XML 37 R43.htm IDEA: XBRL DOCUMENT v2.4.0.8

Note 10 - Acquisitions (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Business Combination Disclosure [Text Block]
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual	$ 2.9

X

- Details

Name:	lad_BusinessCombinationDisclosureTextBlockAbstract
Namespace Prefix:	lad_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

+ Details

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