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End date of current fiscal year in the format --MM-DD.

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The type of document being provided (such as 10-K, 10-Q, N-1A, etc). The document type should be limited to the same value as the supporting SEC submission type. The acceptable values are as follows: S-1, S-3, S-4, S-11, F-1, F-3, F-4, F-9, F-10, 6-K, 8-K, 10, 10-K, 10-Q, 20-F, 40-F, N-1A, 485BPOS, NCSR, N-Q, and Other.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation 12B
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The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Document and Entity Information (USD $)	6 Months Ended
Document and Entity Information (USD $)	Jun. 30, 2011	Aug. 01, 2011	Jun. 30, 2010
Entity Registrant Name	LAMAR ADVERTISING CO/NEW
Entity Central Index Key	0001090425
Document Type	10-Q
Document Period End Date	Jun. 30, 2011
Amendment Flag	false
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 1,402,344,358
Common Class A
Entity Common Stock, Shares Outstanding		94,858,706
Common Class B
Entity Common Stock, Shares Outstanding		15,122,865
Subsidiaries [Member]
Entity Registrant Name	LAMAR MEDIA CORP/DE
Entity Central Index Key	0000899045
Document Type	10-Q
Document Period End Date	Jun. 30, 2011
Amendment Flag	false
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	Yes
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Entity Public Float			$ 0
Entity Common Stock, Shares Outstanding		100