v2.3.0.11

Derivative Instruments and Hedging Activities (Terms Of Interest Rate Swap Agreements) (Details) (USD $)	6 Months Ended
	Jun. 30, 2011
Notional amount	$ 350,000,000
Applicable margin per annum in effect under the credit agreement	1.75%
Interest Rate Swap [Member] | 3.31% [Member]
Notional amount	250,000,000
Effective date	October 14, 2010
Maturity date	Oct. 14, 2015
Fixed interest rate	3.31%	[1]
Interest Rate Swap [Member] | 2.86% [Member]
Notional amount	$ 100,000,000
Effective date	April 14, 2011
Maturity date	Oct. 14, 2013
Fixed interest rate	2.86%	[1]
[1] Includes applicable margin of 1.75% per annum on LIBOR-based debt currently in effect under the 2011 Credit Agreement

X

- Definition

The percentage points added to the fixed derivative rate to compute the total effective interest rate on the notional underlying debt.

+ Details

Name:	lkqx_DerivativeBasisSpreadOnFixedRate
Namespace Prefix:	lkqx
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The date on which the interest rate swap became effective.

+ Details

Name:	lkqx_EffectiveDate
Namespace Prefix:	lkqx
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Fixed interest rate related to the interest rate derivative.

+ Details

Name:	us-gaap_DerivativeFixedInterestRate
Namespace Prefix:	us-gaap
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The date the derivative matures.

+ Details

Name:	us-gaap_DerivativeMaturityDates
Namespace Prefix:	us-gaap
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Aggregate notional amount of interest rate derivatives, which relates to the currency amount specified in the interest rate derivative instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Notional Amount
-URI http://asc.fasb.org/extlink&oid=6519104

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5579245-113959

+ Details

Name:	us-gaap_NotionalAmountOfInterestRateDerivatives
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant