|
Document and Entity Information
|
12 Months Ended |
|---|---|
|
Dec. 31, 2011
|
|
| Document and Entity Information [Abstract] | |
| Entity Registrant Name | SONIC AUTOMOTIVE INC |
| Entity Central Index Key | 0001043509 |
| Document Type | 8-K |
| Document Period End Date | Dec. 31, 2011 |
| Amendment Flag | false |
| X | ||||||||||
|
- Definition
If the value is true, then the document as an amendment to previously-filed/accepted document. No definition available.
|
| X | ||||||||||
|
- Definition
The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD. No definition available.
|
| X | ||||||||||
|
- Definition
The type of document being provided (such as 10-K, 10-Q, N-1A, etc). The document type is limited to the same value as the supporting SEC submission type, minus any "/A" suffix. 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, 497, NCSR, N-CSR, N-CSRS, N-Q, 10-KT, 10-QT, 20-FT, POS AM and Other. No definition available.
|
| X | ||||||||||
|
- Definition
A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|