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v2.4.1.9

Long-Term Debt - Redemption Price, Percentage (Detail) | 12 Months Ended
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Dec. 31, 2014
7.0% Senior Subordinated Notes Due 2022 [Member] | Beginning on July 15, 2017 [Member] |
Debt Instrument Redemption [Line Items] |
Redemption Price | 103.50%us-gaap_DebtInstrumentRedemptionPricePercentage / us-gaap_DebtInstrumentRedemptionPeriodAxis = sah_DebtRedemptionPeriodOneMember / us-gaap_LongtermDebtTypeAxis = sah_SevenPercentSeniorSubordinateNoteDueTwoThousandTwentyTwoMember
7.0% Senior Subordinated Notes Due 2022 [Member] | Beginning on July 15, 2018 [Member] |
Debt Instrument Redemption [Line Items] |
Redemption Price | 102.333%us-gaap_DebtInstrumentRedemptionPricePercentage / us-gaap_DebtInstrumentRedemptionPeriodAxis = sah_DebtRedemptionPeriodTwoMember / us-gaap_LongtermDebtTypeAxis = sah_SevenPercentSeniorSubordinateNoteDueTwoThousandTwentyTwoMember
7.0% Senior Subordinated Notes Due 2022 [Member] | Beginning on July 15, 2019 [Member] |
Debt Instrument Redemption [Line Items] |
Redemption Price | 101.167%us-gaap_DebtInstrumentRedemptionPricePercentage / us-gaap_DebtInstrumentRedemptionPeriodAxis = sah_DebtRedemptionPeriodThreeMember / us-gaap_LongtermDebtTypeAxis = sah_SevenPercentSeniorSubordinateNoteDueTwoThousandTwentyTwoMember
7.0% Senior Subordinated Notes Due 2022 [Member] | Beginning on July 15, 2020 and Thereafter [Member] |
Debt Instrument Redemption [Line Items] |
Redemption Price | 100.00%us-gaap_DebtInstrumentRedemptionPricePercentage / us-gaap_DebtInstrumentRedemptionPeriodAxis = sah_DebtRedemptionPeriodFourAndThereafterMember / us-gaap_LongtermDebtTypeAxis = sah_SevenPercentSeniorSubordinateNoteDueTwoThousandTwentyTwoMember
5.0% Senior Subordinated Notes due 2023 [Member] | Beginning on May 15, 2018 [Member] |
Debt Instrument Redemption [Line Items] |
Redemption Price | 102.50%us-gaap_DebtInstrumentRedemptionPricePercentage / us-gaap_DebtInstrumentRedemptionPeriodAxis = us-gaap_DebtInstrumentRedemptionPeriodOneMember / us-gaap_LongtermDebtTypeAxis = sah_FivePercentSeniorSubordinateNoteDueTwoThousandTwentyThreeMember
5.0% Senior Subordinated Notes due 2023 [Member] | Beginning on May 15, 2019 [Member] |
Debt Instrument Redemption [Line Items] |
Redemption Price | 101.667%us-gaap_DebtInstrumentRedemptionPricePercentage / us-gaap_DebtInstrumentRedemptionPeriodAxis = us-gaap_DebtInstrumentRedemptionPeriodTwoMember / us-gaap_LongtermDebtTypeAxis = sah_FivePercentSeniorSubordinateNoteDueTwoThousandTwentyThreeMember
5.0% Senior Subordinated Notes due 2023 [Member] | Beginning on May 15, 2020 [Member] |
Debt Instrument Redemption [Line Items] |
Redemption Price | 100.833%us-gaap_DebtInstrumentRedemptionPricePercentage / us-gaap_DebtInstrumentRedemptionPeriodAxis = us-gaap_DebtInstrumentRedemptionPeriodThreeMember / us-gaap_LongtermDebtTypeAxis = sah_FivePercentSeniorSubordinateNoteDueTwoThousandTwentyThreeMember
5.0% Senior Subordinated Notes due 2023 [Member] | Beginning on May 15, 2021 and Thereafter [Member] |
Debt Instrument Redemption [Line Items] |
Redemption Price | 100.00%us-gaap_DebtInstrumentRedemptionPricePercentage / us-gaap_DebtInstrumentRedemptionPeriodAxis = sah_DebtInstrumentRedemptionPeriodFourAndThereafterMember / us-gaap_LongtermDebtTypeAxis = sah_FivePercentSeniorSubordinateNoteDueTwoThousandTwentyThreeMember

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- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 + Details
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