Name:	lkq_ChangeInIncrementsInApplicableMargin
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Data Type:	num:percentItemType
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The increment amount by which the applicable commitment fee will increase/decrease depending on the total leverage ratio.

No definition available.

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The rate used to calculate the fronting fee, which is paid on a quarterly basis, for any letters of credit issued under the credit agreement.

No definition available.

Name:	lkq_CommissionOnOutstandingLettersOfCreditAtApplicableRate
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Credit Agreement, Extension Period of Maturity Date

No definition available.

Name:	lkq_CreditAgreementExtensionPeriodofMaturityDate
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Data Type:	xbrli:durationItemType
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Period Type:	duration

Total outstanding balance for the credit facility borrowings, including term loan borrowings and line of credit borrowings as of the balance sheet date.

No definition available.

Name:	lkq_CreditFacilityBorrowings
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The maximum amount by which the capacity of the revolving credit facility or term loan can be increased.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Maximum balance that can be borrowed under the credit agreement, including term loan borrowings and revolving credit facility borrowings.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

The maximum leverage ratio permitted for additional borrowings under the credit agreement.

No definition available.

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Data Type:	xbrli:decimalItemType
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Maximum net leverage ratio allowed under the restrictive covenants of the credit agreement when the aggregate consideration of permitted acquisitions is below the specified levels.

No definition available.

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Maximum net leverage ratio allowed under the restrictive covenants of the credit agreement when the aggregate consideration of permitted acquisitions is above the specified levels during any period of four consecutive fiscal quarters.

No definition available.

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Minimum interest coverage ratio allowed under the restrictive covenants of the credit agreement.

No definition available.

Name:	lkq_MinimumInterestCoverageRatio
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Period Type:	instant

The contract length of the Receivables Securitization facility.

No definition available.

Name:	lkq_ReceivablesSecuritizationFacilityTermPeriod
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Period Type:	duration

The margin above LIBOR for the Receivables Securitization Facility.

No definition available.

Name:	lkq_Receivablessecuritizationlibormargin
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Data Type:	num:percentItemType
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Period Type:	instant

The maximum borrowing capacity under the Receivables Securitization facility.

No definition available.

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Minimum fair value, as of the acquisition date, of the aggregate consideration for acquisitions during the prior four consecutive quarters that will allow for the increase in the maximum net leverage ratio within the restrictive covenants of the credit agreement.

No definition available.

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Secured Debt, Prepayment Requirement, Duration to Reinvest Proceeds from Sale or Disposition of Certain Assets

No definition available.

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The percentage of the initial term loan borrowings that are required to be repaid on a quarterly basis through the maturity of the credit agreement.

No definition available.

Name:	lkq_TermLoanQuarterlyRepaymentPercentageofInitialBalance
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Data Type:	num:percentItemType
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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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-Subparagraph (SX 210.9-03.13,16)

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Face (par) amount of debt instrument at time of issuance.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

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Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

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- Details

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Weighted average interest rate of debt outstanding.

No definition available.

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Net amount of long-term deferred finance costs capitalized at the end of the reporting period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

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-Paragraph 1

-Subparagraph (SX 210.5-02.17)

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-Number 210

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 230

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

No definition available.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Subparagraph (SX 210.5-02.19(b),22(b))

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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The carrying amount, as of the date of the latest financial statement presented, of finance receivables which are owned but transferred to serve as collateral for the payment of the related debt obligation, primarily a secured borrowing or repurchase agreement, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Carrying value as of the balance sheet date of the portion of long-term, collateralized debt obligations due within one year or the operating cycle, if longer. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.20)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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-Article 5

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Carrying amount of liabilities associated with financial assets accounted for as secured borrowings recognized in the transferor's statement of financial position at the end of each period presented.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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