v2.4.0.8

Business Business - Additional Information (Details)	12 Months Ended
	Dec. 31, 2012
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of facilities (more than 500)	500
Stock split conversion ratio	2

X

- Definition

The number of facilities (rounded) operated by the company.

+ References

No definition available.

+ Details

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Namespace Prefix:	lkq_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Details

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X

- Definition

This item represents the conversion ratio used in the calculation of a stock split.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Stock Split

-URI http://asc.fasb.org/extlink&oid=6525746



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 4

-Subparagraph (SAB TOPIC 4.C)

-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187143-122770

+ Details

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