XML 65 R53.htm IDEA: XBRL DOCUMENT v3.8.0.1

Restructuring and Acquisition Related Expenses - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Restructuring Cost and Reserve
Restructuring and acquisition related expenses	$ 4,054	$ 2,928
Acquisition related expenses
Restructuring Cost and Reserve
Restructuring and acquisition related expenses	2,000	3,000
Restructuring expenses
Restructuring Cost and Reserve
Restructuring and acquisition related expenses	2,000	1,000
Expected future restructuring expenses	15,000
Andrew Page | Acquisition related expenses
Restructuring Cost and Reserve
Restructuring and acquisition related expenses		1,000
Stahlgruber | Acquisition related expenses
Restructuring Cost and Reserve
Restructuring and acquisition related expenses	$ 1,000
Stahlgruber | All Q1 2017 acquisitions excluding Andrew Page [Member]
Restructuring Cost and Reserve
Restructuring and acquisition related expenses		$ 2,000

X

- 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

Name:	lkq_RestructuringChargesAndBusinessCombinationAcquisitionRelatedCosts
Namespace Prefix:	lkq_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- 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

Name:	us-gaap_EffectOnFutureEarningsAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_RestructuringCostAndReserveLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=lkq_AcquisitionRelatedExpensesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=lkq_RestructuringExpensesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=lkq_AndrewPageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=lkq_StahlgruberMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RestructuringCostAndReserveAxis=lkq_AllQ12017acquisitionsexcludingAndrewPageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: