap_RestructuringCostAndReserveAxis = lkq_RestructuringExpensesMember | 3,100,000 lkq_RestructuringChargesAndBusinessCombinationAcquisitionRelatedCosts / us-gaap_RestructuringCostAndReserveAxis = lkq_RestructuringExpensesMember
Restructuring expenses | Maximum |  |
Restructuring Cost and Reserve |  |
Expected additional charges | $ (5,000,000)us-gaap_EffectOnFutureEarningsAmount / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_RestructuringCostAndReserveAxis = lkq_RestructuringExpensesMember |

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- Definition Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations. Additionally, this element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References No definition available. + Details
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- Definition The quantified amount of the future effect on earnings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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- Details
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- Details
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