XML 28 R34.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Business Acquisitions and Dispositions - Summary of Consolidated Pro Forma Results of Future Operations (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Business Combinations [Abstract] |  |  |  |
Total revenues | $ 2,262,592 | $ 2,167,067 | $ 6,630,372 | $ 6,293,525
Gross profit | 329,674 | 311,209 | 979,621 | 940,190
Income from continuing operations before taxes | 39,261 | 20,575 | 89,194 | 96,571
Net income | $ 24,864 | $ 12,630 | $ 55,323 | $ 62,972
Earnings per share from continuing operations | $ 0.47 | $ 0.22 | $ 1.04 | $ 1.07

X
- Definition Business acquisition pro forma earnings per share basic and diluted from continuing operation. + References No definition available. + Details
Name: | sah_BusinessAcquisitionProFormaEarningsPerShareBasicAndDilutedFromContinuingOperation
Namespace Prefix: | sah_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Business acquisitions pro forma gross profit. + References No definition available. + Details
Name: | sah_BusinessAcquisitionsProFormaGrossProfit
Namespace Prefix: | sah_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Business acquisitions pro forma income loss from continuing operations before tax. + References No definition available. + Details
Name: | sah_BusinessAcquisitionsProFormaIncomeLossFromContinuingOperationsBeforeTax
Namespace Prefix: | sah_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a 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)(2)-(3) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the 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)(2)-(3) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessAcquisitionsProFormaRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessCombinationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration